Altrix SN-7421 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN7421-PRO · Released 2020 · Updated 2026-10-21
Key facts
| Benchmark index | 10,552 (SSDs scale) |
|---|---|
| Category rank | #5,138 |
| Street price | $309 |
| Power | 7 W (active) |
| Performance per dollar | 34.15 |
| Released | 2020 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-7421 Pro |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,400 MB/s |
| Sequential write | 5,300 MB/s |
| Random 4K read | 1,180K IOPS |
| NAND | 3D TLC, 218-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
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Cite this page: Hardware Spec Index, “Altrix SN-7421 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1999491 (accessed 2026-10-21).