Altrix SN-5557 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN5557-XT · Released 2019 · Updated 2026-10-19
Key facts
| Benchmark index | 6,156 (SSDs scale) |
|---|---|
| Category rank | #31,566 |
| Street price | $99 |
| Power | 5 W (active) |
| Performance per dollar | 62.18 |
| Released | 2019 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-5557 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 3,100 MB/s |
| Sequential write | 2,400 MB/s |
| Random 4K read | 560K IOPS |
| NAND | 3D TLC, 218-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
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| Altrix SN-8685 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,471 | $449 | Compare |
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| Caldera SN-1175 Pro 1TB PCIe 4.0 NVMe M.2 2230 SSD | 5,975 | $79 | Compare |
| Strivon SN-9704 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,556 | $339 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-5557 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/17514681 (accessed 2026-10-19).