Altrix SN-7558 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN7558-ULTRA · Released 2020 · Updated 2026-10-20
Key facts
| Benchmark index | 8,793 (SSDs scale) |
|---|---|
| Category rank | #22,322 |
| Street price | $199 |
| Power | 7 W (active) |
| Performance per dollar | 44.19 |
| Released | 2020 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-7558 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,700 MB/s |
| Sequential write | 6,400 MB/s |
| Random 4K read | 1,370K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 1 GB |
| Endurance | 600 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-8636 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,533 | $229 | Compare |
| Strivon SN-2619 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,286 | $389 | Compare |
| Strivon SN-9250 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,844 | $489 | Compare |
| Mirenta SN-7489 Core 1TB SATA 2.5-inch SSD | 4,345 | $39 | Compare |
| Caldera SN-1316 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,240 | $209 | Compare |
| Altrix SN-2316 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,757 | $229 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-7558 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20082023 (accessed 2026-10-20).