Novexa SN-3818 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN3818-ULTRA · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 6,130 (SSDs scale) |
|---|---|
| Category rank | #49,113 |
| Street price | $99 |
| Power | 7 W (active) |
| Performance per dollar | 61.92 |
| Released | 2021 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-3818 Ultra |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 4,100 MB/s |
| Random 4K read | 1,190K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 120 TBW (0.22 DWPD) |
| Warranty | 3 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-3818 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2914947 (accessed 2026-10-19).