---
product_id: 59707351
title: "CT8G4SFS8266 8 GB DDR4 2666 MT/s (PC4-21300) CL19 SR x 8 260-Pin Unbuffered SODIMM Memory"
brand: "crucial"
price: "$186.68"
currency: USD
in_stock: true
category: "Crucial"
url: https://www.desertcart.us/products/59707351-ct8g4sfs8266-8-gb-ddr4-2666-mt-s-pc4-21300-cl19
store_origin: US
region: United States of America
---

# 2666 MHz blazing speed 8 GB DDR4 capacity 260-pin SO-DIMM easy install CT8G4SFS8266 8 GB DDR4 2666 MT/s (PC4-21300) CL19 SR x 8 260-Pin Unbuffered SODIMM Memory

**Brand:** crucial
**Price:** $186.68
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your laptop’s brainpower—because speed is the new status.

## Quick Answers

- **What is this?** CT8G4SFS8266 8 GB DDR4 2666 MT/s (PC4-21300) CL19 SR x 8 260-Pin Unbuffered SODIMM Memory by crucial
- **How much does it cost?** $186.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/59707351-ct8g4sfs8266-8-gb-ddr4-2666-mt-s-pc4-21300-cl19)

## 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 Efficient Power:** Runs at a low 1.2V voltage to keep your system cool and battery life longer.
- • **Plug & Play Simplicity:** 260-pin SO-DIMM form factor ensures effortless installation—no tech degree required.
- • **Reliability You Can Trust:** 100% component and module tested with a limited lifetime warranty for peace of mind.
- • **Optimized for OEM Compatibility:** Perfectly matched to your laptop’s specs using Crucial’s compatibility tool—no guesswork.
- • **Turbocharge Your Laptop Performance:** Upgrade to 8GB DDR4 2666 MT/s for seamless multitasking and faster load times.

## Overview

The Crucial CT8G4SFS8266 is an 8GB DDR4 SO-DIMM memory module running at 2666 MHz with CL19 latency, designed for laptops. It features a 260-pin unbuffered form factor, is fully tested for reliability, and backed by a limited lifetime warranty. This upgrade delivers a noticeable boost in system responsiveness and multitasking efficiency, compatible with OEM systems and easy to install.

## Description

Buy

## Features

- Increases laptop performance
- Easy to install
- Compatible with OEM systems
- 100% component and module tested for superior reliability
- Available in DDR to DDR4 memory technology

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071KNKBQ1 |
| Best Sellers Rank | 19,688 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 88 in Computer Memory |
| Box Contents | Product |
| Brand Name | Crucial |
| Column Address Strobe Latency | 19 Nanoseconds |
| Compatible Devices | Laptop |
| Customer Reviews | 4.8 4.8 out of 5 stars (10,811) |
| Data Transfer Rate | 2400 Megabytes Per Second |
| Form Factor | SO-DIMM |
| Global Trade Identification Number | 00649528780065 |
| Item Type Name | Crucial CT8G4SFS8266 8 GB SO-DIMM 260-Pin, 2666 MHz / PC4-21300, CL19, Unbuffered, Non-ECC Memory - Multi-Colour |
| Item Weight | 9 g |
| Manufacturer | Micron |
| Manufacturer Part Number | CT8G4SFS8266 |
| Memory Form Factor | SODIMM |
| Memory Generation | DDR4 |
| Memory Speed | 2666 MHz |
| Model Name | Crucial 8GB (1x8GB) DDR4 SODIMM 2666MHz CL19 Single Stick |
| Model Number | CT8G4SFS8266 |
| Number of Pins | 260 |
| Product Features | Registry Store |
| Product Warranty | Limited lifetime warranty |
| RAM Memory Technology | DDR4 |
| RAM Size | 8 GB |
| UPC | 649528780065 753459243732 |
| Voltage | 1.2 Volts (DC) |

## Product Details

- **Brand:** Crucial
- **Compatible devices:** Laptop
- **Computer memory size:** 8 GB
- **Memory speed:** 2666 MHz
- **RAM memory technology:** DDR4

## Images

![CT8G4SFS8266 8 GB DDR4 2666 MT/s (PC4-21300) CL19 SR x 8 260-Pin Unbuffered SODIMM Memory - Image 1](https://m.media-amazon.com/images/I/71yLCwfhrsL.jpg)

## Available Options

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

## Frequently Bought Together

- Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR X8 SODIMM 260-Pin Memory - CT8G4SFS8266
- ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive
- Crucial P3 Plus 1TB PCIe Gen4 3D NAND NVMe M.2 SSD, up to 5000MB/s - CT1000P3PSSD8

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/59707351-ct8g4sfs8266-8-gb-ddr4-2666-mt-s-pc4-21300-cl19](https://www.desertcart.us/products/59707351-ct8g4sfs8266-8-gb-ddr4-2666-mt-s-pc4-21300-cl19)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-20*