Hardware Spec Index

Mirenta SN-8421 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN8421-PLUS · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index4,383 (SSDs scale)
Category rank#19,275
Street price$49
Power5 W (active)
Performance per dollar89.45
Released2026

Specifications

BrandMirenta
ModelMirenta SN-8421 Plus
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write3,600 MB/s
Random 4K read1,290K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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-8421 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41581066 (accessed 2026-10-26).