---
product_id: 207705556
title: "Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266"
brand: "crucial"
price: "$215.08"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/207705556-crucial-ram-8gb-kit-2x4gb-ddr4-2666-mhz-cl19-desktop
store_origin: US
region: United States of America
---

# 2666 MHz blazing speed 1.2V low power efficiency 288-pin seamless compatibility Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266

**Brand:** crucial
**Price:** $215.08
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your desktop, upgrade your hustle.

## Quick Answers

- **What is this?** Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266 by crucial
- **How much does it cost?** $215.08 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/207705556-crucial-ram-8gb-kit-2x4gb-ddr4-2666-mhz-cl19-desktop)

## 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

- • **Plug & Play Simplicity:** Upgrade your rig in minutes—no tech skills needed, with step-by-step Crucial guides at your fingertips.
- • **Perfect Fit, Guaranteed:** 288-pin UDIMM form factor ensures hassle-free compatibility with your desktop setup.
- • **Turbocharge Your Workflow:** Experience lightning-fast app launches and effortless multitasking with 2666 MHz DDR4 speed.
- • **Engineered for Reliability:** Backed by Micron’s 42 years of memory mastery and rigorous testing for rock-solid performance.
- • **Optimized Power Efficiency:** Runs at a low 1.2V voltage to keep your system cool and energy-smart without sacrificing speed.

## Overview

The Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 is a high-performance desktop memory upgrade designed for professionals seeking faster responsiveness and smooth multitasking. Featuring low-voltage 1.2V operation and a standard 288-pin UDIMM form factor, it guarantees compatibility and energy efficiency. Backed by Micron’s 42 years of expertise, this kit delivers reliable, plug-and-play performance to elevate your computing experience.

## Description

Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266

## Features

- Improve your system's responsiveness, run apps faster and multitask with ease
- Install with ease; no computer skills required. How-to guides available at Crucial
- Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool
- Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise
- ECC Type = Non-ECC, Form Factor = UDIMM, Pin Count = 288-pin, PC Speed = PC4-21300, Voltage = 1.2V, Rank and Configuration = 1Rx8

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Crucial |
| Product Dimensions | 13.34 x 0.08 x 3.12 cm; 38 g |
| Item model number | CT2K4G4DFS8266 |
| Manufacturer | Crucial |
| Series | Crucial DDR4 2666 MT/s DIMMS |
| Colour | Green |
| Form Factor | 288-Pin DIMM |
| RAM Size | 8 GB |
| Memory Technology | DDR4 |
| Computer Memory Type | DDR4 SDRAM |
| Memory Clock Speed | 2666 MHz |
| Voltage | 1.2 Volts |
| Are Batteries Included | No |
| Item Weight | 38 g |
| Guaranteed software updates until | unknown |

## Product Details

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

## Images

![Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266 - Image 1](https://m.media-amazon.com/images/I/61j-w14371L.jpg)
![Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266 - Image 2](https://m.media-amazon.com/images/I/51o+mxsOM+L.jpg)
![Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266 - Image 3](https://m.media-amazon.com/images/I/61WrSm1ISgL.jpg)
![Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266 - Image 4](https://m.media-amazon.com/images/I/61DPFAmugxL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is it competible with hp prodesk g2 sff desktop?**
A: Thank you for choosing crucial, we would like to inform you that the part CT4G4DFS8266 is 100% compatible with your HP prodesk g2 sff desktop.

**Q: Lenovo ideacentre 700 25ish? Need help everything has been contradicting on what will work and not!**
A: The part CT2K4G4DFS8266 is compatible with this system.

**Q: Is this compatible with inspiron 3583 laptop**
A: Thank you for your inquiry. 

CT4G4DFS8266 is not compatible with Dell inspiron 3583. Compatible 4GB 2666 MT/s memory part number is CT4G4SFS8266 and CT4G4SFS6266.

**Q: Will it fit dell i5378-3031gry-pus inspiron, 13.3"**
A: Crucial 4GB Single DDR4 2666 MT/s (PC4-21300) CL19 x8 UDIMM 288-Pin Memory is not compatible with dell i5378-3031gry-pus.

## Frequently Bought Together

- Crucial RAM 8GB Kit (2x4GB) DDR4 2666 MHz CL19 Desktop Memory CT2K4G4DFS8266
- SAMSUNG 870 EVO SATA SSD 500GB 2.5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E500B/AM, Black
- Crucial RAM 16GB Kit (2x8GB) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Desktop Memory CT2K8G4DFRA32A

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**Shop now:** [https://www.desertcart.us/products/207705556-crucial-ram-8gb-kit-2x4gb-ddr4-2666-mhz-cl19-desktop](https://www.desertcart.us/products/207705556-crucial-ram-8gb-kit-2x4gb-ddr4-2666-mhz-cl19-desktop)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-16*