Caldera SN-2891 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2891-PRO · Released 2026 · Updated 2026-10-19
Key facts
| Benchmark index | 7,125 (SSDs scale) |
|---|---|
| Category rank | #36,185 |
| Street price | $149 |
| Power | 8 W (active) |
| Performance per dollar | 47.82 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2891 Pro |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,200 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 1,240K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 360 TBW (0.33 DWPD) |
| Warranty | 3 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
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|---|---|---|---|
| Novexa SN-1240 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,084 | $269 | Compare |
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| Strivon SN-6828 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,762 | $539 | Compare |
| Novexa SN-1840 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,419 | $329 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-2891 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8466945 (accessed 2026-10-19).