Hardware Spec Index

Mirenta SN-6447 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN6447-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index5,413 (SSDs scale)
Category rank#32,783
Street price$69
Power6 W (active)
Performance per dollar78.45
Released2021

Specifications

BrandMirenta
ModelMirenta SN-6447 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write3,000 MB/s
Random 4K read1,320K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-6447 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/37524357 (accessed 2026-10-24).