Caldera SN-6291 XT 2TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6291-XT · Released 2019 · Updated 2026-10-19
Key facts
| Benchmark index | 8,434 (SSDs scale) |
|---|---|
| Category rank | #20,834 |
| Street price | $179 |
| Power | 4 W (active) |
| Performance per dollar | 47.12 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6291 XT |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 3,200 MB/s |
| Sequential write | 2,500 MB/s |
| Random 4K read | 480K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| 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 |
|---|---|---|---|
| Novexa SN-7699 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,513 | $129 | Compare |
| Mirenta SN-8732 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD | 12,713 | $379 | Compare |
| Caldera SN-9673 XT 1TB SATA 2.5-inch SSD | 3,323 | $39 | Compare |
| Mirenta SN-3340 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,345 | $479 | Compare |
| Strivon SN-4434 XT 500GB SATA 2.5-inch SSD | 4,628 | $49 | Compare |
| Altrix SN-1875 Core 2TB PCIe 3.0 NVMe M.2 2280 SSD | 8,214 | $189 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6291 XT 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20032838 (accessed 2026-10-19).