HP Compaq 8GB Dual Rank x4 PC3L-10600 Reg CAS-9 LP Memory Kit/S-Buy 647897-B21 HP 8GB (1x8GB) Dual Rank x4 PC3L-10600 (DDR3-1333) Reg CAS-9 LP Memory Kit/S-Buy - 8 GB (1 x 8 GB) - DDR3 SDRAM - 1333 MHz DDR3-1333/PC3-10600 - ECC - Registered - 240-pin - DIMM HP 8GB (1x8GB) Dual Rank x4 PC3L-10600 (DDR3-1333) Reg CAS-9 LP Memory Kit/S-Buy 8 GB (1 x 8 GB) - DDR3 SDRAM - 1333 MHz DDR3-1333/PC3-10600 - ECC - Registered - 240-pin - DIMM