Novexa SN-6818 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN6818-ULTRA · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 13,355 (SSDs scale) |
|---|---|
| Category rank | #32,312 |
| Street price | $499 |
| Power | 8 W (active) |
| Performance per dollar | 26.76 |
| Released | 2022 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-6818 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,800 MB/s |
| Sequential write | 4,700 MB/s |
| Random 4K read | 960K IOPS |
| NAND | 3D TLC, 238-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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| Mirenta SN-9184 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,267 | $309 | Compare |
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| Strivon SN-2554 Ti 2TB PCIe 3.0 NVMe M.2 2280 SSD | 9,434 | $219 | Compare |
| Caldera SN-3093 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,438 | $309 | Compare |
| Caldera SN-5040 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 6,604 | $109 | Compare |
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Cite this page: Hardware Spec Index, “Novexa SN-6818 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9769726 (accessed 2026-10-19).