Hardware Spec Index

Mirenta SN-6639 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN6639-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index9,894 (SSDs scale)
Category rank#751
Street price$269
Power5 W (active)
Performance per dollar36.78
Released2025

Specifications

BrandMirenta
ModelMirenta SN-6639 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write5,800 MB/s
Random 4K read980K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-6639 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/14874591 (accessed 2026-10-19).