--- product_id: 98289353 title: "64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266" brand: "crucial" price: "$1021.02" currency: USD in_stock: true category: "Crucial" url: https://www.desertcart.us/products/98289353-64gb-kit-16gbx4-ddr4-2666-mt-s-pc4-21300-dr store_origin: US region: United States of America --- # 2666 MT/s blazing speed 64GB massive capacity 40% power savings 64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 **Brand:** crucial **Price:** $1021.02 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your rig, dominate your day — memory that works as hard as you do! ## Quick Answers - **What is this?** 64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 by crucial - **How much does it cost?** $1021.02 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/98289353-64gb-kit-16gbx4-ddr4-2666-mt-s-pc4-21300-dr) ## 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 - • **Blazing Fast DDR4 2666 MT/s:** Experience lightning-quick data bursts that keep your workflow seamless and efficient. - • **Dual Ranked x8 Architecture:** Boost bandwidth by up to 32% for smoother, faster data handling in demanding applications. - • **Plug-and-Play Compatibility:** Industry-standard 288-pin UDIMM ensures hassle-free installation in most DDR4 2666 MT/s desktops. - • **Energy-Efficient Performance:** Cut power consumption by up to 40%, optimizing your system’s sustainability without sacrificing speed. - • **Massive 64GB Quad-Channel Kit:** Unleash multitasking power with four 16GB modules designed for heavy-duty professional use. ## Overview The Crucial 64GB Kit (4x16GB) DDR4 2666 MT/s memory modules deliver high-speed, energy-efficient performance with a dual-ranked x8 design. Compatible with standard 288-pin UDIMM slots, this kit is perfect for professionals seeking reliable, large-capacity RAM to power intensive multitasking and data-heavy workflows. ## Description CT4K16G4DFD8266 is a 64GB Kit consisting of (4) 16GB DDR4 desktop modules that operates at speeds up to 2666 MT/s and has a CL19 latency. It is an Buffered DIMM. It conforms to the industry standard DDR4 ECC UDIMM layout of 288 pins and is compatible with systems that take DDR4 2666MT/s UDIMM memory. ## Features - Speeds start at 2133 MT/s and faster data rates are expected to be available as DDR4 technology matures - Increase bandwidth by up to 32 Percent - Reduce power consumption by up to 40 Percent - Faster bursts access speeds for improved sequential data throughout - Dual Ranked, x8 based, Unbuffered DIMM ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0752DVM47 | | Additional Features | Lightweight | | Best Sellers Rank | #1,589 in Computer Memory | | Brand | Crucial | | Built-In Media | DDR4 Desktop DRAM | | Column Address Strobe Latency | 19 | | Compatible Devices | Desktop | | Customer Reviews | 4.4 4.4 out of 5 stars (79) | | Data Transfer Rate | 2133 Megabits Per Second | | Form Factor | DIMM | | Global Trade Identification Number | 00649528780119 | | Item Type Name | Crucial 64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 | | Item Weight | 0.03 Pounds | | Manufacturer | CRUCIAL TECHNOLOGY | | Memory Form Factor | UDIMM | | Memory Generation | DDR4 | | Memory Speed | 2666 MHz | | Mfr Part Number | CT4K16G4DFD8266 | | Model Name | Trident | | Model Number | CT4K16G4DFD8266 | | Number of Pins | 288 | | RAM Memory Technology | DRAM | | RAM Size | 64 GB | | UPC | 649528780119 | | Voltage | 1.2 Volts | | Warranty Description | Limited lifetime warranty | ## Product Details - **Brand:** Crucial - **Compatible Devices:** Desktop - **Computer Memory Size:** 64 GB - **Memory Speed:** 2666 MHz - **RAM Memory Technology:** DRAM ## Images ![64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 - Image 1](https://m.media-amazon.com/images/I/71WwiPNTDKL.jpg) ![64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 - Image 2](https://m.media-amazon.com/images/I/61tBiWw79pL.jpg) ![64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 - Image 3](https://m.media-amazon.com/images/I/616dWH3kGBL.jpg) ![64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 - Image 4](https://m.media-amazon.com/images/I/71CNy-e56NL.jpg) ![64GB Kit (16GBx4) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD8266 - Image 5](https://m.media-amazon.com/images/I/71-M8FYU++L.jpg) ## Available Options This product comes in different **Size** options. --- ## 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/98289353-64gb-kit-16gbx4-ddr4-2666-mt-s-pc4-21300-dr](https://www.desertcart.us/products/98289353-64gb-kit-16gbx4-ddr4-2666-mt-s-pc4-21300-dr) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-13*