Novexa SN-2558 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN2558-ULTRA · Released 2023 · Updated 2026-10-25
Key facts
| Benchmark index | 14,337 (SSDs scale) |
|---|---|
| Category rank | #13,397 |
| Street price | $559 |
| Power | 6 W (active) |
| Performance per dollar | 25.65 |
| Released | 2023 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-2558 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,500 MB/s |
| Random 4K read | 1,230K IOPS |
| NAND | 3D TLC, 238-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-1123 SE 2TB PCIe 4.0 NVMe M.2 2230 SSD | 11,618 | $319 | Compare |
| Altrix SN-7701 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,518 | $529 | Compare |
| Altrix SN-7255 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,264 | $279 | Compare |
| Altrix SN-2625 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,406 | $519 | Compare |
| Caldera SN-2326 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,059 | $309 | Compare |
| Novexa SN-5280 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,717 | $149 | Compare |
Cite this page: Hardware Spec Index, “Novexa SN-2558 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21871134 (accessed 2026-10-25).