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Item#: N82E16820231207

G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model F2-6400CL5D-4GBNT

  • DDR2 800 (PC2 6400)
  • Timing 5-5-5-15
  • Cas Latency 5
  • Voltage 1.8V
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Adding more RAM is an easy way to improve your system performance, as more memory often means more responsive multitasking and faster program switching. The G.SKILL DDR2 memory delivers fast speed and low latency to address your daily needs in work and play, without a hit on your wallet. Quality components and construction ensure stability and durability you can count on in demanding use. Add this memory module to your system and watch your performance skyrocket.

  • newegg DDR2 800 The G.SKILL F2-6400CL5D-4GBNT memory module is rated at 800MHz to deliver up to 6.4GBps bandwidth per channel to deal with the evolving needs of today's operating systems and applications. Cas Latency 5 timing ensures smoother system response.
  • newegg First-Class Quality Superior components, quality construction, and rigorous testing guarantee reliability and stability for use in challenging environments.

Learn more about the G.SKILL F2-6400CL5D-4GBNT


240-Pin DDR2 SDRAM

Tech Spec

4GB (2 x 2GB)
DDR2 800 (PC2 6400)
Cas Latency
Multi-channel Kit
Dual Channel Kit
Heat Spreader

Manufacturer Warranty

Lifetime limited
Lifetime limited

Quick Info


  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime

Customer Reviews of the G.SKILL F2-6400CL5D-4GBNT

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  • 10/28/2014 5:57:28 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

5 out of 5 eggsExceptional RAM

Pros: I was very surprised to see what a boost the computers received after installing this RAM.

Nice easy install.

Incredible Speed!

Cons: I liked and disliked how it was packaged. It was in there good and tight but that made it hard to get out and I am afraid of breaking it.

Not really a con but as someone else said in their review its Green and not Blue.

Other Thoughts: I was having issues in the very 1st computer I tried. A Acer Veriton M460. I thought the RAM was bad but soon found out the computer does not like 4GB of RAM I had someone else look at it and something in the OS is making it very unstable. I tried another Acer Veriton M460 and it worked great! I was amazed when I looked at how well the computer was running! Before the upgrade the computers were doing 100% disk almost constantly making the computer very slow. I was told I had to do something so I decided to go with a RAM upgrade. It was the only option. I had a lot with just 1GB running Windows 8.1 and just a couple running 2GB my first thought was how could 2GB or 3GB make that much of a difference 2GB were running just as bad at 1GB but I was completely shocked at the change. I pulled up Task Manager and saw the hard drive at 100% but the RAM percent was increasing then the hard drive was decreasing rapidly the computer just started having the RAM do all of the work and not the Hard Drive. The computer then ran like a brand new computer! This was my first time working with G.SKILL DDR2 RAM and I am very pleased and will highly recommend!

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  • Michael B.
  • 10/28/2014 5:24:29 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsHad to replace 3 times

Pros: I'd give pros if it worked.

Cons: I've had to send this memory back three times. Every single set I've received has been bad. One set wouldn't even boot (one stick was bad). The second set would boot, but blue screen immediately after booting (again, one stick was bad). The third set worked the longest, however there were frequent game and program crashes, and finally I started noticing blue screens.

Prior to ordering this memory, and in between waiting for new sets to be shipped to me after returning them, I have been using two 1gb sticks of memory of the same speed and timing in the same slots. I haven't experienced a single game, program, or computer crash while using them, which means that this memory that I purchased from G. Skill is indubitably the culprit.

After three times of having to return the memory, I'm asking for a refund and going to go with a different brand. G. Skill might still have my business for high end gaming RAM, but they've completely lost my business for anything else.

Manufacturer Response:

Dear Customer

We are sorry to hear you had such a bad experience. This is almost an impossible scenario. In the future, please RMA the memory directly to us, or contact us directly if you have any problems. All memory kits directly from G.Skill should work flawlessly; but through a third party, we can not be certain. This is a very popular memory kit that works great for DDR2 computers. With 4GB, your computer should be nice and smooth without a glitch. For any further questions or concerns, please don't hesitate to let us know.

Thank you

Quality and customer service are our top priorities.

Tech Support Email:
RMA Dept Email:
G.Skill Forum:

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  • Charles T.
  • 10/21/2014 3:22:01 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSo Good, Had to Get Another!!

Pros: GSkill Quality. Performs as good or better than higher priced brands. This isn't "budget" RAM, even if the price is lower.

Well packaged.

GSkill Lifetime Warranty & Dedication to Customer Service.

Cons: My PC didn't ship with it pre-installed.

GSkill doesn't manufacture SSD's.

They're no longer $30 per set as in 2011.

These aren't really cons, but all would be great to have.

Other Thoughts: GSkill, as I stated above, has outstanding, high quality RAM, and has been my "go to" source for RAM since 2011 (an 8GB set for $30 was the kickoff), this makes my 4th set purchased. Not one bad stick have I had, no problems, and if there were, I have no doubt that GSkill will make things right.

My personal opinion, GSkill is an underappreciated brand, many times overshadowed by bigger names. However, no doubt, the GSkill name is now growing and more customers knows of the company than when I first discovered the brand in 2011. The price may be lower than others, but the quality is every bit as good as any other RAM manufacturer. They skimp on nothing, even the packaging. In fact, I've seen other brands packaged sloppier & with the potential for damage in transit.

GSkill is the only brand I recommend today, I once had a prior favorite, but the folks there let me down. I don't believe the ones at GSkill will do the same. Anytime I see a negative review, the GSkill staff seems to be rushing to be the first to post an answer, and those are the things I like to see. A company who cares about customer service.

That's a trait that few companies has today. I'm happy to have GSkill as an upgrade partner for my RAM needs.

And as always, one of my eggs are for the folks at Newegg, whom continues to have the best selection for every need, regardless of budget. The Newegg Family works as hard as any distributor to keep their customers happy. Sometimes, we may not like the shipping, but hey, there's options to get it to us fast when in dire need. Few companies offers Free Ship anymore, and most that does, has a catch.

Newegg is my #1 trusted source for PC components.

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  • Gregory W.
  • 10/1/2014 9:58:03 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAnother quality G.Skill product

Pros: Expanded memory to max and it works great. No problems being recognized by computer.

Cons: none

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  • Christian C.
  • 9/21/2014 7:06:48 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPerfect DDR2

Pros: reliable, takes overclock without any problems, good speeds

Cons: none

Other Thoughts: I have this kit since 2011 and it's still working like day one!!! This was installed on an ITX system that I now use as a media center plugged on my TV. Well worth the spending if you want RAM that is gonna last decades!

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  • Richard H.
  • 9/20/2014 5:21:52 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWham, Bam, Thank You RAM

Pros: Good value for the price. actually a bit faster than the 4GB I already have installed. I normally buy Crucial or Corsair but based on reviews, I thought I'd try this for the same price. It is lower latency than most of the double sticks sold by the others. Molded Plastic wrapper made me a bit leary, no anti-static wrapper, but it worked fine

Cons: Packing, stupid plastic, hard to cut, impossible to tear, let memory sticks slide around a bit. Shame on them for not using a sleeve or something.

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  • david p.
  • 9/2/2014 4:53:22 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsflawless

Pros: good speed
wasn't doa

Cons: none

Other Thoughts: what can you expect

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  • Taylor V.
  • 8/30/2014 12:14:27 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsinstall & go

Pros: Reliably and compatible

Cons: Never had a problem

Other Thoughts: After years of building computers for other people and having top of the line, high rated memory fail I stopped screwing around with reviews and sales... it's G-skill first and Kingston other memory will reach my machines.

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  • Robert G.
  • 8/10/2014 9:01:17 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks as it should

Pros: It works and is compatible, would buy again.

Cons: none

0 out of 1 people found this review helpful. Did you? Yes No

  • Zak D.
  • 8/8/2014 5:55:51 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Memory

Pros: Plug and Play Dual Channel Memory Upgrade, Great Quality Control, Lower Cas Latency, Great kit for the home or company computer to increase multitasking ability.

Cons: It doesn't cook for you... There is no cons with G.Skill Memory. You get quality ram every time.

Other Thoughts: I have switched brand loyalties to G.Skill exclusively about 2 years ago after having had over 10 kits from corsair all have some problem or another. I build computers and fix my family and friends computers as a hobby and in the past 2 years I have ordered in upwards of 10 dual channel kits from G.Skill and all of them have been plug and play kits that set themselves up. Have yet to receive a bad stick from them as their company has extremely high quality control. If you are looking to upgrade your computer trust G.Skill to get the job done the first time. This kit was used to upgrade a Dell OptiPlex 360 Slim Desktop.

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Item#: N82E16820231207
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