Product Id: 29779725
Description: AddOn - DDR3 - 8 GB - DIMM 240-pin - 1866 MHz / PC3-14900 - CL13 - 1.5 V - registered - ECC
Mfr Part #: 731761-S21-AMKThis HP 731761-S21 compatible 8GB DDR3-1866MHz Single Rank Registered ECC 1.5V 240-pin CL13 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All the memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements.