Hardware Spec Index

Mirenta SN-7643 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN7643-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index5,002 (SSDs scale)
Category rank#33,326
Street price$59
Power4 W (active)
Performance per dollar84.78
Released2019

Specifications

BrandMirenta
ModelMirenta SN-7643 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,700 MB/s
Sequential write2,000 MB/s
Random 4K read510K 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-7643 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2331865 (accessed 2026-10-21).