Caldera SN-7191 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7191-SE · Released 2022 · Updated 2026-10-23
Key facts
| Benchmark index | 12,979 (SSDs scale) |
|---|---|
| Category rank | #44,910 |
| Street price | $439 |
| Power | 6 W (active) |
| Performance per dollar | 29.56 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7191 SE |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,200 MB/s |
| Random 4K read | 940K IOPS |
| NAND | 3D TLC, 176-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 |
|---|---|---|---|
| Strivon SN-8743 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,564 | $519 | Compare |
| Novexa SN-9367 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,003 | $339 | Compare |
| Novexa SN-1387 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,953 | $189 | Compare |
| Caldera SN-1318 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,156 | $389 | Compare |
| Strivon SN-5142 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,866 | $399 | Compare |
| Novexa SN-4479 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD | 12,043 | $419 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7191 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4033189 (accessed 2026-10-23).