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Corsair XMS2 Dominator TWIN2X4096-8500C5DF 4GB 2X2GB PC2-8500 DDR2-1066 CL5-5-5-15 240PIN Memory Kit

Corsair XMS2 Dominator TWIN2X4096-8500C5DF 4GB 2X2GB PC2-8500 DDR2-1066 CL5-5-5-15 240PIN Memory Kit - 1
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Corsair XMS2 Dominator TWIN2X4096-8500C5DF 4GB 2X2GB PC2-8500 DDR2-1066 CL5-5-5-15 240PIN Memory Kit - 28709_l.jpg Customer Photos (0)
Reg. Price: $199.99  CAD
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   Shipping Weight:   0.5 lbs
   Part #: TWIN2X4096-8500C5DF

Features    [ Edit | History ]

The Dominator Series Twin2X4096-8500C5DF is 4GB of DDR2 SDRAM DIMMs built using Corsair's latest high performance heat sink with Dual-Path Heat Xchange (DHX) technology coupled with a Corsair Dominator Airflow Fan. This memory has been verified to operate at 1066MHz at latencies of 5-5-5-15-2T at 2.1VDIMM. The Twin2X4096-8500C5DF comes with Enhanced Performance Profiles (EPP), the open standard for performance module SPD's jointly developed by Corsair and NVIDIA. EPP SPD's on Corsair modules allow users to automatically configure EPP enabled motherboards with aggressive memory performance settings, for maximum memory and system performance.

Quick Specs:
Number of Modules 2 x 2 GB
Number of Pins 240-pin
Signal Processing Unbuffered
Limited Warranty Lifetime
Form Factor DIMM
Memory Speed 1066 MHz
Memory Size 4 GB
Memory Technology DDR2 SDRAM
Memory Standard DDR2-1066/PC2-8500

Specifications    [ Edit | History ]
General Information  
     Brand Name: Corsair
     Manufacturer: Corsair
     Manufacturer Part Number: TWIN2X4096-8500C5DF
     Manufacturer Website Address:
     Product Line: Extreme Performance
     Product Name: Extreme Performance Dominator 4GB DDR2 SDRAM Memory Module
     Product Type: RAM Module
Physical Characteristics  
     Form Factor: DIMM
     Number of Pins: 240-pin
Technical Information  
     Memory Size: 4 GB
     Memory Speed: 1066 MHz
     Memory Standard: DDR2-1066/PC2-8500
     Memory Technology: DDR2 SDRAM
     Number of Modules: 2 x 2 GB
     Signal Processing: Unbuffered
     Limited Warranty: Lifetime

Corsair TWIN2X4096-8500C5DF Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Corsair TWIN2X4096-8500C5DF reviews.
Experience: Days
 Verified Owner
I've heard ONLY Fantastic things about the "Dominator" RAM
None at this time
I'm only hoping that the new Kit (4Gig) that I bought for my setup will as wonderfully as all that I've been hearing!! I have no doubts whatsoever...

Experience: 1 Years
Easily runs at the timings and speeds specified.
Overclocks nicely.
Extremely stables and good memory.
None to report.
I've had this memory in my system for around a year, and ever through OC tests and just regular usage my PC has been rock solid and it's complimented my PC extremely nicely.

Experience: 4 Months
excellent ram. works great with phenom 9850be to run at 2.85 ghz. cooling fins are a bonus
none i can think of
as far as i am concerned this is has got to be one of the best memory sticks on the market. i have put together 4 pcs for friends and everyone of them has used this Ram and has complimented a very stable system. the website is helpful for all their memory queries as well as the tech support.

Experience: 90 Days
Looks cool and very sturdy, the old ram sticks looked like they did break any time :)
No fan was included ( not sure if it is suppose to be there by default ?) , takes some decent amount of space cause of the heatsink
Was on sale for less than 90$ and for my new rig, it was the choice over picking ocz, cause i have weird issues with ocz ram sticks. Will try to pair these rams with G.Skill to upgrade to 8 gig, and see if pairing works out.

Experience: 5 Months
Great overclocking. Stable, solid and the fan keeps them cool
The best DDR2 I ever owned.

On my Maximus Formula I had 8GB of this RAM running at 1148MHz 5-5-5-15 with a PL of 7 and they were fast. Blazing fast! Very easy to overclock and very stable with stock volts. The Dominator fan was a bit noisy for my taste, but the performance of the memory was such that I had no problems with the little bit of extra noise.

Experience: 90 Days
 Verified Owner
Computer is noticeably faster
None at all.
I upgraded to the dominator from 2GB of PC2 6400 RAM. The increase in speed surprised me running XP and now on Windows 7, I am equally pleased. I'm not Overclocking the RAM and don't need the fan that was included for the modules.

Experience: 1 Days
Works at rated speed no problem
Runs very cool, even at o/c speeds
Runs below rated voltage
Stable up to 1100 mhz at rated voltage
Does not o/c well
Will not run at 4 4 4 12 above 1000 mhz
Voltage increase does not help to O/C
Great ram if you want to run stock speeds or close ther to at little to no heat issues. $ gig kits are hard to o/c and get crazy speeds anyway, great buy especially at $60 after MIR. Highly recommend if on special sale.

Experience: 1 Weeks
 Verified Owner
- high-quality heatsinks
- comes with quiet fan
- decent timings and voltage
- timings can be tightened at 1:1
- won't OC as well as D9s (probably wont get 1200MHz)
Nice set of RAM for a nice price. I am primarily concerned with my CPU overclock not my RAM overclock so this stuff works well to allow 500+FSB.

The Airflow Fan that comes with this kit is good quality and quiet but it's a bit tall so make sure there aren't cables or tubing in the way. Also the top top of the Airflow Fan has a light blue card sticker thing that looks really cheesy. Be sure to peel it off carefully and you will find black anodized aluminum underneath that looks very 007. A definite improvement!

Good stuff, will definitely pick up another kit when prices drop  a bit. This review was modfied by poster d 12-25-08 06:43 PM

This review was modfied by poster @ 01-08-09 07:31 PM

Experience: 2 Weeks
 Verified Owner
Comes with a fan
I haven't had a chance to really test the speed of this ram yet, so I can't say how fast mine will go. I'm running 2 kits (4 sticks) in an Asus P5Q-EM G45 motherboard at 800MHz 2.1V. Because I'm running 4 sticks, I'm maxing out the memory controller on my board. I still have to do more testing with just 2 sticks at a time to see how far I can overclock it and will report the results in time.

Magno Alfredo_L
Experience: 20 Days
 Verified Owner
Great Overclocking
Very great Ram. Got it for dirt cheap on the weekly sales. Overclocks great and has great cooling for it. You can't go wrong with corsair. Would definately recommend.

 NCIX Forum Messages

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Messages about Corsair XMS2 Dominator TWIN2X4096-8500C5DF 4GB 2X2GB PC2-8500 DDR2-1066 CL5-5-5-15 240PIN Memory Kit

Can I pair these with 2 x 1GB Modules? (Adam_L- Jan 15, 11, 3 Replies) Read this message
can i mix this with...??? (Trav_995- Sep 10, 10, 4 Replies) Read this message
pc2 8000 with 8500 (kyle_l- Dec 05, 09, 5 Replies) Read this message
are these v1.1 (cmc023- Nov 21, 09, 2 Replies) Read this message
Compatibility clarification. (Aristotle_S- Sep 12, 09, 2 Replies) Read this message
Dominator vs. Ascent (Robert_L- Sep 01, 09, 11 Replies) Read this message
Combining Corsair MIR (Robert_L- Jun 04, 09, 2 Replies) Read this message
Is it worth putting 8GB into MB? (Rforce1- Mar 28, 09, 1 Replies) Read this message
I checked the SKU on this.. (jEnkinsX- Dec 16, 08, 2 Replies) Read this message
Running 4 modules on G45 (drozd- Dec 11, 08, 5 Replies) Read this message
YELLOWBEARD HELP!!!! (upcs- Dec 06, 08, 10 Replies) Read this message
RAM Specs (Dave_R- Nov 26, 08, 3 Replies) Read this message
2 sets of these in a P5Q-Pro? (H_bomb- Oct 31, 08, 2 Replies) Read this message
Corsair Dominator 4gig, work on 32bit system with (Lindsay_M- Oct 27, 08, 18 Replies) Read this message
1100mhz oc cablable? (CamelJock- Oct 19, 08, 8 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: Very good and thorough review.
Posted by: monstawrz @07/21/08
Submit a review link   |   Latest 30 reviews
Product Warranty
First 30 days limited warranty through The remainder of the lifetime warranty is provided directly by the manufacturer.

Corsair's DRAM memory modules all carry a lifetime warranty. The Flash Voyager, Flash ReadOut, TurboFlash, Flash Survivor and Mini Flash products all have a warranty for the expected normal life of the product (10 years). The Flash Padlock has a warranty of 3 years. The HX, TX, and VX Series of Power Supplies have a 5 year warranty, and Liquid Cooling products carry a one year warranty. In general, this means Corsair products are guaranteed to operate, as specified by their datasheet, and in the operating environment for which they were intended, for the life of the product or the extent of the warranty.

For additional information and technical assitance, please visit Corsair Memory's support site at:

Corsair Technical Support

Phone:  1-800-205-7657

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While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

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