Normally $94.99, now after free shipping, coupon code "OCZTEN" for 10% (expires today), and $30 mail in rebate, $54.59. Features 9-9-9-24 timing at 1.65 volts with a Cas latency of 9. Comes with a lifetime limited warranty. 3/5 eggs with 60 total reviews.
10% off coupon code: OCZTEN
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OCZ Obsidian ram is the devil. This is coming from an experienced IT technician. It's not impossible to get it to run its spec I'm sure... but man, it's a pure pain in the ass. After rigorous testing, I could not get 1600mhz stable on a 6GB kit that I used on an i7 triple-channel platform. Now I don't know if the 4gig dual-channel has the same issues, and I'm sure dual-channel deals with less stress, but I did get the 6GB kit to work at 1333mhz after HOURS AND HOURS of work.
Well, a few weeks later, the client I built the machine for is telling me that the machine randomly reboots, and it's become more and more often. Before I deployed the machine to my client, I put it through tons of stress testing that it was able to pass at 1333mhz (after hours of tweaking of course).
I'm NEVER going to buy OCZ Obsidian again, ever... unless it was EXTREMELY cheap and for myself. I would not recommend this stuff to anyone that's not a professional. Even as a professional, I wouldn't waste my valuable time.
Before buying this RAM, know you are taking a risk. You may get lucky, more than likely you won't. Prepare to run the ram below its spec if you want stability.
their customer service is pretty good though. I ran through all sorts of tweaks with them when my system wouldnt boot with their ram. They eventually sent out a more expensive set free of charge after I had exhausted all their ideas.
btw - anyone know what will happen if i mix cas 7 ram with this?
cardboardbox said: their customer service is pretty good though. I ran through all sorts of tweaks with them when my system wouldnt boot with their ram. They eventually sent out a more expensive set free of charge after I had exhausted all their ideas.
btw - anyone know what will happen if i mix cas 7 ram with this? WHO sent out a more expensive kit, OCZ or Newegg?
Also, if you mix CAS 7, just make sure you run everything as weak as the weakest link... meaning, if both kit are 1600mhz, but one is CAS 7 and the other is CAS 9, then set your BIOS settings to CAS 9... don't forget, though, that all other timings are almost equally as important. More importantly, the 4 main timings: CAS, tRAS, tRCD, tRP. And of course my guess is the command rate (CPC) should be 2T.
g0dMAn said: WHO sent out a more expensive kit, OCZ or Newegg?
Also, if you mix CAS 7, just make sure you run everything as weak as the weakest link... meaning, if both kit are 1600mhz, but one is CAS 7 and the other is CAS 9, then set your BIOS settings to CAS 9... don't forget, though, that all other timings are almost equally as important. More importantly, the 4 main timings: CAS, tRAS, tRCD, tRP. And of course my guess is the command rate (CPC) should be 2T.
Again, WHO sent out the more expensive kit?OCZ sent it to me (originally purchased at frys). They had some ram that did not like my mobo at all.
cardboardbox said: So you're saying its best to match up the cas latency on all my ram, but does the timing need to match also?It doesn't always have to, as long as you keep them in corresponding channels (check your motherboard manual), but I always recommend matching voltage and timings to avoid stability issues, especially with cheaper boards. Oh, and I'll echo the previous poster's comments of setting everything to the speed of the weakest link. That's solid advice.
squinky86 said: cardboardbox said: So you're saying its best to match up the cas latency on all my ram, but does the timing need to match also?It doesn't always have to, as long as you keep them in corresponding channels (check your motherboard manual), but I always recommend matching voltage and timings to avoid stability issues, especially with cheaper boards. Oh, and I'll echo the previous poster's comments of setting everything to the speed of the weakest link. That's solid advice. Thanks squinky for the echoing, but I must say... you brought up another EXTREMELY IMPORTANT point that I stupidly overlooked: You're going to want to match RAM voltage as closely as possible... that's very true and thanks for bringing that up!
Note that this "Dual Channel for Intel Core i5 & i7 CPU & P55 chipset" as stated on Newegg's page. I got a pair for an Athlon AM3 system and it is very unstable at 800 and even 667. It will only run at 533 for an extended period of time, and even then it seems to have memory hiccups every now and then.
I contacted OCZ and they are unhelpful and uncooperative. I would not recommend OCZ memory products due to their shoddy support: "We cannot exchange for incompatibility reasons unfortunately."
"The reason you're seeing these issues is because that memory kit is not compatible and has not been qualified to run on your chipset. The memory you have was designed to run on the Intel i5 platform with a P55 chipset.
I recommend going back through the vendor you purchased the memory from in order to exchange for a compatible non low voltage dual channel memory kit." <-- (this after Newegg's return period had already passed)
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