PC Stats posted a review on the SyncMAX PC2-5300 DDR2-667 Express Memory

The SyncMAX PC2-5300 Express memory has been certified to run in a dual channel configuration at speeds of 667 MHz with CAS latency timings of 4-4-4. The memory can also be run at 533 MHz (PC2-4300) with tighter CAS 3-3-3 timings if one so chooses. The SyncMAX PC2-5300 Express that passed through the PCSTATS test labs today were good if you keep the target audience in mind.

SyncMAX PC2-5300 DDR2-667 Express Memory Review