Product Specifications Size 32GB (8 X 4GB) Type DDR2 ECC FB Speed PC2-5300 Cas latency CL5 Pins 240PIN Compatible part numbers A2257183, A2336961, A2146192, A2257178, A2257179, A2257180, A2257181, A2257182, A2257183, A2257184, A2257185, A2257232, A2257233