Novexa SN-8639 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN8639-SE · Released 2020 · Updated 2026-10-21
Key facts
| Benchmark index | 11,201 (SSDs scale) |
|---|---|
| Category rank | #3,802 |
| Street price | $349 |
| Power | 5 W (active) |
| Performance per dollar | 32.09 |
| Released | 2020 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-8639 SE |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,400 MB/s |
| Sequential write | 5,600 MB/s |
| Random 4K read | 1,030K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 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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| Model | Benchmark | Price | Compare |
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| Strivon SN-5464 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD | 11,754 | $389 | Compare |
| Mirenta SN-6014 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,817 | $289 | Compare |
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Cite this page: Hardware Spec Index, “Novexa SN-8639 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/874313 (accessed 2026-10-21).