HPE P64705-B21 16GB PC5-44800 DDR5-5600MT/s 1Rx8 ECC Memory – P73143-B21

HPE 16GB DDR5-5600 PC5-44800 ECC Registered DIMM — P73143-B21

The HPE P73143-B21 is a 16GB DDR5-5600 ECC Registered DIMM (RDIMM) designed for HPE ProLiant Gen11 servers. Operating at 5600 MT/s with 1.1V supply voltage, this single-rank x8 module delivers next-generation memory performance with on-die ECC and improved power efficiency over DDR4. Ideal for virtualization, database, and cloud workloads requiring high bandwidth and data integrity.

Key Specifications

• Part Number / MPN: P73143-B21
• Capacity: 16GB
• Type: DDR5 SDRAM
• Speed: 5600 MT/s (DDR5-5600)
• PC Rating: PC5-44800
• Form Factor: 288-Pin DIMM
• Error Correction: ECC (Error Correcting Code)
• Module Type: Registered DIMM (RDIMM)
• Ranks: Single Rank (1Rx8)
• DRAM Organization: x8
• Voltage: 1.1V

Performance

• Data Transfer Rate: 5600 MT/s
• Bandwidth: Up to 44,800 MB/s

Features

• ECC (Error Correcting Code) — detects and corrects single-bit errors
• On-Die ECC (ODECC) — built into DDR5 DRAM dies
• Registered (buffered) design for improved signal integrity
• SPD (Serial Presence Detect) programmed
• RoHS compliant
• Thermal sensor onboard
• Improved power efficiency vs DDR4 (1.1V vs 1.2V)

Physical & Environmental

• Pin Count: 288-pin
• Form Factor: DIMM (full-height)
• Operating Temperature: 0°C to 85°C
• Storage Temperature: -55°C to 100°C
• Operating Voltage: 1.1V

Compatibility

• Designed for HPE ProLiant Gen11 servers (DL, ML, BL series)
• Compatible with Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids, Emerald Rapids) platforms
• Compatible with AMD EPYC 9004 series (Genoa) platforms
• Requires server motherboard with DDR5 RDIMM support
• Not compatible with consumer desktop or laptop platforms