Hardware Spec Index

Mirenta SN-9421 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN9421-TI · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index11,060 (SSDs scale)
Category rank#106
Street price$379
Power8 W (active)
Performance per dollar29.18
Released2023

Specifications

BrandMirenta
ModelMirenta SN-9421 Ti
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write6,100 MB/s
Random 4K read1,070K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 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-9421 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4359688 (accessed 2026-10-21).