Caldera SN-5645 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5645-ULTRA · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 11,463 (SSDs scale) |
|---|---|
| Category rank | #37,748 |
| Street price | $319 |
| Power | 6 W (active) |
| Performance per dollar | 35.93 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5645 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,500 MB/s |
| Sequential write | 4,200 MB/s |
| Random 4K read | 850K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Strivon SN-9097 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,017 | $319 | Compare |
| Novexa SN-1603 Pro 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,266 | $459 | Compare |
| Altrix SN-7943 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 6,563 | $109 | Compare |
| Caldera SN-9339 Plus 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,408 | $559 | Compare |
| Novexa SN-4202 SE 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,808 | $299 | Compare |
| Altrix SN-6593 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,043 | $269 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5645 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6007192 (accessed 2026-10-22).