---
product_id: 119676647
title: "Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank"
brand: "crucial"
price: "NT$3452"
currency: TWD
in_stock: true
category: "Crucial"
url: https://www.desertcart.tw/products/119676647-crucial-4gb-ddr4-sdram-memory-module-4-gb-ddr4-sdram
store_origin: TW
region: Taiwan
---

# 2666 MHz blazing speed 4GB DDR4 capacity 1.2V low power efficiency Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank

**Brand:** crucial
**Price:** NT$3452
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your laptop’s brainpower — don’t get left behind!

## Quick Answers

- **What is this?** Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank by crucial
- **How much does it cost?** NT$3452 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/119676647-crucial-4gb-ddr4-sdram-memory-module-4-gb-ddr4-sdram)

## 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

- • **Trusted by Thousands:** Join over 4,200 satisfied users who rate this Crucial module 4.8 stars for performance and reliability.
- • **Energy-Smart Operation:** Runs efficiently at just 1.2 volts, keeping your device cool and battery lasting longer.
- • **Sleek & Lightweight Design:** 260-pin SODIMM form factor fits perfectly in ultra-portable laptops without adding bulk.
- • **Reliable Single Rank Architecture:** Non-ECC, unbuffered memory ensures stable and fast data access for everyday productivity.
- • **Turbocharge Your Laptop Performance:** Experience seamless multitasking with 4GB DDR4 memory at 2666 MT/s speed.

## Overview

The Crucial 4GB DDR4 SDRAM Memory Module delivers a high-speed 2666 MHz data transfer rate with low 1.2V power consumption. Designed as a 260-pin SODIMM, it’s optimized for laptops needing reliable, efficient, and fast memory upgrades. With a solid 4GB capacity and single rank architecture, this module balances performance and energy efficiency, making it a top choice for professionals seeking smooth multitasking and enhanced productivity.

## Description

Specifications Mfr Part Number: CT4G4SFS8266 Type: DDR4 SODIMM capacity: 4GB speed: pc4-21300 2666MHz size & bit: 512M x 64 pins: 260pin ECC: no registered: no single rank x8 CL 19, 1.2V

## Features

- 4GB DDR4 2666 MT/s (PC4-21300) CL19 SR x8 SODIMM 260pin

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HP78DZ5 |
| Additional Features | Lightweight |
| Best Sellers Rank | #272 in Computer Memory |
| Brand | Crucial |
| Column Address Strobe Latency | 17 |
| Compatible Devices | Laptop |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,203) |
| Data Transfer Rate | 42664 megabits_per_second |
| Form Factor | 260 pin_USO-DIMM |
| Global Trade Identification Number | 00649528787286 |
| Item Weight | 8 g |
| Manufacturer | Crucial |
| Memory Form Factor | SODIMM |
| Memory Generation | DDR4 |
| Memory Speed | 2666 MHz |
| Mfr Part Number | CT4G4SFS8266 |
| Model Name | Trident |
| Model Number | CT4G4SFS8266 |
| Number of Pins | 260 |
| RAM Memory Technology | DDR4 |
| RAM Size | 4 GB |
| UPC | 649528787286 064952878728 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | Limited Warranty |

## Product Details

- **Brand:** Crucial
- **Compatible Devices:** Laptop
- **Computer Memory Size:** 4 GB
- **Memory Speed:** 2666 MHz
- **RAM Memory Technology:** DDR4

## Images

![Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank - Image 1](https://m.media-amazon.com/images/I/61FsaYbk3UL.jpg)
![Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank - Image 2](https://m.media-amazon.com/images/I/710w79j715L.jpg)
![Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank - Image 3](https://m.media-amazon.com/images/I/61-737PUDOL.jpg)
![Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank - Image 4](https://m.media-amazon.com/images/I/61phcwp7f7L.jpg)
![Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank - Image 5](https://m.media-amazon.com/images/I/71agpnji7IL.jpg)

## Available Options

This product comes in different **Size** options.

## 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 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank
- Synology 2-Bay DiskStation DS224+ (Diskless)
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**Shop now:** [https://www.desertcart.tw/products/119676647-crucial-4gb-ddr4-sdram-memory-module-4-gb-ddr4-sdram](https://www.desertcart.tw/products/119676647-crucial-4gb-ddr4-sdram-memory-module-4-gb-ddr4-sdram)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-08-11*