Hardware Spec Index

Mirenta SN-3921 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN3921-PRO · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index10,331 (SSDs scale)
Category rank#41,546
Street price$289
Power9 W (active)
Performance per dollar35.75
Released2026

Specifications

BrandMirenta
ModelMirenta SN-3921 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read10,900 MB/s
Sequential write8,000 MB/s
Random 4K read2,190K IOPS
NAND3D TLC, 176-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 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-3921 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/14359682 (accessed 2026-10-26).