Novexa SN-1991 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN1991-TI · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 14,324 (SSDs scale) |
|---|---|
| Category rank | #1,478 |
| Street price | $579 |
| Power | 8 W (active) |
| Performance per dollar | 24.74 |
| Released | 2021 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-1991 Ti |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,200 MB/s |
| Sequential write | 5,400 MB/s |
| Random 4K read | 880K IOPS |
| NAND | 3D TLC, 218-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 |
|---|---|---|---|
| Altrix SN-8660 Pro 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,349 | $339 | Compare |
| Novexa SN-5864 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,981 | $329 | Compare |
| Strivon SN-4705 Prime 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,907 | $379 | Compare |
| Novexa SN-6985 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,259 | $219 | Compare |
| Strivon SN-7596 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,799 | $289 | Compare |
| Caldera SN-8487 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,103 | $519 | Compare |
Cite this page: Hardware Spec Index, “Novexa SN-1991 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/94559217 (accessed 2026-10-22).