Caldera SN-7545 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7545-PRIME · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 13,349 (SSDs scale) |
|---|---|
| Category rank | #11,289 |
| Street price | $429 |
| Power | 5 W (active) |
| Performance per dollar | 31.12 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7545 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,800 MB/s |
| Sequential write | 6,600 MB/s |
| Random 4K read | 1,110K 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
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| Strivon SN-6225 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,218 | $309 | Compare |
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| Novexa SN-6645 XT 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,415 | $279 | Compare |
| Strivon SN-4419 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,581 | $229 | Compare |
| Novexa SN-2695 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,900 | $529 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-7545 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/75440 (accessed 2026-10-19).