---
product_id: 202029610
title: "512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black"
brand: "sandisk"
price: "397.31 DT"
currency: TND
in_stock: true
reviews_count: 10
url: https://www.desertcart.tn/products/202029610-512gb-ultra-fit-usb-3-2-flash-drive-sdcz430-512g
store_origin: TN
region: Tunisia
---

# 130MB/s read speed 512GB storage capacity 128-bit AES encryption 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black

**Brand:** sandisk
**Price:** 397.31 DT
**Availability:** ✅ In Stock

## Summary

> 💼 Ultra-compact power storage that keeps you ahead of the curve

## Quick Answers

- **What is this?** 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black by sandisk
- **How much does it cost?** 397.31 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/202029610-512gb-ultra-fit-usb-3-2-flash-drive-sdcz430-512g)

## Best For

- sandisk enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable, reliable performance backed by a 5-year limited warranty for peace of mind
- • **Secure Your Data:** Keep private files locked down with SanDisk SecureAccess software and 128-bit AES encryption 🔒
- • **Blazing Fast Transfers:** Move full-length movies in under 30 seconds with USB 3.2 speeds up to 130MB/s ⚡
- • **Plug-and-Stay Convenience:** Streamlined form factor fits flush in laptops, consoles, and car stereos for hassle-free use
- • **Massive Storage, Mini Size:** 512GB capacity in a sleek, ultra-compact design that stays plugged in unnoticed 💾

## Overview

The SanDisk 512GB Ultra Fit USB 3.2 Flash Drive offers lightning-fast read speeds up to 130MB/s and write speeds 15X faster than USB 2.0, all packed into a tiny, plug-and-stay design. Perfect for professionals on the go, it provides ample storage for large files, secure password-protected encryption, and a durable build backed by a 5-year warranty.

## Description

The simple way to add extra, high-speed storage to your device! The SanDisk Ultra Fit USB 3.1 Flash Drive delivers performance that allows you to move a full-length movie up to 15x faster than with standard USB 2.0 drives.(1) Plus, thanks to its compact, streamlined design, you can plug it in and leave it in. | *1GB=1,000,000,000 bytes. Actual user storage less | (1)Write to drive up to 15X faster than standard USB 2.0 drives (4MB/s); up to 130MB/s read speed. USB 3.1 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes | (2)Based on 1.2GB MPEG-4 video transfer with USB 3.1 Gen 1 or USB 3.0 host device. Results may vary based on host device, file attributes and other factors. | (3)Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10 and macOS v10.9+ (Software download required for Mac, visit the official SanDisk website for SecureAccess details) | (4)Registration required; terms and conditions apply..

Review: Best little file safe I have ever used! - I have had this for several years now, it is still functioning flawlessly, very durable! It does everything I need, and so far, I have not come close to filling it upI use this everyday! This was worth every penny. It is small, so does not get bumped while in the computer, is easy to install and remove, and gives me the security I need and all my important files at my fingertips no matter what computer I am using at the time. Would buy again and again.
Review: A Shockingly Capable Drive in an Almost Invisible Form Factor - The SanDisk 1TB Ultra Fit USB 3.2 Gen 1 is one of those rare storage devices that feels almost unreal in the hand—because it practically isn’t there. The plug‑and‑stay design is barely larger than a fingernail, yet it delivers a full terabyte of storage in a form factor that disappears into a laptop, car stereo, or console without protruding or snagging. Out of the box, the usable capacity lands around 931GB, which is normal for flash storage; manufacturers calculate 1TB as one trillion bytes, while operating systems use binary measurement (1TB = 1,099,511,627,776 bytes), so the “missing” space is simply math, not a defect. Despite its tiny footprint, performance is surprisingly strong. Real‑world read speeds hover near the advertised 400MB/s, especially when transferring large, contiguous files. Write speeds are naturally lower—as expected for compact USB 3.2 Gen 1 drives—but still fast enough for media libraries, game installs, and bulk document transfers without feeling sluggish. Heat stays controlled during sustained writes, and the drive maintains stable throughput without the dramatic throttling common in ultra‑compact USB sticks. If you need massive storage in a device small enough to forget about, this is one of the most efficient, unobtrusive solutions available. It’s a deceptively powerful little workhorse that earns its place in any everyday‑carry tech kit.

## Features

- A compact, plug-and-stay, high-speed USB 3.2 flash drive that’s ideal for adding more storage to laptops, game consoles, in-car audio and more
- Simple, fast way to add up to 512GB of storage to your device [1GB=1,000,000,000 bytes - Actual user storage less]
- Read speeds up to 130MB/s(1) [(1) Write to drive up to 15X faster than standard USB 2.0 drives (4MB/s); USB 3.2 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending on host device; 1MB=1,000,000 bytes]
- Write up to 15X faster than standard USB 2.0 drives(1)
- Move a full-length movie to the drive in less than 30 seconds(2) [(2) Based on 1.2GB MPEG-4 video transfer with USB 3.2 Gen 1 or USB 3.0 host device; Results may vary based on host device, file attributes and other factors]
- Keep private files private with included SanDisk SecureAccess software(3) [(3) Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10 and macOS v10.9 plus (Software download required for Mac, visit the official SanDisk website for SecureAccess details)]
- Five-year limited manufacturer warranty [Visit the official SanDisk website for warranty details]

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B083ZS4HYD |
| Best Sellers Rank | #17 in USB Flash Drives |
| Color | Black |
| Connectivity Technology | USB |
| Customer Reviews | 4.5 4.5 out of 5 stars (78,096) |
| Date First Available | January 29, 2020 |
| Flash Memory Size | 512 |
| Flash Memory Type | USB |
| Global Trade Identification Number | 00619659179328 |
| Hardware Connectivity Technology | USB Type A |
| Hardware Platform | PC, Mac |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 1.17 x 0.56 x 0.2 inches |
| Item Weight | 0.048 ounces |
| Item model number | SDCZ430-512G-G46 |
| Language | English, English, English, English |
| Manufacturer | Western Digital Technologies, Inc. |
| Model Name | Ultra Fit |
| Product Dimensions | 1.17 x 0.56 x 0.2 inches |
| RAM | 512 GB |
| UPC | 619659179328 |

## Product Details

- **Brand:** Sandisk
- **Hardware Interface:** USB 3.1 Type A
- **Memory Storage Capacity:** 512 GB
- **Special Feature:** Compact
- **Write Speed:** 15X

## Images

![512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black - Image 1](https://m.media-amazon.com/images/I/81sXFq6m93L.jpg)

## Questions & Answers

**Q: Does it got heating issue/get as hot as those old metal one?**
A: It gets quite warm when you transfer files to it.  Mine got very hot as I was transferring close to 95% of it's rated capacity...which took 6 hours to do.  After it got so hot, slowing down to a crawl, then stopping for a minute before restarting I did get all my files on it.  But, then it started losing the files.  Lose a file, put it back, lose another, until it eventually lost 25% or so of my files and wouldn't take a transfer of them back without losing as much as I was putting on it.  I DO NOT RECOMMEND it for use for anything close to what they rate it.  You'll lose files and burn your finger if you try.

**Q: Does it fit easily in a usb port (or is it really tight - the shell on the end that inserts into usb looks pretty thick in the photos) ?**
A: My 128gb version was an abnormally tight fit causing the housing that inserts into any device to break. It has always run hotter than full size USB's when after 10 months it eventually failed.

**Q: Does it get hot when you're just playing music off of it? Want to use it in my car's usb port.**
A: I find these drive's get hot only when writing to them, but just get warm when reading from them.

**Q: Es compatible con el módulo de sincronización blink ?**
A: El Sync Module 2 tiene un puerto activo para el almacenamiento local de clips de movimiento en una unidad USB

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best little file safe I have ever used!
*by J***B on December 15, 2025*

I have had this for several years now, it is still functioning flawlessly, very durable! It does everything I need, and so far, I have not come close to filling it upI use this everyday! This was worth every penny. It is small, so does not get bumped while in the computer, is easy to install and remove, and gives me the security I need and all my important files at my fingertips no matter what computer I am using at the time. Would buy again and again.

### ⭐⭐⭐⭐⭐ A Shockingly Capable Drive in an Almost Invisible Form Factor
*by M***8 on January 3, 2026*

The SanDisk 1TB Ultra Fit USB 3.2 Gen 1 is one of those rare storage devices that feels almost unreal in the hand—because it practically isn’t there. The plug‑and‑stay design is barely larger than a fingernail, yet it delivers a full terabyte of storage in a form factor that disappears into a laptop, car stereo, or console without protruding or snagging. Out of the box, the usable capacity lands around 931GB, which is normal for flash storage; manufacturers calculate 1TB as one trillion bytes, while operating systems use binary measurement (1TB = 1,099,511,627,776 bytes), so the “missing” space is simply math, not a defect. Despite its tiny footprint, performance is surprisingly strong. Real‑world read speeds hover near the advertised 400MB/s, especially when transferring large, contiguous files. Write speeds are naturally lower—as expected for compact USB 3.2 Gen 1 drives—but still fast enough for media libraries, game installs, and bulk document transfers without feeling sluggish. Heat stays controlled during sustained writes, and the drive maintains stable throughput without the dramatic throttling common in ultra‑compact USB sticks. If you need massive storage in a device small enough to forget about, this is one of the most efficient, unobtrusive solutions available. It’s a deceptively powerful little workhorse that earns its place in any everyday‑carry tech kit.

### ⭐⭐⭐⭐⭐ Incredibly Tiny, Deceptively Fast - My Go-To Drive for Large Files
*by S***T on June 10, 2025*

I needed a high-capacity flash drive that I could leave plugged into my laptop without it sticking out and risking being snapped off. The SanDisk Ultra Fit is famous for its tiny, low-profile design, and this 512GB model was the perfect "plug-and-forget" solution I was looking for. Real-World Speed & Performance For a drive this small, the performance is impressive. While it's not going to match an external SSD, it's incredibly fast for a flash drive. I regularly use it to move large game installation folders and video files between my desktop PC and my laptop. I was able to transfer a 20GB folder in just a couple of minutes, which is fantastic. For smaller files, it's nearly instant. My Primary Uses & Usability This drive's versatility is its biggest strength. It's become my go-to for a few key tasks: Semi-Permanent Laptop Storage: I leave it plugged into my laptop to carry files I need on the go, effectively expanding its storage without a bulky external drive. PC Building & Maintenance: It's the perfect drive for flashing motherboard BIOS updates on my PC builds. Media Playback: I load it up with movies and TV shows to plug directly into my smart TV's USB port. It handles 4K playback without any issues. A Note on Build and Heat The two most common concerns with this drive are its plastic build and the heat it generates. Yes, the all-plastic construction feels a bit delicate, so I wouldn't recommend putting it on a keychain that gets tossed around a lot. And it does get quite warm during long, sustained file transfers—that's normal for a drive this compact and fast. In my experience, it has never been hot enough to cause concern or impact performance. Final Verdict: The Best Low-Profile Drive Out There If you need a massive amount of storage in the smallest possible package, the SanDisk Ultra Fit is the undisputed champion. It's perfect for expanding laptop storage, for use in car stereos, or for anyone who needs a reliable, high-speed drive that stays out of the way. The convenience and performance it offers are well worth it.

## Frequently Bought Together

- SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black
- SanDisk 512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, Black

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-08*