Brand: HPE | Category: Memory (RAM)
SKU: P57427-B21 | Part #: P57427-B21 | MPN: P57427-B21
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HPE ProLiant Gen11 server environments demand premium memory performance, and the HPE 256GB 8Rx4 PC5-4800AA-R RDIMM Smart Memory module (part number P57427-B21) delivers exactly that specification. This DDR5 registered DIMM operates at 4800 MT/s with a PC5-4800 speed rating, providing the high-bandwidth memory architecture required for next-generation enterprise workloads. The 256GB capacity per module, combined with 8Rx4 rank configuration and 288-pin connectivity, ensures maximum density and performance in multi-socket deployments. HPE Smart Memory technology embeds SPD intelligence directly into the module, enabling automatic configuration and optimized system tuning without manual intervention. Operating at 1.1V with full ECC (Error Correcting Code) support across the JEDEC DDR5 standard, this module guarantees data integrity and stability in mission-critical applications. The low-profile RDIMM form factor fits seamlessly into HPE ProLiant Gen11 chassis designs while maintaining thermal efficiency across the 0°C to 85°C operating temperature range.
Data center architects, storage infrastructure teams, and IT procurement departments responsible for high-performance computing clusters choose HPE memory modules because they eliminate compatibility risk and simplify procurement workflows. When upgrading or deploying new HPE ProLiant Gen11 systems, IT leaders need memory that carries manufacturer validation, ensuring warranty support and predictable system behavior. The combination of 256GB capacity, DDR5 technology, and HPE Smart Memory intelligence appeals to organizations running demanding applications—virtualization platforms, analytics workloads, and real-time transaction processing—where memory bandwidth and ECC reliability are non-negotiable.
Omnixon Global stocks genuine HPE memory solutions for enterprise deployment across the Gulf region. For availability, technical validation, and enterprise pricing on the HPE 256GB 8Rx4 PC5-4800AA-R RDIMM Smart Memory (P57427-B21), please submit an RFQ through our technical sales team today.
```| Brand | HPE |
| Category | Memory (RAM) |
| SKU | P57427-B21 |
| Part Number | P57427-B21 |
| Condition | New |
| Manufacturer Part Number | P57427-B21 |
| Module Type | RDIMM (Registered DIMM) |
| Memory Technology | DDR5 |
| Capacity | 256GB |
| Speed | 4800 MT/s |
| PC Speed Rating | PC5-4800 |
| Rank Configuration | 8Rx4 |
| Number of Pins | 288-pin |
| ECC Support | ECC (Error Correcting Code) |
| Form Factor | DIMM |
| Server Compatibility | HPE ProLiant Gen11 |
| Smart Memory | Yes — HPE Smart Memory with embedded SPD intelligence |
| Voltage | 1.1V |
| Module Height | Low Profile (LRDIMM form factor height varies; standard RDIMM profile) |
| Operating Temperature | 0°C to 85°C (standard JEDEC DDR5 operating range) |
| Compliance | JEDEC DDR5 Standard, PC5-4800AA-R |
Part number P57427-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.
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.
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.