Caldera SN-7945 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD
SSDs · Caldera · SKU SN7945-ULTRA · Released 2022 · Updated 2026-10-24
Key facts
| Benchmark index | 8,000 (SSDs scale) |
|---|---|
| Category rank | #36,843 |
| Street price | $139 |
| Power | 5 W (active) |
| Performance per dollar | 57.55 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7945 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2230 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,100 MB/s |
| Sequential write | 4,200 MB/s |
| Random 4K read | 950K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 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 |
|---|---|---|---|
| Caldera SN-9919 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,544 | $369 | Compare |
| Mirenta SN-8065 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,644 | $599 | Compare |
| Altrix SN-7286 SE 2TB PCIe 4.0 NVMe M.2 2230 SSD | 11,574 | $369 | Compare |
| Mirenta SN-3364 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,586 | $329 | Compare |
| Novexa SN-6041 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,290 | $529 | Compare |
| Caldera SN-5839 SE 1TB PCIe 3.0 NVMe M.2 2280 SSD | 6,568 | $99 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7945 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/3295745 (accessed 2026-10-24).