Hardware Spec Index

Mirenta SN-9421 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN9421-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index12,592 (SSDs scale)
Category rank#47,124
Street price$469
Power9 W (active)
Performance per dollar26.85
Released2024

Specifications

BrandMirenta
ModelMirenta SN-9421 Prime
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,200 MB/s
Sequential write12,900 MB/s
Random 4K read2,750K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Mirenta SN-9421 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/99861307 (accessed 2026-10-20).