Hardware Spec Index

Mirenta SN-8477 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN8477-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index6,738 (SSDs scale)
Category rank#42,668
Street price$99
Power6 W (active)
Performance per dollar68.06
Released2025

Specifications

BrandMirenta
ModelMirenta SN-8477 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write5,800 MB/s
Random 4K read1,060K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 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-8477 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/10200802 (accessed 2026-10-18).