Hardware Spec Index

Mirenta SN-4946 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN4946-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index8,889 (SSDs scale)
Category rank#40,882
Street price$219
Power7 W (active)
Performance per dollar40.59
Released2022

Specifications

BrandMirenta
ModelMirenta SN-4946 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write6,000 MB/s
Random 4K read1,020K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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-4946 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3939583 (accessed 2026-10-19).