Caldera SN-4225 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4225-ULTRA · Released 2020 · Updated 2026-10-20
Key facts
| Benchmark index | 12,882 (SSDs scale) |
|---|---|
| Category rank | #49,080 |
| Street price | $479 |
| Power | 6 W (active) |
| Performance per dollar | 26.89 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4225 Ultra |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 4,300 MB/s |
| Random 4K read | 1,180K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 8 GB |
| Endurance | 4,800 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 |
|---|---|---|---|
| Caldera SN-7179 Max 500GB SATA 2.5-inch SSD | 4,509 | $49 | Compare |
| Mirenta SN-4707 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,190 | $149 | Compare |
| Novexa SN-1408 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,760 | $319 | Compare |
| Novexa SN-6781 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,429 | $539 | Compare |
| Altrix SN-8064 Ti 500GB SATA 2.5-inch SSD | 4,644 | $49 | Compare |
| Caldera SN-7041 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,636 | $149 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4225 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3943097 (accessed 2026-10-20).