Caldera SN-3491 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN3491-XT · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 8,518 (SSDs scale) |
|---|---|
| Category rank | #6,113 |
| Street price | $159 |
| Power | 6 W (active) |
| Performance per dollar | 53.57 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-3491 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,200 MB/s |
| Sequential write | 5,500 MB/s |
| Random 4K read | 1,190K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 TBW (0.33 DWPD) |
| Warranty | 5 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Strivon SN-6484 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,558 | $309 | Compare |
| Strivon SN-1993 SE 500GB SATA 2.5-inch SSD | 4,027 | $39 | Compare |
| Caldera SN-9573 Ti 500GB SATA 2.5-inch SSD | 3,551 | $39 | Compare |
| Strivon SN-3092 Edge 1TB PCIe 4.0 NVMe M.2 2230 SSD | 7,836 | $149 | Compare |
| Novexa SN-1496 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,779 | $359 | Compare |
| Strivon SN-3272 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD | 10,058 | $249 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-3491 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5774068 (accessed 2026-10-19).