--- product_id: 1200040 title: "Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800" brand: "micron" price: "R1585" currency: ZAR in_stock: true reviews_count: 13 url: https://www.desertcart.co.za/products/1200040-crucial-4gb-kit-2gbx2-ddr2-800mhz-pc2-6400-cl6-unbuffered store_origin: ZA region: South Africa --- # 800MHz blazing speed 240-pin UDIMM form factor CL6 low latency Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800 **Brand:** micron **Price:** R1585 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your productivity with Crucial DDR2 RAM — because speed waits for no one! ## Quick Answers - **What is this?** Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800 by micron - **How much does it cost?** R1585 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/1200040-crucial-4gb-kit-2gbx2-ddr2-800mhz-pc2-6400-cl6-unbuffered) ## Best For - micron enthusiasts ## Why This Product - Trusted micron brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Simplicity:** Effortless installation with standard 240-pin UDIMM design—no tech headaches. - • **Trusted Micron Quality:** Premium, 100% tested memory ensures reliability and longevity under heavy workloads. - • **Future-Proof Your Setup:** Compatible with a wide range of DDR2 desktops, backed by a limited lifetime warranty. - • **Optimized Speed & Efficiency:** 800MHz frequency combined with CL6 latency delivers responsive computing power. - • **Boost Your Desktop Performance:** Upgrade with 4GB DDR2 RAM for smoother multitasking and faster load times. ## Overview The Crucial 4GB Kit (2x2GB) DDR2 800MHz CL6 UDIMM is a high-quality, unbuffered desktop memory module designed to enhance system responsiveness. Featuring a 240-pin form factor and operating at 1.8 volts, this Micron-manufactured RAM offers reliable performance with low latency, making it ideal for upgrading older desktops. Backed by a limited lifetime warranty and 100% testing, it ensures dependable, long-lasting operation. ## Description CT2KIT25664AA800 is a 4GB kit consisting of (2) 2GB DDR2 Desktop modules that operates at speeds up to 800MHz and has a CL6 latency. It is Unbuffered and is non-ECC. It conforms to the industry standard UDIMM layout of 240 pins and is compatible with computers that take DDR2 UDIMM memory. ## Features - Increases system performance - Easy to install - Premium quality memory from a trusted brand - 100% Tested - Identical To: CT2CP25664AA800 ## Technical Specifications | Specification | Value | |---------------|-------| | Additional Features | Lightweight | | Asin | B0011A4UZE | | Best Sellers Rank | #2,926 in Computer Memory | | Brand | Micron | | Column Address Strobe Latency | 6 | | Compatible Devices | Desktop | | Customer Reviews | 4.6 4.6 out of 5 stars (1,030) 4.6 out of 5 stars | | Data Transfer Rate | 800 MHz | | Form Factor | DIMM 240-pin | | Global Trade Identification Number | 00649528740076 | | Item Weight | 31.8 g | | Manufacturer | CRUCIAL TECHNOLOGY | | Memory Form Factor | UDIMM | | Memory Generation | DDR2 | | Memory Speed | 800 MHz | | Mfr Part Number | CT2KIT25664AA800 | | Model Name | Crucial | | Model Number | CT2KIT25664AA800 | | Number Of Items | 1 | | Number Of Packs | 2 | | Number Of Pins | 240 | | Ram Memory Technology | DDR2 | | Ram Size | 4 GB | | Unit Count | 2 Count | | Upc | 014445075745 803982741158 763615835169 012303270875 320127531967 012951722986 807030497851 809186273464 806293529958 809385668344 013040046884 012300514170 021112330663 172302905069 649528740076 | | Voltage | 1.8 volts | | Warranty Description | Limited lifetime warranty | ## Product Details - **Brand:** Micron - **Compatible Devices:** Desktop - **Computer Memory Size:** 4 GB - **Memory Speed:** 800 MHz - **RAM Memory Technology:** DDR2 ## Images ![Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800 - Image 1](https://m.media-amazon.com/images/I/712d8hgJYRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works Perfectly; No Hassle *by on Reviewed in the United States May 30, 2012* I bought this product approximately a year and half ago. Once I received it, I popped it in the empty slots in my PC, fired it up, and waited to see what error would be displayed so I could start fixing it. Fortunately, I was very wrong!My computer is a Dell E510 that came with (a very under-powered) 512MB of RAM and Windows XP Media Center Edition (2005), making this computer somewhat aged. I slid these two sticks into the two empty slots and simply left the "stock" 256MB RAM sticks in there.My primary operating system at the time was Ubuntu 10.10, which showed a fair bit of enhancement when multiple windows were open, while Windows XP actually became *usable*. These sticks have worked perfectly fine with Windows XP, Ubuntu 10.10, 11.04, 11.10, and now 12.04, along with Fedora 14+, a few versions of OpenSUSE, and many other Linux distros.The only caveat is that my system is 32-bit, which means that I can only truly utilize approximately 3.5GB of the now-4.5GB present, although that's not by fault of this product, and is somewhat rectified by installing the PAE Linux kernel.In any event, this product has not only stood the test of time (I would say 1.5 years of use is plenty of time in computer years), but has also stood the test of diversity. Not only does this product meet my expectations, but it surpasses them, and at the cheapest price I could find at the time, too! ### ⭐⭐⭐⭐⭐ Just What My System Needed *by on Reviewed in the United States March 8, 2014* As I've made the transition from XP to Win 7 in order to avoid any "Imperial complications" after April 08, 2014; I decided to use my current motherboard, CPU, Video Card and just upgrade my RAM. This I've done today when the items referenced above arrived about 30 minutes ago and have been put into my system. I ran Belarc Advisor and the new RAM was displayed and as of this moment seems to be functioning as expected. I kept the 2GB of RAM I've been using and added the 4GB I ordered am now ready for 64-bit as I've been contemplating. This memory is working as I wanted.I'd like to thank Ryan Masterson, from Crucial.com, for his valued assistance in my buying this memory. I'd originally intended to purchase the RAM from crucial directly but as they were out of stock, he searched and located what I wanted on Amazon and I immediately purchased it from Amazon. Or more precisely, from NEMIX RAM out of Boca Raton, Florida via Amazon. The shipment was not due to arrive until the middle of next week but arrived today, Saturday, March 08, 2014. The USPS came through again and actually has not ever let me down no matter where in the world I've been - they always seem to find me. (I may have to look into that...) But seriously, all parties did their job and Ryan made it all work out as I wanted. In fact, I'll probably be upgrading another computer in the next few weeks and I know exactly to whom to contact. ### ⭐⭐⭐⭐⭐ Certainly worth the price *by on Reviewed in the United States October 2, 2013* I really needed to upgrade my 2008 HP Pavilion desktop or buy a new one. I figured a few upgrades would be worth trying first, so I ordered a pair of 2GB memory sticks to see how they would work. The order came in a short time with Prime free shipping and Amazon's clutter free packaging was fine also. Fifteen minutes after I got them they were installed and working fine. I haven't tried any tests on them but just from daily use I can tell that sites and pages do seem to load faster so I am going to order the other pair to max out my RAM. I could have bought other sticks for about the same price but I like Crucial instead of some cheaper no-name brand and feel better with both Crucial's guarantee and Amazon backing up my purchase. ## Frequently Bought Together - Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800 - Crucial BX500 1TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT1000BX500SSD1, Solid State Drive - Crucial Pro 32GB DDR4 RAM Kit (2x16GB), High-Performance 3200MHz (or 3000MHz or 2666MHz) Desktop Memory UDIMM 288-Pin, Compatible with Intel and AMD Ryzen - CP2K16G4DFRA32A --- ## 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.co.za/products/1200040-crucial-4gb-kit-2gbx2-ddr2-800mhz-pc2-6400-cl6-unbuffered](https://www.desertcart.co.za/products/1200040-crucial-4gb-kit-2gbx2-ddr2-800mhz-pc2-6400-cl6-unbuffered) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-02*