Altrix SN-6651 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN6651-ULTRA · Released 2020 · Updated 2026-10-25
Key facts
| Benchmark index | 5,012 (SSDs scale) |
|---|---|
| Category rank | #39,799 |
| Street price | $49 |
| Power | 6 W (active) |
| Performance per dollar | 102.29 |
| Released | 2020 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-6651 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 5,000 MB/s |
| Random 4K read | 830K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 TBW (0.55 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
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 |
|---|---|---|---|
| Novexa SN-2492 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
| Altrix SN-8179 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,157 | $159 | Compare |
| Altrix SN-7502 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 10,612 | $329 | Compare |
| Strivon SN-6779 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,284 | $599 | Compare |
| Altrix SN-3409 Edge 500GB SATA 2.5-inch SSD | 3,943 | $39 | Compare |
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Cite this page: Hardware Spec Index, “Altrix SN-6651 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41490434 (accessed 2026-10-25).