Altrix SN-4557 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN4557-SE · Released 2023 · Updated 2026-10-20
Key facts
| Benchmark index | 7,766 (SSDs scale) |
|---|---|
| Category rank | #12,510 |
| Street price | $159 |
| Power | 6 W (active) |
| Performance per dollar | 48.84 |
| Released | 2023 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-4557 SE |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,400 MB/s |
| Sequential write | 5,100 MB/s |
| Random 4K read | 790K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 480 TBW (0.22 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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| Caldera SN-5247 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,502 | $409 | Compare |
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| Mirenta SN-8674 Max 1TB SATA 2.5-inch SSD | 3,595 | $29 | Compare |
| Novexa SN-2786 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 10,135 | $269 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-4557 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41000119 (accessed 2026-10-20).