Caldera SN-7581 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7581-SE · Released 2026 · Updated 2026-10-21
Key facts
| Benchmark index | 4,424 (SSDs scale) |
|---|---|
| Category rank | #15,300 |
| Street price | $49 |
| Power | 8 W (active) |
| Performance per dollar | 90.29 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7581 SE |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,900 MB/s |
| Sequential write | 3,100 MB/s |
| Random 4K read | 820K IOPS |
| NAND | 3D QLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 120 TBW (0.22 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-7339 SE 2TB PCIe 3.0 NVMe M.2 2280 SSD | 8,051 | $159 | Compare |
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| Novexa SN-8677 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,583 | $529 | Compare |
| Mirenta SN-6139 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,052 | $599 | Compare |
| Novexa SN-4565 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,037 | $249 | Compare |
| Mirenta SN-3060 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD | 14,731 | $569 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7581 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2017925 (accessed 2026-10-21).