Caldera SN-2581 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2581-PRO · Released 2023 · Updated 2026-10-20
Key facts
| Benchmark index | 7,621 (SSDs scale) |
|---|---|
| Category rank | #21,441 |
| Street price | $149 |
| Power | 7 W (active) |
| Performance per dollar | 51.15 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2581 Pro |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,100 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 1,390K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-1425 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,081 | $469 | Compare |
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| Novexa SN-6828 Ti 500GB SATA 2.5-inch SSD | 3,643 | $39 | Compare |
| Altrix SN-5270 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD | 14,236 | $589 | Compare |
| Strivon SN-9718 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,629 | $269 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-2581 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/438733 (accessed 2026-10-20).