Hardware Spec Index

Mirenta SN-9866 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN9866-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index5,765 (SSDs scale)
Category rank#2,079
Street price$89
Power5 W (active)
Performance per dollar64.78
Released2021

Specifications

BrandMirenta
ModelMirenta SN-9866 Pro
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,400 MB/s
Sequential write3,600 MB/s
Random 4K read970K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 years
HeatsinkNone

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-9866 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7733904 (accessed 2026-10-22).