Caldera SN-2745 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2745-ULTRA · Released 2021 · Updated 2026-10-23
Key facts
| Benchmark index | 5,321 (SSDs scale) |
|---|---|
| Category rank | #9,586 |
| Street price | $59 |
| Power | 5 W (active) |
| Performance per dollar | 90.19 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2745 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,200 MB/s |
| Sequential write | 5,000 MB/s |
| Random 4K read | 760K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 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
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Cite this page: Hardware Spec Index, “Caldera SN-2745 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/595582 (accessed 2026-10-23).