Altrix SN-7781 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Altrix · SKU SN7781-PRIME · Released 2019 · Updated 2026-10-21
Key facts
| Benchmark index | 5,942 (SSDs scale) |
|---|---|
| Category rank | #11,945 |
| Street price | $79 |
| Power | 6 W (active) |
| Performance per dollar | 75.22 |
| Released | 2019 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix SN-7781 Prime |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,200 MB/s |
| Sequential write | 1,700 MB/s |
| Random 4K read | 570K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 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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Cite this page: Hardware Spec Index, “Altrix SN-7781 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/15028397 (accessed 2026-10-21).