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Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 Mhz CL9 Performance Desktop Memory Kit

4.6 out of 5 stars 245 customer reviews
| 15 answered questions

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17 new from £21.95 2 used from £20.00
1600Mhz
4GB (2x2GB)
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  • 4GB memory kit (2 x 2GB) for use with Dual Channel DDR3 Intel Core i5 and Core i7 processors
  • 1600MHz
  • Latency of 9-9-9-24 for maximum reliability and performance
  • Intel XMP (Extreme Memory Profile) Support
  • XMS Heat Spreader

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Frequently Bought Together

  • Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 Mhz CL9 Performance Desktop Memory Kit
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Total price: £48.23
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Colour Name: 1600Mhz | Size Name: 4GB (2x2GB)

Product Information

Colour Name: 1600Mhz | Size: 4GB (2x2GB)
Technical Details
BrandCorsair
Item Weight36 g
Product Dimensions18.7 x 12.1 x 0.8 cm
Item model numberCMX4GX3M2A1600C9
SeriesCMX4GX3M2A1600C9 DDR3-1600Mhz 4 GB
Color1600Mhz
RAM Size2 GB
Memory TechnologyDDR3
Computer Memory TypeDDR3 SDRAM
Voltage1.65 volts
  
Additional Information
ASINB002LE8D2A
Best Sellers Rank 41,182 in Electronics (See top 100)
Shipping Weight118 g
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Find out more about our Delivery Rates and Returns Policy
Date First Available19 Aug. 2009
  
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Colour Name: 1600Mhz | Size Name: 4GB (2x2GB)
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Product Description

Colour Name:1600Mhz  |  Size Name:4GB (2x2GB)

Product Description

Corsair’s mainstream memory solution for Intel’s new Core i5 and Core i7 dual channel DDR3 processors. The XMS3 family is Corsair’s mainstream line of performance DDR3 memory. These modules allow users to experience outstanding memory performance and stability. Available in Corsair’s new XMS heat spreaders, each module is built using carefully selected RAMs.

This 4GB twin kit memory solution has been designed specifically to support the Intel Core i5 and Core i7 dual channel memory DDR3 solutions. This solution runs at an incredibly fast 1600MHz at CAS latency of 9-9-9-24. So not only do you get to run your Intel Core i5 or Core i7 dual channel memory system at 1600MHz but with these tight Latency timings your system performance will rock.

Box Contains

  • Corsair CMX4GX3M2A1600C9 2 x 2GB DDR3 SDRAM Memory


  • Customer Questions & Answers

    Customer Reviews

    Top Customer Reviews

    By Kaio TOP 500 REVIEWER on 7 Feb. 2013
    Colour Name: 1600MhzSize: 16GB (2x8GB) Verified Purchase
    [Please read the Update at the end]

    This 16GB XMS Memory kit (2x8GB memory modules) is very good but the spec is not totally accurate and there should be a disclaimer to this effect. You even see a bold statement "Outrageously fast 1600MHz performance using 16GB of memory" with 1.5V spec shown a few lines below on the same page (unless Amazon corrected this as I have sent them a note pertaining to what I describe here) but this must be qualified.

    Corsair's own website indicates that the 1600Mhz clock rate is achieved at 1.65V which is quite different from the 1.5V indicated here under Product Specifications. If you, like me, use this memory with Intel new technology processors (the latest i5 and i7 CPUs), then the DDR3 memory is controlled by the host processor using an on-chip Memory Controller Hub (MCH). According to Intel's spec, the on-chip MCH was designed to support DDR3-1333/1600MHz memory at 1.5V, and any memory voltage above 1.5V can shorten the life-span of the processor or even damage it. Hence, operating the memory module at 1.65V should be avoided.

    This will not be an issue if an external memory controller is used (which may mean using with older processors), but I haven't looked into such scenarios as they don't apply to me; my interest is with systems using i5-3570K and i7-3770K processors (and many others that share the same Chipset such as the Ivy Bridge chipsets, e.g., Z77).

    I think there should be a disclaimer for customers using this memory kit with Intel processors that use on-chip MCH for memory control (I think all Ivy Bridge and Sandy Bridge microarchitectures, perhaps earlier ones, use the MCH).
    Read more ›
    4 Comments 13 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Colour Name: 1333MhzSize: 4GB (1x4GB)
    My self build PC has been running for 6 weeks with no issues and overall this RAM module was an excellent purchase. It offers great value for money compared to other 4GB modules and as it was only one memory module it provides better scalability for introducing further RAM modules to my system.

    Timings are 9-9-9-24.
    Windows 7 experience score is 5.9 (1x4GB module)

    For those that are interested this is coupled with a Intel i5 2500 1155 CPU, Intel DH67CL Motherboard and powered by a 650w Ocz modular power supply.
    16 Comments 9 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Colour Name: 1600MhzSize: 4GB (2x2GB)
    Purchased 4GB kit (2*2GB) DDR3 1600 (PC3-12800) CL9 which are rated at 1.65V, however they work perfectly without any configuration in my AMD 890GX setup which has a DDR3 memory controller normally using 1.5V DIMMs.

    As my motherboard ran the memory at a default 1333MHz (same as the onboard 1Gb/128MB sideport) I overclocked the DIMMs to run at their rated maximum speed 1600MHz, which can be simply achieved by either:

    1. Changing the memory ratio from 6.66x to 8x
    2. Or keeping the 6.66x memory ratio and increasing the HT Link from 200 to 240 MHz (HT Link bus speed becomes ~2400MHz)

    This 2nd option requires further modifications as it is overclocking the system not just the memory, but this is best if you have a Black Edition AMD CPU as they have loads of headroom for overclocking.

    When the memory is running at 1600MHz it is best to ensure the Memory SPD Timings/Latencies are set to CL 9
    ie. 9-9-9-24 this will optimise the system memory stability. Often you may need to change the Command Timing/Rate from 1T (fine at slow speeds) to 2T.

    The performance coupled with the lifetime warranty makes this is a 5 / 5 Star product.
    Comment 9 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Colour Name: 1600MhzSize: 8GB (1x8GB) Verified Purchase
    I've had my PC for over 3 years and recently decided to upgrade the RAM from 8GB to the motherboard's maximum of 16GB. RAM is the only piece of hardware I feel confident enough to mess with. After all, what could be simpler, eh? It just slots in and 'click', right? Err, not quite. I know this might be old news to someone used to fitting hardware, but I'll say it anyway: You MUST make sure the RAM sticks are seated correctly in their slots, AT BOTH ENDS. Even if you do as I did and slot one end in and then rock the other end in until the clip locks it, that doesn't mean it's seated correctly. You still need to check both ends of the stick. In my case the PC just wouldn't boot. The fans whirred but the monitor wouldn't come on and it just didn't make the usual boot noises. I hadn't touched anything else in the PC, just the RAM; it was just as it was when I first bought it. After what seemed like hours trying to get the PC to boot, checking and rechecking everything I could think of, I checked the RAM one last time. It turned out the sticks just needed a little more coaxing into the slots; with one last gentle push on both ends they clicked into place. Then hey presto! The PC booted as normal, and Windows recognised the new RAM. Job done!

    As I write this I've only been using the new RAM for barely two hours and the PC seems normal. On the RAM itself, the sticks say 1600mhz though in the BIOS they seem to be at 1333mhz. I don't see what difference changing these values will do. I'll see how it goes.

    I know to some people fitting RAM is the easiest job in the world, but I just thought I'd share what I went through, in case there are other 'newbies' out there as nervous as I was about fitting RAM. If I can do it, so can you!
    2 Comments 5 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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