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G.SKILL PIS Series 2200MHz CL7 (2 x 2GB) Kit Review

G.Skill is a prominent maker of DDR3 SDRAM, known for their reasonable prices and high clocking kits, their PI series is no exception. Today we will take a look at one of their legendary kits, the F3-17600CL7D-4GBPIS which boasts some pretty nice specs. It is rated to run at DDR3 2200 with a low CAS Latency of only 7. Let's see how this famous P55 era kit runs on the Z68 platform.

So today we have our hands on a really well speced kit, the PIS 2200 4GB kit with timings of 7,10,10,28 CR2 at 1.65v. These timings and speed can be loaded through XMP profiles on most P55 and X58 boards, and also with profiles on AMD 990FX platform with a Bulldozer processor. Yet we run into an issue with the LGA1155 platform, in that we are limited to a 21.33 memory divider and only slight BLCK adjustment, so we brought in the Maximus 4 Gene-Z because of ASUS's good reputation with LGA1155 memory clocking. This kit isn't a new one to hit the market; in fact it was released back in the P55 days, and optimized for that platform. Many overclockers have taken it for a spin, and it seems to perform very well even at its rated speed, but what would this review be without some tweaking?  

The re-emergence of this kit shouldn't come as a surprise, since most manufactures think that overclockers are fine with lower voltage and higher CAS latency, but that is just not the case. Overclockers wouldn't mind pushing some extra juice into their memory, as long as the ICs can take it and it helps clocking. When we look at G.Skills competition, we find many high priced kits with worse specs. In fact on Newegg we can't even find DDR3 2200mhz kits with anything lower than CAS 9, what makes it worse is that a year ago the line would be full with low latency high speed kits. Whether this is due to a lack of good memory ICs, or by the emergence of higher density kits, we do not know. What we do know is that this kit is most likely based upon PSC modules, and not BBSE, but G.Skills policy is to not reveal the ICs used. What we were told is that if G.Skill has ICs that fit the bill and can work at these specs , then they will be sold as such. The only way we know that these as PSC is by other user’s experiences with them, as well as the fact that they don’t scale much past 1.72v and that the tRCD is very hard to lower past 2100mhz, both characters of PSC based memory. 

Here are the specs straight from G.Skill.:

Designed For Intel P55
Capacity 4GB (2x2GB)
Speed DDR3 2200MHz
Latency 7-10-10-28 2N
Voltage 1.65v
Registered / Unbuffered Unbuffered 
Error checking Non-ECC
Warranty Lifetime 


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