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Patriot PDC22G8000+XBLK

The second memory kit from Patriot to be tested in this review is called PDC22G8000+XBLK. Products from this manufacturer marked as “XBLK” are two-module kits that are able to work at high frequencies with low latencies. The Patriot PDC22G8000+XBLK kit, in particular, is not just capable of working at 1GHz, but with 4-4-4-12 timings at 2.2V voltage. The kit consists of two 1GB DDR2 SDRAM modules.

The heat-spreaders installed on the modules are not just aluminum bars, but have some ribbing. This enlarges the surface area to improve heat dissipation. Perhaps this is the reason why Patriot’s PDC22G8000+XBLK memory, based on widespread chips from Micron, features such extraordinary characteristics.

Besides the model name, capacity, default bandwidth and frequency, the module marking that you can read on the sticker offers some extra information. Particularly, it says that the Patriot PDC22G8000+XBLK can be used at 667MHz with 3-3-3 timings, which is an indication of a certain versatility of this DDR2 SDRAM kit.

The information written into the modules’ SPD unit differs from the official specification. The manufacturer took care to make the modules compatible with different mainboards, leaving the option of correctly setting them up to the user.

So, the SPD chip stores information about using the module at 400, 533 or 800MHz.

As for practical tests, the Patriot PDC22G8000+XBLK modules proved to be the fastest among all the memory kits included in this review.

They stopped just a little short of 1067MHz at 4-4-4-12 timings, but notched 1145MHz at 5-5-5-15 timings. Note that the Patriot PDC22G8000+XBLK kit remained stable at the highest frequency (among the tested memory kits) at 3-3-3-10 timings, although couldn’t reach the 800MHz point. The maximum stable frequency was 775MHz at such timings.

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