Altrix SN-6638 Core 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN6638-CORE · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 5,257 (SSDs scale) |
|---|---|
| Category rank | #5,983 |
| Street price | $79 |
| Power | 6 W (active) |
| Performance per dollar | 66.54 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-6638 Core |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,000 MB/s |
| Sequential write | 4,800 MB/s |
| Random 4K read | 810K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 300 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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Cite this page: Hardware Spec Index, “Altrix SN-6638 Core 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/535387 (accessed 2026-10-19).