HP 16GB PC3-12800R 2RX4 DDR3-1600 ECC REG Memory ModulePart Number:684066-B21 / HMT42GR7MFR4C-PB / 684316-181Product TypeMemory ModuleBrandHPCapacity16GBMemory TypeDDR3-1600Bus TypePC3-12800RError CorrectionECC RegisteredConditions:Seller RefurbishedNOTE: This Memory Is For Server Only , WILL NOT WO..