Mirenta SN-6659 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Mirenta · SKU SN6659-XT · Released 2019 · Updated 2026-10-23
Key facts
| Benchmark index | 11,838 (SSDs scale) |
|---|---|
| Category rank | #20,708 |
| Street price | $369 |
| Power | 5 W (active) |
| Performance per dollar | 32.08 |
| Released | 2019 |
Specifications
| Brand | Mirenta |
|---|---|
| Model | Mirenta SN-6659 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,800 MB/s |
| Sequential write | 2,400 MB/s |
| Random 4K read | 440K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 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-6659 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3503370 (accessed 2026-10-23).