---
product_id: 143512852
title: "8GB (2x 4GB) 260-Pin SODIMM DDR4 PC4-21300 Memory Module Kit, CL19, Unbuffered, 2666 MT/S, Non-ECC, 1.2V, 512Meg x 64, Single Rank, x8 Based"
brand: "crucial"
price: "592.78 DT"
currency: TND
in_stock: true
category: "Crucial"
url: https://www.desertcart.tn/products/143512852-8gb-2x-4gb-260-pin-sodimm-ddr4-pc4-21300-memory
store_origin: TN
region: Tunisia
---

# 2666 MT/s blazing speed 8GB dual-channel kit 1.2V ultra-low power 8GB (2x 4GB) 260-Pin SODIMM DDR4 PC4-21300 Memory Module Kit, CL19, Unbuffered, 2666 MT/S, Non-ECC, 1.2V, 512Meg x 64, Single Rank, x8 Based

**Brand:** crucial
**Price:** 592.78 DT
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your workflow with speed and efficiency that keeps you ahead!

## Quick Answers

- **What is this?** 8GB (2x 4GB) 260-Pin SODIMM DDR4 PC4-21300 Memory Module Kit, CL19, Unbuffered, 2666 MT/S, Non-ECC, 1.2V, 512Meg x 64, Single Rank, x8 Based by crucial
- **How much does it cost?** 592.78 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/143512852-8gb-2x-4gb-260-pin-sodimm-ddr4-pc4-21300-memory)

## 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

- • **Energy-Smart Efficiency:** Runs at just 1.2V, extending your laptop’s battery life and keeping it cool.
- • **Blazing Fast DDR4 Performance:** 2666 MT/s speed powers through multitasking and demanding apps with ease.
- • **Seamless Laptop Compatibility:** 260-Pin SODIMM form factor fits a wide range of modern laptops and small PCs effortlessly.
- • **Optimized Dual-Channel Capacity:** 8GB (2x4GB) kit ensures smooth, responsive computing for everyday and professional use.
- • **Reliable Stability with Low Latency:** CL19 latency and unbuffered Non-ECC design deliver consistent, error-free performance.

## Overview

The Crucial 8GB (2x4GB) DDR4 PC4-21300 Memory Kit offers a high-performance 2666 MT/s speed with low 1.2V power consumption, designed for laptops and small form factor PCs. Featuring a 260-Pin SODIMM form factor, CL19 latency, and unbuffered Non-ECC reliability, this kit delivers a perfect balance of speed, efficiency, and stability for professional multitasking and everyday computing.

## Description

Are you looking to enhance your laptop's performance with a significant memory upgrade Look no further than our 8GB (2x 4GB) 260-Pin SODIMM DDR4 PC4-21300 Memory Module Kit. Designed for the latest generation of laptops, this kit is engineered to break through the limitations imposed by older DDR3 memory.With each module operating at a speed of 2666 MT/s, you'll experience over 30% faster performance compared to standard DDR3 modules. This speed boost translates into quicker application loading times, smoother multitasking, and an overall more responsive system.Our DDR4 memory kit is not only swift but also energy-efficient. Operating at a low voltage of just 1.2V, it consumes 20% less power than its DDR3 counterparts, contributing to significant energy savings and extended battery life for your mobile workstation. This efficiency doesn't come at the cost of performance; in fact, it's coupled with a reduction in power usage by up to 40%, making it an ideal choice for users who demand both speed and sustainability.The modules in this kit are unbuffered, which typically provides faster performance than registered memory. They are also NON-ECC (Non-parity), meaning they are compatible with most desktop and laptop computers that do not require error-correcting code memory.With a CAS latency of CL19, you can expect reliable performance and quick data transfer with minimal delay. The configuration of 512Meg x 64 signifies a high-density module, allow

## Features

- ENHANCED PERFORMANCE - Experience faster load times and improved multitasking with 2666 MT/s speed, perfect for demanding applications and gaming.
- OPTIMIZED CAPACITY - This 8GB kit (2x4GB) provides ample memory for everyday computing, ensuring smooth operation of multiple programs simultaneously.
- REDUCED POWER CONSUMPTION - Operate more efficiently with a low 1.2V voltage, extending battery life for laptops and reducing overall system heat.
- SEAMLESS COMPATIBILITY - Designed as a 260-Pin SODIMM, this DDR4 PC4-21300 module is compatible with a wide range of laptops and small form factor PCs.
- RELIABLE STABILITY - Benefit from unbuffered, Non-ECC memory with CL19 latency, ensuring data integrity and system stability for uninterrupted use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07J5PDPCC |
| Additional Features | Lightweight |
| Best Sellers Rank | #3,143 in Computer Memory |
| Brand | Crucial |
| Column Address Strobe Latency | 17 |
| Compatible Devices | Laptop |
| Computer Memory Size | 8 GB |
| Customer Reviews | 4.7 out of 5 stars 272 Reviews |
| Data Transfer Rate | 12 Gigabits Per Second |
| Form Factor | SO-DIMM |
| Item Weight | 8 Grams |
| Manufacturer | Crucial |
| Memory Form Factor | SODIMM |
| Memory Generation | DDR4 |
| Memory Speed | 2666 MHz |
| Mfr Part Number | CT2K4G4SFS8266 |
| Model Name | CT2K8G4SFRA266 |
| Model Number | CT2K4G4SFS8266 |
| Number of Pins | 260 |
| RAM Memory Technology | DDR4 |
| RAM Size | 8 GB |
| Special Feature | Lightweight |
| UPC | 649528787415 |
| Unit Count | 1.0 Count |
| Voltage | 220 |

## Product Details

- **Brand:** Crucial
- **Compatible Devices:** Laptop
- **Computer Memory Size:** 8 GB
- **Memory Speed:** 2666 MHz
- **RAM Memory Technology:** DDR4

## Images

![8GB (2x 4GB) 260-Pin SODIMM DDR4 PC4-21300 Memory Module Kit, CL19, Unbuffered, 2666 MT/S, Non-ECC, 1.2V, 512Meg x 64, Single Rank, x8 Based - Image 1](https://m.media-amazon.com/images/I/61q1ch0o2+L.jpg)

## Questions & Answers

**Q: T4g4sfs8266 compatible with synology ds220+?**
A: Thank you for your inquiry. 
 
We see that we do not have guaranteed compatible memory available for Synology DS220+. There are a lot of considerations when choosing the correct memory for your system, including memory type, speeds, densities, and more. We request you to refer owners manual of your system and ensure motherboard specifications are matching with CT4G4SFS8266 memory.

Regards.

**Q: is this compatable with asus q524u**
A: we would like to inform you that the RAM CT4G4SFS8266 is compatible with q524uq, q524uqk.

**Q: Es un set de 2x4gb de memoria ram?el titulo lo hace difuso**
A: Hola Sergio,

Gracias por su pregunta, Sí, es el kit de 8G con 2X4Gb de RAM. hay dos modules de 4GB.

**Q: Is this compatible  with a toshiba satellite L455D-S5976?**
A: Thank you for choosing Crucial . We find  CT4G4SFS8266 is not compatible with Toshiba Satellite L455D-S5976

## Frequently Bought Together

- Crucial 8GB (2X 4GB) 260-Pin SODIMM DDR4 PC4-21300 Memory Module Kit, CL19, Unbuffered, 2666 MT/S, Non-ECC, 1.2V, 512Meg x 64, Single Rank, x8 Based
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**Shop now:** [https://www.desertcart.tn/products/143512852-8gb-2x-4gb-260-pin-sodimm-ddr4-pc4-21300-memory](https://www.desertcart.tn/products/143512852-8gb-2x-4gb-260-pin-sodimm-ddr4-pc4-21300-memory)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-27*