Caldera SN-1905 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1905-ULTRA · Released 2025 · Updated 2026-10-26
Key facts
| Benchmark index | 9,312 (SSDs scale) |
|---|---|
| Category rank | #40,640 |
| Street price | $219 |
| Power | 8 W (active) |
| Performance per dollar | 42.52 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1905 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,100 MB/s |
| Sequential write | 4,000 MB/s |
| Random 4K read | 1,010K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 2 GB |
| 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-4402 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,340 | $469 | Compare |
| Strivon SN-3856 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,797 | $369 | Compare |
| Altrix SN-1175 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD | 10,597 | $269 | Compare |
| Caldera SN-1889 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,936 | $359 | Compare |
| Altrix SN-8744 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,909 | $449 | Compare |
| Mirenta SN-1464 Prime 1TB SATA 2.5-inch SSD | 3,360 | $39 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1905 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8835901 (accessed 2026-10-26).