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Corsair XMS2 4GB (2x2GB) DDR2 800 MHz (PC2 6400) Desktop Memory

4.5 out of 5 stars 271 customer reviews
| 4 answered questions

Price: $49.99 & FREE Shipping. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
4 GB
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  • Memory Size: 2 x 2048MB
  • Memory Speed: 800MHz PC6400
  • Memory Type: Dual Channel DDR2
  • Memory CAS Latency: 5-5-5-18
37 new from $40.00 5 used from $23.99

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$49.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Corsair XMS2 4GB (2x2GB) DDR2 800 MHz (PC2 6400) Desktop Memory
  • +
  • Sabrent 2.5 Inch to 3.5 Inch Internal Hard Disk Drive Mounting Kit (BK-HDDH)
  • +
  • Samsung 850 EVO - 250GB - 2.5-Inch SATA III Internal SSD (MZ-75E250B/AM)
Total price: $147.47
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Technical Details

Capacity: 4 GB
  • Model Number: TWIN2X4096-6400C5
  • Item Package Quantity: 1
  • Hardware Platform: Pc
  • Form Factor: Desktop
  • Memory Storage Capacity: 4096 GB
See more technical details

Product Description

Capacity: 4 GB


Customer Service / Tech support: 1-888-222-4346 opt. 1

Product Information

Capacity:4 GB
Product Dimensions 6.5 x 5 x 1 inches
Item Weight 3.2 ounces
Shipping Weight 1.8 pounds (View shipping rates and policies)
ASIN B000TPXULC
Item model number TWIN2X4096-6400C5
Customer Reviews
4.5 out of 5 stars 271 customer reviews

4.5 out of 5 stars
Best Sellers Rank #1,932 in Electronics > Computers & Accessories > Computer Components
Discontinued by manufacturer Yes
Date first available at Amazon.com January 9, 2007

Technical Specification

Warranty [pdf ]

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

By Nima S. Panahi on May 15, 2007
Size: 2 GB
This ram comes in flavors from revision 1 to I believe revision 6 (the latest revision I heard about..). I believe after revision 3 or 4 they started using Promo or other crappy memory chips instead of the really good Micron chips. The cheaper ram chips run OK most of the time but the real draw back is that they have shorter life and most importantly DO NOT overclock well at all. So, unless you know you are getting an early revision of these sticks, don't bother. If you really want a memory from Corsair that just runs at stock speeds, then you are better off with the slightly more expensive CL4 versions anyway since they are so much faster.
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Size: 4 GB Verified Purchase
I'm running an MSI M2N Sli-Deluxe with an AMD Phenom 9850BE cpu, no overclocking. Built the system in 2008, and I originally had two of these sticks in it for a total of 4GB RAM. I've never had any problems with it, and over the years I've upgraded from XP Pro to Win 7 64 bit. Just recently, I decided to up the memory with another two sticks for a total of 8GB, and I'm wishing I'd done it sooner because it made quite a difference. Anyway, never a single issue with any of the four sticks, but the real corker is the accident I had a couple of days ago. My computer is a bit vulnerable because I have had the case open for... maybe all 7 years, I think. I slipped a couple of days ago and knocked my glass of iced tea over and just a few drops made it down the side of my desk and onto the top of the case frame, where it ran down the top of the power supply and actually dripped onto the retainer tab of the first memory stick. I cleaned up the mess on the desk but didn't notice that it had gotten into the motherboard until the computer began to randomly freeze up on me. I attempted a reboot but by then it wouldn't even boot up. I knew right away that this meant I'd compromised it with the tea spill, but since it was so little it took me some time to figure out where it made it in. I finally found it, removed the affected stick, and was horrified to find that there was actually tea INSIDE the stick. I shook it out agressively and heated it with a hair dryer till it was too hot to touch on both sides, then let it sit to cool a bit. There is a LOT to be said for anything electronic that can pass the "running while wet" test, believe me. I put it back in the machine and it booted right up. No problems since, it's running just like nothing ever happened.Read more ›
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Size: 2 GB Verified Purchase
This product has good quality and good price.

Note: The temperature is a bit high if used ECS A780GM-A and normal in MSI K9A2 Platinum Motherboard.
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Size: 2 GB Verified Purchase
This is perfectly good ram. It works perfectly. However, it is NOT 5-5-5-12 timing! The actualy timing, as printed on the module, is 5-5-5-18! Be aware of this before you order from this page.
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Size: 4 GB Verified Purchase
These RAM sticks have performed well since I got them in 2009, but the best thing I share is the support Corsair provided. After running my machine daily for about 2 years, one stick started to die. I ran some tests and verified one was fine and the other was failing. Not holding my breath that I was going to get any help, I RMA'd the product through Corsiar's website. To my delight, they sent me a new stick and took the old one back without hassle! It's almost 3 years later and my PC has been running great ever since!

Corsair earned my business and my next build will include their RAM again.
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Size: 2 GB Verified Purchase
I bought these same RAM modules when I first built my computer about 2yrs ago. I upgraded to Windows 7 about 6mos ago, so I needed more RAM. Ordered another 2GB worth and then started getting BSOD and other funky error messages about once a week. Unfortunately, I waited too long and now I can't return them. I'm currently running my computer on only the original 2GB of RAM I had when I built it and I'm no longer encountering errors. I wouldn't recommend these.
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Size: 2 GB Verified Purchase
This is good RAM for and older computer i have. I got it to match the 2GB i already had. I took a star off because one stick was defective, but I got them used and for a good price so I didn't bother attempting to return that one stick. If I had bought new, then I would have initiated a return, but really, you don't wanna spend your money on NEW ram this outdated.
Corsair is a good company too, i've used several of their products in computer builds in the past.
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Size: 2 GB
After shopping around, this seems to be the most affordable RAM per GB. I have purchased 2 of the two packs, and both arrived in good working order. I have been running them for a couple of weeks now, and all are stable. Note: I can't vouch for any overclocked performance, have only been running stock.
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