HP/Compaq 483401-B21 4GB (2X2GB) 667MHz PC2-5300 ECC DDR2 SDRAM DIMM Genuine HP Memory Kit for Proliant Server BL260C DL180 DL165 DL185 G5, New Item 4GB (2X2GB) 667MHz PC2-5300 ECC DDR2 SDRAM DIMM Memory Kit