HPE Alletra Storage MP vs Pure Storage FlashArray //XL
Side-by-side specifications from the vendors' own documents. HPE Alletra Storage MP is a modular, disaggregated scale-out storage architecture that provides software-defined block, file, and object capabilities on a single shared hardware platform. The Pure Storage FlashArray //XL is an enterprise modular all-NVMe storage system built for massive scale, extreme IOPS, and deterministic sub-millisecond response times.
| HPE Alletra Storage MP | Pure Storage FlashArray //XL | |
|---|---|---|
| Brand | HPE | Pure Storage |
| Status | current | current |
| Released | Apr 2023 | Dec 2021 |
| Form factor | 2U rack | 5U rack |
| Cpu sockets | 2 | — |
| Cpu platform | Dual Controller Nodes with AMD EPYC Embedded Processors | — |
| Memory slots | 16 | — |
| Memory type | DDR5 ECC Registered RDIMM | — |
| Memory max (GB) | 1,024 | — |
| Drive bays | Up to 24 NVMe SSDs in a 2U dual-node enclosure; disaggregated NVMe-oF expansion shelves | — |
| Pcie slots | Dual-node redundant controller sleds with dedicated PCIe Gen5 interconnects | — |
| Gpu support | — | — |
| Network onboard | 100GbE / 200GbE RoCEv2 NVMe-oF or 32Gb/64Gb Fibre Channel host interface cards | — |
| Raw capacity | Scales from 15.3TB to multi-petabyte unified block and file storage | Up to 5.5PB raw |
| Power supply | Dual redundant 1600W hot-plug Titanium power supplies | — |
| Controller configuration | — | Dual active-active modular controllers in 5U enclosure |
| Processor | — | Dual Intel Xeon Scalable processors per controller (multi-socket modular architecture) |
| Operating system | — | Pure Storage Purity//FA |
| Effective capacity | — | Up to 16.5PB effective with data reduction |
| Drive media | — | NVMe DirectFlash Modules (DFMs: 9.1TB, 18.2TB, 36.4TB, 75TB) |
| Connectivity | — | 64Gb/32Gb FC, 100GbE/25GbE iSCSI, and NVMe-oF (TCP/RoCE) |
| Data reduction | — | Inline deduplication and compression |
| Management | — | Pure1 and Purity REST API |
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