Altrix SN-8557 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN8557-SE · Released 2026 · Updated 2026-10-26
Key facts
| Benchmark index | 8,064 (SSDs scale) |
|---|---|
| Category rank | #3,521 |
| Street price | $159 |
| Power | 6 W (active) |
| Performance per dollar | 50.72 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-8557 SE |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,000 MB/s |
| Random 4K read | 1,390K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 720 TBW (0.33 DWPD) |
| Warranty | 3 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
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| Altrix SN-4256 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,557 | $529 | Compare |
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| Caldera SN-2295 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,183 | $519 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-8557 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/22554092 (accessed 2026-10-26).