Altrix SN-3666 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN3666-ULTRA · Released 2026 · Updated 2026-10-26
Key facts
| Benchmark index | 6,844 (SSDs scale) |
|---|---|
| Category rank | #30,593 |
| Street price | $129 |
| Power | 7 W (active) |
| Performance per dollar | 53.05 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-3666 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,000 MB/s |
| Sequential write | 6,400 MB/s |
| Random 4K read | 830K IOPS |
| NAND | 3D QLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 360 TBW (0.33 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix SN-3361 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD | 5,958 | $89 | Compare |
| Mirenta SN-4429 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,467 | $339 | Compare |
| Mirenta SN-5317 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD | 12,910 | $519 | Compare |
| Caldera SN-7538 Max 2TB PCIe 3.0 NVMe M.2 2280 SSD | 13,024 | $379 | Compare |
| Mirenta SN-1533 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,549 | $329 | Compare |
| Caldera SN-3848 Pro 1TB SATA 2.5-inch SSD | 3,735 | $39 | Compare |
Cite this page: Hardware Spec Index, “Altrix SN-3666 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1760431 (accessed 2026-10-26).