Caldera SN-3256 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN3256-ULTRA · Released 2020 · Updated 2026-10-23
Key facts
| Benchmark index | 9,486 (SSDs scale) |
|---|---|
| Category rank | #36,627 |
| Street price | $239 |
| Power | 5 W (active) |
| Performance per dollar | 39.69 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-3256 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,200 MB/s |
| Random 4K read | 1,130K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DDR4 DRAM, 1 GB |
| 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-4432 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,591 | $469 | Compare |
| Altrix SN-1714 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,012 | $199 | Compare |
| Altrix SN-4375 XT 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,926 | $279 | Compare |
| Altrix SN-6164 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD | 11,398 | $309 | Compare |
| Caldera SN-2620 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,192 | $209 | Compare |
| Strivon SN-5158 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,227 | $279 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-3256 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5406575 (accessed 2026-10-23).