Choosing the right storage interface impacts performance, cost, and compatibility. This guide compares SAS, NVMe, and SATA for enterprise servers.
Interface Comparison
| Feature | SAS | NVMe | SATA |
|---|---|---|---|
| Max Bandwidth | 22.5 Gbps (24G SAS) | ~63 Gbps (PCIe 4.0 x4), ~126 Gbps (PCIe 5.0 x4) | 6 Gbps |
| Latency | Low | Ultra-low | Medium |
| Queue Depth | 254 | 65,535 | 32 |
| Hot-swap | Yes | Yes (U.2/U.3) | Yes |
| Best For | Mixed workloads | High IOPS, AI/ML | Budget storage |
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