Altrix SN-8421 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN8421-ULTRA · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 8,229 (SSDs scale) |
|---|---|
| Category rank | #48,078 |
| Street price | $209 |
| Power | 6 W (active) |
| Performance per dollar | 39.37 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-8421 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,300 MB/s |
| Sequential write | 5,700 MB/s |
| Random 4K read | 1,190K IOPS |
| NAND | 3D TLC, 176-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 |
|---|---|---|---|
| Mirenta SN-6841 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,327 | $439 | Compare |
| Caldera SN-3965 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 6,936 | $119 | Compare |
| Novexa SN-8822 Pro 500GB SATA 2.5-inch SSD | 4,272 | $39 | Compare |
| Mirenta SN-3971 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,821 | $529 | Compare |
| Altrix SN-5265 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,147 | $299 | Compare |
| Novexa SN-2774 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD | 7,993 | $149 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-8421 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/32939967 (accessed 2026-10-25).