Altrix SN-1255 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN1255-XT · Released 2021 · Updated 2026-10-20
Key facts
| Benchmark index | 7,107 (SSDs scale) |
|---|---|
| Category rank | #49,491 |
| Street price | $149 |
| Power | 7 W (active) |
| Performance per dollar | 47.70 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-1255 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,500 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 1,340K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 TBW (0.33 DWPD) |
| Warranty | 5 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-5370 Max 1TB SATA 2.5-inch SSD | 4,483 | $49 | Compare |
| Strivon SN-3921 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,364 | $179 | Compare |
| Novexa SN-9978 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,385 | $399 | Compare |
| Altrix SN-1736 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,099 | $299 | Compare |
| Novexa SN-7388 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,778 | $499 | Compare |
| Altrix SN-7063 Core 500GB SATA 2.5-inch SSD | 3,473 | $29 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-1255 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/745241 (accessed 2026-10-20).