Altrix SN-8423 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN8423-ULTRA · Released 2021 · Updated 2026-10-23
Key facts
| Benchmark index | 13,403 (SSDs scale) |
|---|---|
| Category rank | #32,752 |
| Street price | $499 |
| Power | 6 W (active) |
| Performance per dollar | 26.86 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-8423 Ultra |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,100 MB/s |
| Sequential write | 4,200 MB/s |
| Random 4K read | 1,040K IOPS |
| NAND | 3D TLC, 218-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
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| Caldera SN-4979 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-8423 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/89028774 (accessed 2026-10-23).