Altrix SN-8491 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN8491-EDGE · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 12,411 (SSDs scale) |
|---|---|
| Category rank | #34,985 |
| Street price | $419 |
| Power | 6 W (active) |
| Performance per dollar | 29.62 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-8491 Edge |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,000 MB/s |
| Sequential write | 6,200 MB/s |
| Random 4K read | 1,250K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 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 |
|---|---|---|---|
| Novexa SN-7055 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,380 | $139 | Compare |
| Altrix SN-4400 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD | 9,429 | $219 | Compare |
| Altrix SN-2823 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,705 | $139 | Compare |
| Novexa SN-6785 SE 2TB PCIe 3.0 NVMe M.2 2280 SSD | 12,929 | $449 | Compare |
| Novexa SN-5332 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,959 | $399 | Compare |
| Strivon SN-8982 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,261 | $329 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-8491 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4151383 (accessed 2026-10-21).