Caldera SN-5256 Ultra 500GB PCIe 4.0 NVMe M.2 2230 SSD
SSDs · Caldera · SKU SN5256-ULTRA · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 4,886 (SSDs scale) |
|---|---|
| Category rank | #6,429 |
| Street price | $49 |
| Power | 6 W (active) |
| Performance per dollar | 99.71 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5256 Ultra |
| Capacity | 500 GB |
| Form factor | M.2 2230 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,900 MB/s |
| Sequential write | 3,200 MB/s |
| Random 4K read | 1,200K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 300 TBW (0.55 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 |
|---|---|---|---|
| Mirenta SN-3339 Prime 1TB PCIe 4.0 NVMe M.2 2230 SSD | 5,973 | $79 | Compare |
| Novexa SN-2046 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,092 | $329 | Compare |
| Caldera SN-1170 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,095 | $489 | Compare |
| Mirenta SN-4789 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,781 | $269 | Compare |
| Novexa SN-3357 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,613 | $459 | Compare |
| Novexa SN-7063 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,976 | $369 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5256 Ultra 500GB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/3569866 (accessed 2026-10-21).