Novexa SN-5639 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN5639-ULTRA · Released 2020 · Updated 2026-10-26
Key facts
| Benchmark index | 13,917 (SSDs scale) |
|---|---|
| Category rank | #10,197 |
| Street price | $579 |
| Power | 5 W (active) |
| Performance per dollar | 24.04 |
| Released | 2020 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-5639 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,000 MB/s |
| Sequential write | 5,300 MB/s |
| Random 4K read | 1,180K 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 |
|---|---|---|---|
| Altrix SN-6766 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,564 | $599 | Compare |
| Altrix SN-1182 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD | 9,140 | $199 | Compare |
| Mirenta SN-7140 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,885 | $399 | Compare |
| Caldera SN-6089 Ti 500GB SATA 2.5-inch SSD | 3,200 | $39 | Compare |
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Cite this page: Hardware Spec Index, “Novexa SN-5639 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19954452 (accessed 2026-10-26).