---
product_id: 128400341
title: "CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266"
brand: "crucial"
price: "€ 57.38"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/128400341-crucialram-4gb-ddr4-2666-mhz-cl19-desktop-memory-ct4g4dfs6266
store_origin: HR
region: Croatia
---

# 4GB RAM Easy Install 2666 MHz Speed CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266

**Brand:** crucial
**Price:** € 57.38
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your System's Game with CrucialRAM!

## Quick Answers

- **What is this?** CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266 by crucial
- **How much does it cost?** € 57.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/128400341-crucialram-4gb-ddr4-2666-mhz-cl19-desktop-memory-ct4g4dfs6266)

## 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

- • **Compact Design:** Sleek dimensions (5.25 x 0.03 x 1.23 inches) fit perfectly in your setup.
- • **Boost Your Performance:** Experience lightning-fast app launches and seamless multitasking.
- • **Compatibility Guaranteed:** Use our Crucial System Scanner for a perfect fit every time.
- • **Micron Quality Assurance:** Trust in 42 years of expertise and rigorous testing for reliability.
- • **Plug-and-Play Simplicity:** No tech skills? No problem! Install effortlessly with our guides.

## Overview

The CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266 is designed to enhance your computer's performance, allowing for faster app execution and efficient multitasking. With easy installation and guaranteed compatibility, this memory module is backed by Micron's 42 years of expertise, ensuring reliability and quality.

## Description

CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266

## 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 = 1Rx16

## Technical Specifications

| Specification | Value |
|---------------|-------|
| RAM | 4 GB DRAM |
| Memory Speed | 2666 MHz |
| Hard Drive | 4 GB |
| Brand | Crucial |
| Series | DDR4 2666 MT/s UDIMM DRAM |
| Item model number | CT4G4DFS6266 |
| Item Weight | 0.563 ounces |
| Product Dimensions | 5.25 x 0.03 x 1.23 inches |
| Item Dimensions  LxWxH | 5.25 x 0.03 x 1.23 inches |
| Color | Multicolor |
| Number of Processors | 1 |
| Computer Memory Type | DDR4 SDRAM |
| Voltage | 1.2 Volts |
| Batteries | 1 Lithium Ion batteries required. |
| Manufacturer | Crucial |
| Language | English, English, English, English, English |
| ASIN | B07K8ZHX6D |
| Date First Available | October 5, 2018 |

## Product Details

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

## Images

![CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266 - Image 1](https://m.media-amazon.com/images/I/61j3CTxnXVL.jpg)
![CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266 - Image 2](https://m.media-amazon.com/images/I/51o+mxsOM+L.jpg)
![CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266 - Image 3](https://m.media-amazon.com/images/I/61WrSm1ISgL.jpg)
![CrucialRAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266 - Image 4](https://m.media-amazon.com/images/I/71-M8FYU++L.jpg)

## Available Options

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

## Questions & Answers

**Q: I bought a single 8Gb stick of this for my build - it says 2400 but is running at 1200. Why? Is it only 2400 if I run 2 sticks?**
A: Modern DRAM modules support double data rate (DDR) transfers, meaning that although they function at a given clock speed, they transfer data during both the rise and fall of a CPU clock cycle, allowing for double the data transfers their native speed, or frequency, would suggest. Some diagnostic or system information software does not express this clearly, only reflecting the modules' frequency in megahertz (MHz), making such feedback suggest that your parts are only running at half their possible speed. For example, DDR3-1600 supports 1600 megatransfers per second (MT/s) due to its nature as DDR memory, but runs at 800 MHz.

**Q: What is the difference between crucial ct8g4dfd824a and crucial ct8g4dfs824a?**
A: Thanks for your question. CT8G4DFD824A is a dual ranked part and CT8G4DFS824A is a single ranked part. More information on this can be found here: http://forums.crucial.com/t5/Crucial-memory-for-PC-systems/What-is-a-memory-Rank/ta-p/126346

**Q: If I add a 8gb for my Dell i5675 will it be compatible with the 8gb thats already in my pc?**
A: Thank you for contacting Crucial and for your question.  The part number that you provided is 100% compatible with your system.  That being said, we can guarantee that our memory will work with your computer, but we have no way to guarantee that it will work with what is currently installed in the system.  I can tell you that most consumer systems out there can mix different brands of memory without running into any issues.

**Q: Crucial 8gb single ddr4 2400 mt/s (pc4-19200) dr x8 unbuffered dimm 288-pin memory - ct8g4dfd824a can it compatible with msi gaming h110?**
A: Yes, CT8G4DFD824A is compatible with the MSI H110M GAMING.

## Frequently Bought Together

- Crucial RAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266
- Crucial 32GB Kit (16GB x 2) DDR4 3200 MHz (PC4-25600) UDIMM 288-Pin Memory - CT2K16G4DFRA32A
- Crucial 16GB (2x8GB) DDR4 RAM Kit 3200 MHz (PC4-25600), Downclockable to 2933/2666 MHz Laptop Memory SODIMM 260-Pin, Compatible with Intel & AMD Laptops – CT2K8G4SFRA32A

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**Shop now:** [https://www.desertcart.hr/products/128400341-crucialram-4gb-ddr4-2666-mhz-cl19-desktop-memory-ct4g4dfs6266](https://www.desertcart.hr/products/128400341-crucialram-4gb-ddr4-2666-mhz-cl19-desktop-memory-ct4g4dfs6266)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-24*