HPE 128GB 8Rx4 PC4-2400U-L DDR4 ECC Load-Reduced Memory Kit (809208-B21) is a high-capacity server memory module designed for compatible HPE ProLiant Gen9 servers and HPE enterprise platforms. It provides 128GB of DDR4 SDRAM operating at 2400MHz with PC4-19200 bandwidth, ECC protection, and Load-Reduced DIMM (LRDIMM) technology. The module uses an octal-rank x4 (8Rx4) architecture and a 288-pin form factor, making it suitable for high-density memory expansion in enterprise server environments. HPE QuickSpecs identify 809208-B21 as the 128GB (1×128GB) Octal Rank x4 DDR4-2400 CAS-20-18-18 Load Reduced Memory Kit.
- Part Number: 809208-B21
- Manufacturer: HPE / HP
- Capacity: 128GB
- Memory Type: DDR4 SDRAM
- Memory Speed: 2400MHz
- Memory Standard: PC4-19200 / DDR4-2400
- ECC: Yes
- Buffered Type: Load-Reduced DIMM (LRDIMM)
- Registered: Yes
- CAS Latency: CL20
- Timing: 20-18-18
- Form Factor: LRDIMM
- Pin Count: 288-pin
- Voltage: 1.2V
- Module Configuration: 1 × 128GB
- Rank: Octal Rank (8Rx4)
- DRAM Width: x4
- Organization: 16G × 72
- Application: Server Memory
- Compatible Systems: HPE ProLiant DL360 Gen9, DL380 Gen9, ML350 Gen9, BL460c Gen9, BL660c Gen9, DL560 Gen9, DL580 Gen9, HPE Apollo systems, HPE Synergy Gen9 and other supported platforms.
- Spare Part Number: 819415-001
- Assembly Part Number: 809086-091
- Memory Architecture: ECC Load-Reduced DDR4 LRDIMM
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