Caldera SN-5901 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5901-ULTRA · Released 2019 · Updated 2026-10-25
Key facts
| Benchmark index | 8,447 (SSDs scale) |
|---|---|
| Category rank | #15,939 |
| Street price | $169 |
| Power | 5 W (active) |
| Performance per dollar | 49.98 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5901 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,900 MB/s |
| Sequential write | 2,300 MB/s |
| Random 4K read | 590K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 1 GB |
| Endurance | 600 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Heatsink edition available |
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-8401 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,032 | $339 | Compare |
| Novexa SN-7790 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD | 6,045 | $69 | Compare |
| Altrix SN-5379 Core 500GB SATA 2.5-inch SSD | 4,031 | $39 | Compare |
| Novexa SN-2559 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,985 | $449 | Compare |
| Altrix SN-1153 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,931 | $319 | Compare |
| Novexa SN-5633 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,746 | $379 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5901 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8104300 (accessed 2026-10-25).