Mirenta SN-7781 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Mirenta · SKU SN7781-ULTRA · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 4,975 (SSDs scale) |
|---|---|
| Category rank | #43,828 |
| Street price | $49 |
| Power | 7 W (active) |
| Performance per dollar | 101.53 |
| Released | 2022 |
Specifications
| Brand | Mirenta |
|---|---|
| Model | Mirenta SN-7781 Ultra |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,900 MB/s |
| Sequential write | 3,900 MB/s |
| Random 4K read | 850K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 100 TBW (0.18 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
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Cite this page: Hardware Spec Index, “Mirenta SN-7781 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/11072017 (accessed 2026-10-20).