Caldera SN-7421 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7421-PLUS · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 9,036 (SSDs scale) |
|---|---|
| Category rank | #4,276 |
| Street price | $199 |
| Power | 7 W (active) |
| Performance per dollar | 45.41 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7421 Plus |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,200 MB/s |
| Sequential write | 6,000 MB/s |
| Random 4K read | 730K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Strivon SN-9515 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,150 | $279 | Compare |
| Strivon SN-8109 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,915 | $319 | Compare |
| Altrix SN-9075 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,282 | $499 | Compare |
| Novexa SN-5902 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,500 | $549 | Compare |
| Strivon SN-1415 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,202 | $219 | Compare |
| Altrix SN-6802 Ti 500GB SATA 2.5-inch SSD | 3,130 | $29 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7421 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/714745 (accessed 2026-10-19).