Caldera SN-1491 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1491-MAX · Released 2022 · Updated 2026-10-18
Key facts
| Benchmark index | 10,866 (SSDs scale) |
|---|---|
| Category rank | #34,519 |
| Street price | $329 |
| Power | 5 W (active) |
| Performance per dollar | 33.03 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1491 Max |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,300 MB/s |
| Sequential write | 4,100 MB/s |
| Random 4K read | 820K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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
Cite this page: Hardware Spec Index, “Caldera SN-1491 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/56356 (accessed 2026-10-18).