Caldera SN-1581 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1581-EDGE · Released 2020 · Updated 2026-10-21
Key facts
| Benchmark index | 8,301 (SSDs scale) |
|---|---|
| Category rank | #17,875 |
| Street price | $199 |
| Power | 7 W (active) |
| Performance per dollar | 41.71 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1581 Edge |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 4,900 MB/s |
| Random 4K read | 750K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 1,200 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 |
|---|---|---|---|
| Novexa SN-9049 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $559 | Compare |
| Mirenta SN-8210 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD | 5,021 | $69 | Compare |
| Novexa SN-3799 SE 1TB SATA 2.5-inch SSD | 3,102 | $39 | Compare |
| Mirenta SN-5105 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,169 | $279 | Compare |
| Caldera SN-9905 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,528 | $349 | Compare |
| Mirenta SN-2428 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,063 | $259 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1581 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7950437 (accessed 2026-10-21).