HPE 128GB 4Rx4 PC5-5600AA-R MRDIMM Smart Memory Gen12
Brand: HPE | Category: Memory (RAM)
SKU: P68240-B21 | Part #: P68240-B21 | MPN: P68240-B21
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About the HPE 128GB 4Rx4 PC5-5600AA-R MRDIMM Smart Memory Gen12
This 128GB capacity delivers the maximum memory density required for next-generation enterprise servers, allowing infrastructure teams to architect systems with unprecedented per-socket memory ceilings. The HPE 128GB 4Rx4 PC5-5600AA-R MRDIMM Smart Memory Gen12 (part number P68240-B21) is engineered for HPE ProLiant Gen12 servers and represents the intelligent evolution of enterprise-grade memory technology, combining raw capacity with advanced reliability features that hyperscale operators, storage architects, and database-intensive workload teams demand.
Built on the DDR5 standard with a 5600 MT/s transfer rate, this registered MRDIMM module delivers performance gains essential for latency-sensitive applications while maintaining the error resilience required in mission-critical environments. The quad-rank configuration (4Rx4) with x4 subrank width maximizes addressable memory within standard 288-pin DIMM form factors. HPE Smart Memory technology integrates post-package repair (PPR), advanced error correcting code (ECC), and thermal monitoring to ensure system stability across demanding workloads. Operating at the DDR5 standard voltage of 1.1V, this module aligns with JEDEC DDR5 MRDIMM specifications, guaranteeing compatibility and future-proofing investments in HPE infrastructure. IT procurement teams and capacity planners will appreciate the registered/buffered architecture that reduces signal integrity risks in high-density memory configurations.
Key Specifications
- Manufacturer: HPE
- HPE Part Number: P68240-B21
- Capacity: 128GB
- DDR Generation: DDR5
- Speed Grade: PC5-5600AA-R (5600 MT/s)
- Module Type: MRDIMM (Multiplexer Rank DIMM)
- Rank Configuration: 4Rx4 (Quad Rank, x4 subrank width)
- Form Factor: 288-pin DIMM
- ECC Support: Yes (Advanced ECC)
- Operating Voltage: 1.1V
For detailed specifications, compatibility verification, or volume licensing inquiries, contact Omnixon Global to request an RFQ.
Technical Specifications
| Brand | HPE |
| Category | Memory (RAM) |
| SKU | P68240-B21 |
| Part Number | P68240-B21 |
| Condition | New |
| HPE Part Number | P68240-B21 |
| Module Type | MRDIMM (Multiplexer Rank DIMM) |
| Capacity | 128GB |
| DDR Generation | DDR5 |
| Speed Grade | PC5-5600AA-R |
| Transfer Rate | 5600 MT/s |
| Rank Configuration | 4Rx4 (Quad Rank, x4 subrank width) |
| Form Factor | 288-pin DIMM |
| ECC Support | Yes (Advanced ECC) |
| Registered | Yes (Registered/Buffered DDR5) |
| HPE Smart Memory | Yes |
| Compatible Server Generation | HPE ProLiant Gen12 |
| RAS Features | Post Package Repair (PPR), Error Correcting Code (ECC), thermal monitoring |
| Operating Voltage | 1.1V (DDR5 standard) |
| JEDEC Compliance | JEDEC DDR5 MRDIMM standard |
Frequently Asked Questions about HPE 128GB 4Rx4 PC5-5600AA-R MRDIMM Smart Memory Gen12
Is the HPE 128GB 4Rx4 PC5-5600AA-R MRDIMM Smart Memory Gen12 compatible with my server?
Part number P68240-B21 is qualified for HPE servers that list compatible memory in their QVL. We verify QVL match before quoting — share your server model in the RFQ and our pre-sales engineers confirm fit, recommended population pattern, and total capacity supported.
What support applies to this memory module?
Full manufacturer support (typically 3 years, RDIMM/LRDIMM SKUs often lifetime against manufacturing defects). All product is sourced through distribution so support registers cleanly under your company name.
How do I request a quote?
Submit the RFQ form on this page with your quantity and destination country. Our pre-sales team responds with a vendor-confirmed quote, availability, and matching server-QVL confirmation if needed.