NetApp AFF A50 vs Pure Storage FlashArray //X20 R4
Side-by-side specifications from the vendors' own documents. The NetApp AFF A50 is a compact 2U dual-controller all-flash array designed for mid-sized enterprise environments, regional data centers, and departmental workloads. The Pure Storage FlashArray //X20 R4 is a modern 3U all-NVMe flash array powered by Intel Xeon Scalable processors and PCIe Gen 4 architecture.
| NetApp AFF A50 | Pure Storage FlashArray //X20 R4 | |
|---|---|---|
| Brand | NetApp | Pure Storage |
| Status | current | current |
| Released | Oct 2024 | Jun 2023 |
| Form factor | 2U rack | 3U rack |
| Controller configuration | Dual active-active controllers in 2U chassis | Dual active-active controllers in 3U enclosure |
| Processor | Intel Xeon processors per controller | Intel Xeon Scalable multi-core processors per controller (PCIe Gen 4) |
| Memory | 128GB system memory per HA pair with NVRAM | — |
| Drive bays | Up to 24x internal 2.5-inch NVMe SSDs in 2U chassis | — |
| Supported drives | NVMe TLC SSDs (1.9TB to 15.3TB) | — |
| Maximum raw capacity | Up to 70PB in a 24-node cluster | — |
| Host connectivity | PCIe slots supporting 25GbE, 10GbE, and 32Gb Fibre Channel | — |
| Storage protocols | NVMe/FC, NVMe/TCP, FC, iSCSI, NFS, SMB, S3 | — |
| Clustering | Up to 24 nodes (12 HA pairs) | — |
| Management | NetApp ONTAP 9 | Pure1 AI-powered management |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 345TB raw |
| Effective capacity | — | Up to 1.1PB effective with 3.3:1 data reduction |
| Drive media | — | NVMe DirectFlash Modules (DFMs: 4.5TB, 9.1TB, 18.2TB, 36.4TB) |
| Connectivity | — | 10GbE/25GbE/100GbE iSCSI, NVMe/TCP, NVMe/RoCE, and 16Gb/32Gb/64Gb FC |
| Data reduction | — | Always-on inline deduplication and compression |
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