Hardware Spec Index

Mirenta SN-9477 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN9477-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index12,026 (SSDs scale)
Category rank#9,485
Street price$469
Power6 W (active)
Performance per dollar25.64
Released2020

Specifications

BrandMirenta
ModelMirenta SN-9477 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write6,000 MB/s
Random 4K read1,280K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-9477 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4924005 (accessed 2026-10-20).