Caldera SN-6291 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6291-XT · Released 2026 · Updated 2026-10-19
Key facts
| Benchmark index | 9,180 (SSDs scale) |
|---|---|
| Category rank | #27,101 |
| Street price | $209 |
| Power | 8 W (active) |
| Performance per dollar | 43.92 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6291 XT |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,000 MB/s |
| Sequential write | 4,500 MB/s |
| Random 4K read | 840K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Caldera SN-4162 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,695 | $329 | Compare |
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| Mirenta SN-5058 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,162 | $459 | Compare |
| Strivon SN-5802 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,598 | $189 | Compare |
| Altrix SN-2229 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,976 | $419 | Compare |
| Altrix SN-2104 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,066 | $269 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6291 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41000918 (accessed 2026-10-19).