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OCZ OCZ2VU8002GK DDR2 PC2-6400 800MHz 2GB (2x1024)

Originally posted by: cuti7399
is there a review for this memory? Its spec says 2.1V but I'm running 1.9V @840mhz.

If it's stable, then be happy 😀

Many times, companies will spec voltage higher because some boards will undervolt, and also sometimes because the chips (just like CPU's) can be better/worse and need higher/lower voltage to run at.
 
Congrats. Mine didn't POST on two motherboards, but worked on both after manually setting the timings using different RAM. CAS 5 needing 2.1v? That tells me this isn't really DDR2-800. I got a good deal on it, otherwise I wouldn't have bought it.
 
It seems that there is a growing problem with this ram, there is a debate that it isn't actually DDR2-800. I'm not sure whether this is just that it's not compatible with most boards or not. I saved myself the headaches and hours of troubleshooting and bought Gskills 4GB DDR2-677 kit and it has been working great for me.
 
this indicates:
1. You lucked out and got a quality chip (we don't have star trek replicators, there are minute variations in electronics construction resulting in varying performance, the spec is the MIN performance they expect from MOST parts. The parts that don't perform to it are called "defective")
2. You are using a quality mobo (higher quality mobo allows better ram stability.
3. You are using a quality PSU.

Cheers!
 
Originally posted by: mentalcrisis00
It seems that there is a growing problem with this ram, there is a debate that it isn't actually DDR2-800.

I personally don't think it is. AFAIK JEDEC specifies that PC6400 runs at 800MHz, CAS 5, 1.8v, and likely that's what IC manufacturers aim for. Any CAS 5 PC6400 that the module manufacturer says needs more than 1.8v to run at 800MHz CAS 5 is therefor not "real" PC6400.

Besides the OCZ 2x1GB Vista Upgrade kit, I have an OCZ 2x2GB Vista Upgrade kit as well. OCZ also specifies more voltage than 1.8v for their 2x2GB kit. Additionally, CPU-Z reports that the SPD of the RAM only has DDR2-667 timings in it. Hmmm...

How about a CPU-Z screenshot?
(ignore the version number... haven't downloaded latest one on this system yet)

Manufacturer (ID): OCZ
Size: 2048 MBytes
Max bandwidth: PC2-5300 (333 MHz)
Part number: OCZ2VU8002G
 
forgive me I was referring to laptop Ram, seeming OCZ is one of the few companies putting out DDR2-800 ram for laptops I've seen people having a lot of problems with board compatibility and having it detect as "true" DDR2-800 speed. I haven't looked at desktop hardware for 3 or so years so I have no idea, I'm still running DDR400 ram on it.
 
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