HP 4GB 1Rx4 PC3-12800R DDR3-1600 ECC Registered Memory Module (647648-571) is an enterprise server memory module designed for compatible HP ProLiant servers and HP Z-series workstations. It provides 4GB of ECC Registered DDR3 SDRAM operating at 1600MHz, with single-rank x4 organization, CL11 timings, and 1.5V operation. The exact part number 647648-571 is documented as a 4GB PC3-12800R 1Rx4 RDIMM.
- Part Number: 647648-571
- Related HP Part Number: 647648-071
- Manufacturer: HP / Hewlett-Packard
- Product Type: ECC Registered Server Memory
- Capacity: 4GB
- Memory Type: DDR3 SDRAM
- Memory Speed: 1600MHz
- Memory Standard: PC3-12800R / DDR3-1600
- ECC: Yes
- DIMM Type: Registered DIMM (RDIMM)
- Rank: Single Rank (1Rx4)
- CAS Latency: CL11
- Pin Count: 240-pin
- Voltage: 1.5V
- Module Configuration: 1 × 4GB
- DRAM Organization: x4
- Application: Enterprise Server and Workstation Memory
- Compatible Systems: Selected HP ProLiant Gen8 servers, including DL160 G8, DL360e G8, DL360p G8, DL380e G8, DL380p G8, DL385p G8, DL560 G8, ML350e G8 and ML350p G8; also compatible with supported HP Z620/Z820 workstation configurations.