Caldera SN-1905 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1905-PRO · Released 2023 · Updated 2026-10-23
Key facts
| Benchmark index | 14,900 (SSDs scale) |
|---|---|
| Category rank | #13,885 |
| Street price | $539 |
| Power | 5 W (active) |
| Performance per dollar | 27.64 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1905 Pro |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,900 MB/s |
| Sequential write | 3,900 MB/s |
| Random 4K read | 1,030K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 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-7943 Ultra 500GB SATA 2.5-inch SSD | 4,219 | $39 | Compare |
| Strivon SN-2966 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,431 | $339 | Compare |
| Caldera SN-3197 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,766 | $489 | Compare |
| Novexa SN-7299 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,158 | $309 | Compare |
| Caldera SN-1864 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,863 | $479 | Compare |
| Strivon SN-9548 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,353 | $269 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1905 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21475561 (accessed 2026-10-23).