Novexa SN-8666 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Novexa · SKU SN8666-XT · Released 2021 · Updated 2026-10-24
Key facts
| Benchmark index | 10,433 (SSDs scale) |
|---|---|
| Category rank | #23,017 |
| Street price | $269 |
| Power | 7 W (active) |
| Performance per dollar | 38.78 |
| Released | 2021 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa SN-8666 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,700 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 890K IOPS |
| NAND | 3D TLC, 176-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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Strivon SN-6966 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD | 10,539 | $309 | Compare |
| Strivon SN-5804 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,015 | $229 | Compare |
| Novexa SN-4695 Core 1TB SATA 2.5-inch SSD | 3,951 | $39 | Compare |
| Mirenta SN-1657 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,001 | $359 | Compare |
| Caldera SN-9635 XT 1TB SATA 2.5-inch SSD | 3,375 | $29 | Compare |
| Mirenta SN-6219 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 4,892 | $49 | Compare |
Cite this page: Hardware Spec Index, “Novexa SN-8666 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19960792 (accessed 2026-10-24).