---
product_id: 33447115
title: "Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4"
brand: "crucial"
price: "FREE"
currency: TND
in_stock: false
reviews_count: 13
url: https://www.desertcart.tn/products/33447115-crucial-discontinued-mx300-1tb-3d-nand-sata-m-2-2280
store_origin: TN
region: Tunisia
---

# 530 MB/s sequential read speed 1TB storage capacity 90x more energy efficient than HDD Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4

**Brand:** crucial
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Upgrade your workflow with speed and efficiency that your future self will thank you for!

## Quick Answers

- **What is this?** Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4 by crucial
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/33447115-crucial-discontinued-mx300-1tb-3d-nand-sata-m-2-2280)

## Best For

- crucial enthusiasts

## Why This Product

- Trusted crucial brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Massive 1TB Storage:** Store your entire professional toolkit, media library, and critical files without compromise.
- • **Energy-Smart Performance:** Save power and extend your device’s lifespan with an SSD that’s over 90 times more energy efficient than traditional hard drives.
- • **Advanced 3D NAND Technology:** Benefit from Micron’s cutting-edge 3D NAND flash for superior durability and consistent high-speed performance.
- • **Blazing Fast Boot & Load Times:** Experience near-instant system startups and lightning-quick app launches with up to 530 MB/s read speeds.
- • **Effortless Upgrade & Compatibility:** Plug-and-play M.2 SATA form factor ensures seamless installation and broad compatibility with modern laptops and desktops.

## Overview

The Crucial MX300 1TB M.2 SATA SSD delivers up to 530 MB/s sequential read speeds and 510 MB/s writes, powered by Micron’s 3D NAND technology. It offers a massive 1TB capacity with over 90x the energy efficiency of traditional hard drives, making it an ideal upgrade for professionals seeking faster boot times, reliable performance, and lower power consumption in a compact M.2 2280 form factor.

## Description

Increase the speed, durability, and efficiency of your system for years to come with the Crucial MX300 SSD. Boot up in seconds and fly through the most demanding applications with an SSD that fuses the latest 3D NAND flash technology with the proven success of previous mx-series SSDs. Your storage drive isn't just a container, it's the engine that loads and saves everything you do and use. Get more out of your computer by boosting nearly every aspect of performance.

Review: In Today's Upgrade Landscape, It Doesn't Get Any Easier Than This - Okay, the first thing I have to say is that adding this to my computer -- an ASUS ROG GL752VW-DH71 17.3-inch Gaming Laptop (Intel i7 2.6GHz, 16GB DDR4 RAM, 1TB HDD, GTX960M 2GB Graphic Card, Windows 10) -- and having it take over the boot drive responsibilities from the existing hard disc drive (HDD), using the included Acronis software was as easy as easy gets. I have read reviews, blogs, articles, and forum accounts of people who bad-mouthed the included Acronis True Image data migration software. The varying accounts and approaches had me braced for the worst. I searched high and low for any and all information I could find. Forewarned is forearmed, right? I had several tabs at the ready on another laptop, just in case I ran into problems. Some praised other software; some of them found that other software simple to use, while others jumped through all kinds of hoops. My research and preparation took HOURS and HOURS of my time, but, not knowing what to expect, prepared is good, right? What a waste of time it turned out to be to prepare for troubles other people had in doing that which was ridiculously easy for me. I don't know why this was so easy for me, yet so fraught with peril for others, but here's (more or less) how I did it: - Before starting, I assigned a new drive letter ("O", for "optical") to my DVD/CD drive. The computer comes with the HDD set to "C" and the DVD/CD set to "D" -- but I knew I was going to want my new Crucial M.2 SSD to be my new drive "C" and the HDD renamed to "D," so I just got the renaming of the DVD/CD out of the way right off the bat. (Clearing the decks, so to speak.) - This MAY or MAY NOT have had something to do with my ease of setup, but I'm going to share it, just in case: I had been playing with the notion of using BSD or Linux instead of Windows. In order to try out some "live" CDs, I had changed a few BIOS settings: 1) Security menu -> Secure Boot: disabled 2) Boot menu -> Fast Boot disabled 3) Boot menu -> Launch CSM enabled - Two screws (requiring a very small Philips screwdriver) undone, and I was into the laptop case. The Crucial M.2 SSD slid into the connector with little resistance. (Be CAREFUL: if it seems hard, take a closer look and make sure you don't have the card upside down. There are two notches in the card connector end, but only one corresponding positioner in the motherboard connector; it's easy to make the mistake of trying to put it in the wrong way.) Use one of the provided screws (and an even smaller Philips driver) to screw down the other end of the SSD card to the Motherboard standoff. (It will be obvious.) PROPS to Crucial for including the screws! Another popular brand (Samsung) couldn't see fit to package a few cents' worth of screws with their $150 card. (The argument that the computer should have the screw already is without merit. I've been repairing and building computers for thirty years and have almost NEVER found an extra screw in a motherboard or case; the fasteners always come with the components, if at all.) Crucial even threw an extra one into the bag, just in case you lose one (which would be easy; they are very small). Warning: if you DO lose one INSIDE your laptop, you're going to want to find it. Loose metal objects bouncing around working electronics can end in disaster.) * Sorry for the digression, but here's something I did that helped with getting the screw in: BEFORE inserting the Crucial M.2 SSD card, I used a tweezer to hold the screw atop the standoff, then turned the screw in, just about 1½ threads. Then I inserted the card firmly into the slot and lowered the end over the screw. It would not pass the screw head, so I *carefully* loosened the screw just enough for it to tilt a bit, but not allowing it to fall away. The card dropped down; I then carefully stood the screw straight back up, then tightened it down. - Turned on the computer. Opened Windows' Computer Management -> Storage -> Disk (sic) Management. Windows showed the new drive, unformatted, ~488 GB. (Not 525, but get used to it. Manufacturers have been playing fast and loose with capacity claims for some time now. They conveniently use metric standards for marketing purposes, while old sticks in the mud like me understand that a KILObyte, in computers' binary shorthand, means 1,024, NOT 1,000. Then there's overhead for whatever may be preinstalled... Tradition be damned; salesmen point to the difference between a GB and a GiB, while users are left wondering why their new storage devices don't show the same numbers onscreen that the shiny packages show... but I digress.) So, I was pleased as punch to see that Windows recognized the new Crucial M.2 SSD -- and was calling it Disk 0 (as in "zero"). Very promising! (For the uninitiated, we old C programmers, users of the foundation language of modern programming, start counting at "0" -- not "1." Could this be an indication that making this the boot drive was going to be a bit easier?) * At this point, Windows was showing me the option to format the drive, but I DISREGARDED it, choosing to give Acronis the chance to work with a clean slate. Preformatting it might have made the process more complex. (Not knowing how Acronis worked, I couldn't know, but, generally, when formatting any drive, SSD, HDD, or floppy, starting in an unformatted state is less likely to bring out potential bugs in formatting software.) I exited the Windows' Computer Management program. - Following the simple instructions included with the Crucial M.2 SSD, I downloaded the Acronis True Image program, installed it, and entered the activation serial number (plainly printed on the back of the instructions) and e-mail address (yes, but I gave them a special e-mail address I only check if I HAVE TO). I did NOT have to verify the email address, which was nice. - Installing and running Acronis took a few minutes. I chose the "clone drive" option to copy the HDD contents to the SSD. Being a new computer, there was less than 50 GB worth of material to copy. Nonetheless, I like to keep whatever control I can over how my computer is configured, so I didn't simply accept the "trust me" options. I chose to check the settings and I think what I used is what the defaults would have been, anyway. When the cloning was done, I rebooted the computer, and Windows loaded up FAST. Could it be...? I went back into Windows' Comouter Management -> Storage -> Disk Management and, lo and behold, the newly cloned Crucial SSD, still "Disk 0," was now drive "C" and the HDD had been rename to drive "D." All automatically. I did nothing to make that happen. Curious to see what BIOS thought of the new hardware, I Restarted the computer, holding the [Esc] key down until I was presented with a menu of boot options. There, at the top of the list, was the new Windows boot partition on the SSD. In 2nd place was the old Windows boot partition on the HDD. Also on the list were the HDD device and the DVD/CD drive. I chose to enter Setup and look further in the Boot menu screen. There I found confirmation of the boot choices I had just been presented. I quit the BIOS utility and let it boot -- automatically, into Windows, using the new Crucial M.2 SSD, all without my having to do anything to make that happen. I am amazed. Ever since the onset of Plug and Play so many years ago, this was easily the best example of automatic configuration I've experienced. I've timed the boots a few times, now, and I'm getting a login screen in 12 - 13 seconds from a "cold" (non-hibernating) start. After logging in, my desktop appears in 2 - 3 seconds. (If it was in hibernation, the desktop appearance time is immeasurably fast; visually instantaneous.) The performance on the SSD is everything you've already read about -- just incredibly fast. The performance improvement you'll get out of this SSD almost eliminates the lag introduced by code bloat of new software. (Seriously, almost EVERYTHING is measured in tens or hundreds of MBs these days.) Even if you don't have loads of RAM, the swapping to and from an SSD happens so much faster than through a hard drive, even the most sloth-like software works at a good pace. This was a GREAT investment to have an SSD, in general, but the installation of this particular Crucial M.2 SSD and bundled software, in particular, made the upgrade painless. I highly recommend it.
Review: Screaming Fast, easy to set up! - Was slightly disappointed that it only formatted out to about 489G useable, but it's screaming fast. I already have a good 240G SSD already set up as the boot drive. I bought this mainly for the speed in loading games that access the hard drive a lot. I play WoW, GW2, Black Desert, and several Steam games that need to load often from the drive and this one makes them load like lightning! I would recommend it for booting your OS from, but I just didn't want to remap and move the OS when I have that working great. But it is truly fantastic for all that software where loading times are a factor. And in a tiny card that, for my motherboard, actually mounts to the M.2 slot built into mine, and many other new boards. Even if you do not have an existing port, a PCI card to mount one is cheap too! THIS is the future of storage. UPDATE! I have switched this to be my boot C:\ drive and it has been SOOOO FAST! VERY reliable. It has outlasted mechanical hard drives. A year and a half later it is still working well And it has been moved to an ASUS X370-PRIME Motherboard in June, 2017, when I upgraded to a Ryzen 7 1700. Has been my boot drive now for about 9 months and it's a pleasure. I boot in less than a minute, and most fo the time is waiting for the motherboard POST. Actual Windows 10 Pro boot time is about 15 - 20 seconds! Still running some HD heavy load time games too. Warcraft loads in about 10 seconds! Zones load super fast for WoW and GW2. Black Desert Online takes forever on a spinning hard drive, but loads VERY VERY fast on this stick!

## Features

- Sequential reads/writes up to 530 / 510 MB/s on all file types
- Random reads/writes up to 92K / 83K on all file types
- Over 90x more energy efficient than a typical hard drive
- Accelerated by Micron 3D NAND technology
- Dynamic Write acceleration delivers faster saves and file transfers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01L80DH1Y |
| Additional Features | Portable |
| Best Sellers Rank | #4,772 in Internal Solid State Drives |
| Brand | Crucial |
| Built-In Media | MX300 M.2 SSD |
| Cache Memory Installed Size | 275 |
| Compatible Devices | Desktop |
| Connectivity Technology | SATA |
| Customer Package Type | FFP |
| Customer Reviews | 4.6 out of 5 stars 1,849 Reviews |
| Data Transfer Rate | 530 megabytes_per_second |
| Digital Storage Capacity | 1 TB |
| Form Factor | M2 |
| Global Trade Identification Number | 00649528778314, 06953041213837 |
| Hard Disk Description | Solid State Drive |
| Hard Disk Form Factor | 2280 inches |
| Hard Disk Interface | Serial ATA |
| Hard Disk Rotational Speed | 500 |
| Hard-Drive Size | 1 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Hardware Platform | PC & MAC |
| Installation Type | Internal Hard Drive |
| Item Type Name | Crucial MX300 1TB M.2 (2280) Internal Solid State Drive - CT1050MX300SSD4 |
| Item Weight | 9.07 g |
| Manufacturer | CRUCIAL TECHNOLOGY |
| Media Speed | 510 megabytes_per_second |
| Mfr Part Number | CT1050MX300SSD4 |
| Model Name | MX300 |
| Model Number | CT1050MX300SSD4 |
| Number of Items | 1 |
| Read Speed | 530 megabytes_per_second |
| Special Feature | Portable |
| Specific Uses For Product | personal, gaming, business |
| UPC | 771591313182 649528778314 |
| Warranty Description | 3 year limited warranty |

## Product Details

- **Brand:** Crucial
- **Compatible Devices:** Desktop
- **Connectivity Technology:** SATA
- **Digital Storage Capacity:** 1 TB
- **Hard Disk Description:** Solid State Drive
- **Hard Disk Form Factor:** 2280 Inches
- **Hard Disk Interface:** Serial ATA
- **Hard Disk Size:** 1 TB
- **Installation Type:** Internal Hard Drive
- **Special Feature:** Portable

## Images

![Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4 - Image 1](https://m.media-amazon.com/images/I/71zfdzfpBfL.jpg)
![Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4 - Image 2](https://m.media-amazon.com/images/I/61P-6nF8ZQL.jpg)
![Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4 - Image 3](https://m.media-amazon.com/images/I/81uFBZ84HhL.jpg)
![Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4 - Image 4](https://m.media-amazon.com/images/I/814l-WDoGgL.jpg)
![Crucial (Discontinued) MX300 1TB 3D NAND SATA M.2 (2280) Internal SSD - CT1050MX300SSD4 - Image 5](https://m.media-amazon.com/images/I/715m5vFZWfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ In Today's Upgrade Landscape, It Doesn't Get Any Easier Than This
*by B***B on December 26, 2016*

Okay, the first thing I have to say is that adding this to my computer -- an ASUS ROG GL752VW-DH71 17.3-inch Gaming Laptop (Intel i7 2.6GHz, 16GB DDR4 RAM, 1TB HDD, GTX960M 2GB Graphic Card, Windows 10) -- and having it take over the boot drive responsibilities from the existing hard disc drive (HDD), using the included Acronis software was as easy as easy gets. I have read reviews, blogs, articles, and forum accounts of people who bad-mouthed the included Acronis True Image data migration software. The varying accounts and approaches had me braced for the worst. I searched high and low for any and all information I could find. Forewarned is forearmed, right? I had several tabs at the ready on another laptop, just in case I ran into problems. Some praised other software; some of them found that other software simple to use, while others jumped through all kinds of hoops. My research and preparation took HOURS and HOURS of my time, but, not knowing what to expect, prepared is good, right? What a waste of time it turned out to be to prepare for troubles other people had in doing that which was ridiculously easy for me. I don't know why this was so easy for me, yet so fraught with peril for others, but here's (more or less) how I did it: - Before starting, I assigned a new drive letter ("O", for "optical") to my DVD/CD drive. The computer comes with the HDD set to "C" and the DVD/CD set to "D" -- but I knew I was going to want my new Crucial M.2 SSD to be my new drive "C" and the HDD renamed to "D," so I just got the renaming of the DVD/CD out of the way right off the bat. (Clearing the decks, so to speak.) - This MAY or MAY NOT have had something to do with my ease of setup, but I'm going to share it, just in case: I had been playing with the notion of using BSD or Linux instead of Windows. In order to try out some "live" CDs, I had changed a few BIOS settings: 1) Security menu -> Secure Boot: disabled 2) Boot menu -> Fast Boot disabled 3) Boot menu -> Launch CSM enabled - Two screws (requiring a very small Philips screwdriver) undone, and I was into the laptop case. The Crucial M.2 SSD slid into the connector with little resistance. (Be CAREFUL: if it seems hard, take a closer look and make sure you don't have the card upside down. There are two notches in the card connector end, but only one corresponding positioner in the motherboard connector; it's easy to make the mistake of trying to put it in the wrong way.) Use one of the provided screws (and an even smaller Philips driver) to screw down the other end of the SSD card to the Motherboard standoff. (It will be obvious.) PROPS to Crucial for including the screws! Another popular brand (Samsung) couldn't see fit to package a few cents' worth of screws with their $150 card. (The argument that the computer should have the screw already is without merit. I've been repairing and building computers for thirty years and have almost NEVER found an extra screw in a motherboard or case; the fasteners always come with the components, if at all.) Crucial even threw an extra one into the bag, just in case you lose one (which would be easy; they are very small). Warning: if you DO lose one INSIDE your laptop, you're going to want to find it. Loose metal objects bouncing around working electronics can end in disaster.) * Sorry for the digression, but here's something I did that helped with getting the screw in: BEFORE inserting the Crucial M.2 SSD card, I used a tweezer to hold the screw atop the standoff, then turned the screw in, just about 1½ threads. Then I inserted the card firmly into the slot and lowered the end over the screw. It would not pass the screw head, so I *carefully* loosened the screw just enough for it to tilt a bit, but not allowing it to fall away. The card dropped down; I then carefully stood the screw straight back up, then tightened it down. - Turned on the computer. Opened Windows' Computer Management -> Storage -> Disk (sic) Management. Windows showed the new drive, unformatted, ~488 GB. (Not 525, but get used to it. Manufacturers have been playing fast and loose with capacity claims for some time now. They conveniently use metric standards for marketing purposes, while old sticks in the mud like me understand that a KILObyte, in computers' binary shorthand, means 1,024, NOT 1,000. Then there's overhead for whatever may be preinstalled... Tradition be damned; salesmen point to the difference between a GB and a GiB, while users are left wondering why their new storage devices don't show the same numbers onscreen that the shiny packages show... but I digress.) So, I was pleased as punch to see that Windows recognized the new Crucial M.2 SSD -- and was calling it Disk 0 (as in "zero"). Very promising! (For the uninitiated, we old C programmers, users of the foundation language of modern programming, start counting at "0" -- not "1." Could this be an indication that making this the boot drive was going to be a bit easier?) * At this point, Windows was showing me the option to format the drive, but I DISREGARDED it, choosing to give Acronis the chance to work with a clean slate. Preformatting it might have made the process more complex. (Not knowing how Acronis worked, I couldn't know, but, generally, when formatting any drive, SSD, HDD, or floppy, starting in an unformatted state is less likely to bring out potential bugs in formatting software.) I exited the Windows' Computer Management program. - Following the simple instructions included with the Crucial M.2 SSD, I downloaded the Acronis True Image program, installed it, and entered the activation serial number (plainly printed on the back of the instructions) and e-mail address (yes, but I gave them a special e-mail address I only check if I HAVE TO). I did NOT have to verify the email address, which was nice. - Installing and running Acronis took a few minutes. I chose the "clone drive" option to copy the HDD contents to the SSD. Being a new computer, there was less than 50 GB worth of material to copy. Nonetheless, I like to keep whatever control I can over how my computer is configured, so I didn't simply accept the "trust me" options. I chose to check the settings and I think what I used is what the defaults would have been, anyway. When the cloning was done, I rebooted the computer, and Windows loaded up FAST. Could it be...? I went back into Windows' Comouter Management -> Storage -> Disk Management and, lo and behold, the newly cloned Crucial SSD, still "Disk 0," was now drive "C" and the HDD had been rename to drive "D." All automatically. I did nothing to make that happen. Curious to see what BIOS thought of the new hardware, I Restarted the computer, holding the [Esc] key down until I was presented with a menu of boot options. There, at the top of the list, was the new Windows boot partition on the SSD. In 2nd place was the old Windows boot partition on the HDD. Also on the list were the HDD device and the DVD/CD drive. I chose to enter Setup and look further in the Boot menu screen. There I found confirmation of the boot choices I had just been presented. I quit the BIOS utility and let it boot -- automatically, into Windows, using the new Crucial M.2 SSD, all without my having to do anything to make that happen. I am amazed. Ever since the onset of Plug and Play so many years ago, this was easily the best example of automatic configuration I've experienced. I've timed the boots a few times, now, and I'm getting a login screen in 12 - 13 seconds from a "cold" (non-hibernating) start. After logging in, my desktop appears in 2 - 3 seconds. (If it was in hibernation, the desktop appearance time is immeasurably fast; visually instantaneous.) The performance on the SSD is everything you've already read about -- just incredibly fast. The performance improvement you'll get out of this SSD almost eliminates the lag introduced by code bloat of new software. (Seriously, almost EVERYTHING is measured in tens or hundreds of MBs these days.) Even if you don't have loads of RAM, the swapping to and from an SSD happens so much faster than through a hard drive, even the most sloth-like software works at a good pace. This was a GREAT investment to have an SSD, in general, but the installation of this particular Crucial M.2 SSD and bundled software, in particular, made the upgrade painless. I highly recommend it.

### ⭐⭐⭐⭐⭐ Screaming Fast, easy to set up!
*by B***7 on February 7, 2017*

Was slightly disappointed that it only formatted out to about 489G useable, but it's screaming fast. I already have a good 240G SSD already set up as the boot drive. I bought this mainly for the speed in loading games that access the hard drive a lot. I play WoW, GW2, Black Desert, and several Steam games that need to load often from the drive and this one makes them load like lightning! I would recommend it for booting your OS from, but I just didn't want to remap and move the OS when I have that working great. But it is truly fantastic for all that software where loading times are a factor. And in a tiny card that, for my motherboard, actually mounts to the M.2 slot built into mine, and many other new boards. Even if you do not have an existing port, a PCI card to mount one is cheap too! THIS is the future of storage. UPDATE! I have switched this to be my boot C:\ drive and it has been SOOOO FAST! VERY reliable. It has outlasted mechanical hard drives. A year and a half later it is still working well And it has been moved to an ASUS X370-PRIME Motherboard in June, 2017, when I upgraded to a Ryzen 7 1700. Has been my boot drive now for about 9 months and it's a pleasure. I boot in less than a minute, and most fo the time is waiting for the motherboard POST. Actual Windows 10 Pro boot time is about 15 - 20 seconds! Still running some HD heavy load time games too. Warcraft loads in about 10 seconds! Zones load super fast for WoW and GW2. Black Desert Online takes forever on a spinning hard drive, but loads VERY VERY fast on this stick!

### ⭐⭐⭐⭐⭐ good SATA3 performance with write cache
*by O***E on February 22, 2017*

An M.2 SSD with fast read performance, and notably slower writes. The important specs are it's SATA (not NVMe), and it's 22x80mm (there's various lengths of M.2). You'll need a matching M.2 interface. I put two of these drives in a StarTech.com PEX2M2 Adapter , on a PCIe 2.0 board (x16 slot but running at x4 or x1), which worked like a champ. Raw read speed (sequential) per drive was about 460MB/s in this configuration (well below SATA3's theoretical max, but much faster than SATA2 could deliver). Both drives reading at once capped each drive at ~370MB/s. I'm not sure if I was maxing out the card or the PCIe configuration, but the numbers should be better under PCIe 3.x-- Crucial claims a ceiling upwards of 500MB/s. Write speeds were harder to calculate; the drive uses a caching mechanism which greatly speeds up short writes, but the cache fills up in 15-20 seconds, so extended writes then fall back to speeds comparable to older SATA2 drives until the cache flushes out. This design will work very well for bursty writes (think web browser on-disk history) but will feel slow for moving large data. I got ~250MB/s on sequential write while the SSD's cache was working, and 150MB/s when the cache filled up. Note these were raw reads / writes. A filesystem, RAID, or other intermediate layers will add some overhead (in my tests FreeBSD GEOM mirror costs about 4-5% in performance). OS caching will also throw off results, writing through the GEOM mirror was far more variable than my raw writes. On FreeBSD 10.3, this SSD shows up thusly in dmesg: ada0: <Crucial CT275MX300SSD4 M0CR031> ACS-3 ATA SATA 3.x device ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) M.2 aka NGFF are superior to traditional drives for several reasons: * simpler design: no separate power or SATA data cables (and no needing to be sure your data cables are in spec for SATA3) * lower heat dissipation / power draw than 2.5" SSD. * the small size fits in diminutive or non-traditional cases. No casing, brackets, or cables makes for better airflow in large cases. * attaches to PCIe bus, bypassing potential SATA controller bottlenecks. Models like this one still speak SATA so the protocol is still a limit. Possible negatives: * Poor heat dissipation (no heatsink, no metal case to draw off heat) * Still bound by SATA3 performance bottlenecks and overhead * A couple of these can max out PCIe 2.0 lanes, needs PCIe 3.x for max performance With most SSD, as you move to larger capacity (more chips), the price is a little better per GB, and performance should also improve. But the next real performance enhancement moving up from this M.2 would be an NVMe interface. The MX300 offers good performance at a price barely higher than traditional 2.5" SSD, from a trusted US-based brand (Crucial has long been my go-to for DRAM). Recommended for space-saving performance.

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