24GB (3X8GB) DDR3 PC3-10600 1333 MHz Hynix Memory for HP PROLIANT Capacity per Module: 8GB Total Density: 24GB(3X8GB) Memory Features: ECC Memory, Registered Type: DDR3 DIMM SDRAM MPN: hp: 500662-B21/500205-071,HMT31GR7BFR4C-H9, M393B1K70BH1-CH9, M393B1K70CHD-CH9 Number of Pins: 240 Bus Speed: PC3-10600 DDR3 RANK: 2Rx4 Dural Typical Oerating Supply Voltage: 1.5V Compatibility: HP PROLIANT DL160 G6 DL160SE G6 DL170H G6 DL180 G6 Warranty: 90 Days Replacement This Memory for Workstation and Server ONLY!!!!!!