Altrix SN-7491 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN7491-PLUS · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 11,669 (SSDs scale) |
|---|---|
| Category rank | #45,616 |
| Street price | $379 |
| Power | 5 W (active) |
| Performance per dollar | 30.79 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-7491 Plus |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,500 MB/s |
| Random 4K read | 830K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | None |
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 |
|---|---|---|---|
| Mirenta SN-5399 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 6,860 | $119 | Compare |
| Caldera SN-4747 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 6,467 | $109 | Compare |
| Caldera SN-5591 SE 1TB SATA 2.5-inch SSD | 4,236 | $39 | Compare |
| Altrix SN-2527 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,052 | $399 | Compare |
| Altrix SN-1077 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,610 | $339 | Compare |
| Strivon SN-3223 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,240 | $549 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-7491 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7490239 (accessed 2026-10-19).