Hardware Spec Index

Mirenta SN-6421 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN6421-PRIME · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index7,181 (SSDs scale)
Category rank#382
Street price$139
Power8 W (active)
Performance per dollar51.66
Released2024

Specifications

BrandMirenta
ModelMirenta SN-6421 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write4,000 MB/s
Random 4K read780K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance600 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-6421 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/76798306 (accessed 2026-10-26).