Mirenta SN-4278 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Mirenta · SKU SN4278-PRIME · Released 2026 · Updated 2026-10-20
Key facts
| Benchmark index | 4,847 (SSDs scale) |
|---|---|
| Category rank | #26,614 |
| Street price | $59 |
| Power | 5 W (active) |
| Performance per dollar | 82.15 |
| Released | 2026 |
Specifications
| Brand | Mirenta |
|---|---|
| Model | Mirenta SN-4278 Prime |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,100 MB/s |
| Sequential write | 3,900 MB/s |
| Random 4K read | 870K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 300 TBW (0.55 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-4278 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/50003455 (accessed 2026-10-20).