Hardware Spec Index

Mirenta SN-3421 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN3421-SE · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index10,431 (SSDs scale)
Category rank#5,556
Street price$269
Power5 W (active)
Performance per dollar38.78
Released2019

Specifications

BrandMirenta
ModelMirenta SN-3421 SE
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,200 MB/s
Sequential write1,600 MB/s
Random 4K read350K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 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-3421 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/83679033 (accessed 2026-10-21).