Altrix SN-4975 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN4975-ULTRA · Released 2022 · Updated 2026-10-22
Key facts
| Benchmark index | 6,567 (SSDs scale) |
|---|---|
| Category rank | #32,291 |
| Street price | $89 |
| Power | 6 W (active) |
| Performance per dollar | 73.79 |
| Released | 2022 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-4975 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,700 MB/s |
| Sequential write | 4,300 MB/s |
| Random 4K read | 1,150K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
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| Altrix SN-7630 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,526 | $599 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-4975 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3770243 (accessed 2026-10-22).