Caldera SN-7440 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7440-PRIME · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 14,364 (SSDs scale) |
|---|---|
| Category rank | #16,678 |
| Street price | $509 |
| Power | 7 W (active) |
| Performance per dollar | 28.22 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7440 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,600 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 1,080K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 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 |
|---|---|---|---|
| Novexa SN-6123 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,965 | $439 | Compare |
| Caldera SN-5241 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 14,900 | $589 | Compare |
| Altrix SN-6035 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,430 | $469 | Compare |
| Strivon SN-1742 Pro 1TB SATA 2.5-inch SSD | 3,600 | $29 | Compare |
| Caldera SN-9981 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,493 | $359 | Compare |
| Caldera SN-3704 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,599 | $529 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7440 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2800871 (accessed 2026-10-20).