Novexa SN-1491 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN1491-ULTRA · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 7,394 (SSDs scale) |
|---|---|
| Category rank | #37,969 |
| Street price | $129 |
| Power | 7 W (active) |
| Performance per dollar | 57.32 |
| Released | 2022 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-1491 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,100 MB/s |
| Sequential write | 3,800 MB/s |
| Random 4K read | 1,390K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 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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Cite this page: Hardware Spec Index, “Novexa SN-1491 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2290347 (accessed 2026-10-19).