Novexa SN-8639 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD
SSDs · Novexa · SKU SN8639-PRO · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 7,445 (SSDs scale) |
|---|---|
| Category rank | #19 |
| Street price | $149 |
| Power | 6 W (active) |
| Performance per dollar | 49.97 |
| Released | 2021 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-8639 Pro |
| Capacity | 2 TB |
| Form factor | M.2 2230 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,200 MB/s |
| Sequential write | 5,300 MB/s |
| Random 4K read | 1,120K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DRAM-less (HMB) |
| 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, “Novexa SN-8639 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/46972863 (accessed 2026-10-22).