Memory - 2 x 2 - DIMM 240-pin - - 800 MHz PC2-6400 - CL5 - unbuffered ... PNY DDR2 RAM 2 x 2 GB (KD4GBN16Q800J
Memory - 2 x 2 - DIMM 240-pin - - 800 MHz PC2-6400 - CL5 - unbuffered ... PNY DDR2 RAM 2 x 2 GB (KD4GBN16Q800J - 2 x 2 GB, Unbuffered PC2-6400 DDR2 RAM, 800 MHz, CL5, 2 modules, 4 GB Memory Kit (2x2GB) DIMM 240-pin, DDR2, 800 bus MHz/PC2 -6400, CL5 latency (KD4GBN16Q800J-SB)