Caldera SN-7427 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7427-ULTRA · Released 2022 · Updated 2026-10-25
Key facts
| Benchmark index | 12,812 (SSDs scale) |
|---|---|
| Category rank | #37,355 |
| Street price | $429 |
| Power | 7 W (active) |
| Performance per dollar | 29.86 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7427 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,000 MB/s |
| Sequential write | 4,400 MB/s |
| Random 4K read | 1,040K IOPS |
| NAND | 3D TLC, 176-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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-3409 Ultra 1TB SATA 2.5-inch SSD | 4,016 | $39 | Compare |
| Mirenta SN-6161 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,050 | $449 | Compare |
| Novexa SN-5395 XT 500GB SATA 2.5-inch SSD | 4,142 | $39 | Compare |
| Caldera SN-7450 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,647 | $299 | Compare |
| Mirenta SN-3097 Plus 500GB SATA 2.5-inch SSD | 3,396 | $29 | Compare |
| Strivon SN-1350 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,462 | $279 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7427 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4189113 (accessed 2026-10-25).