4GB (1 x 4GB) DDR2 667MHz PC2-5300 / 800MHz PC2-6400 240-PIN DIMM DESKTOP MEMORY

168-PIN SDRAM DIMM. CAS LATENCY:CL5 (667MHz)/ CL6 (800MHz) SPEED:PC2-5300 (667MHz)/ PC2-6400 (800MHz)- two separate modules available at each speed. 240-PIN DDR2 DIMM. 168-PIN SDRAM ECC REG DIMM. 184-PIN DDR DIMM.

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