Hardware Spec Index

Mirenta SN-7991 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN7991-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index5,974 (SSDs scale)
Category rank#24,000
Street price$79
Power6 W (active)
Performance per dollar75.62
Released2019

Specifications

BrandMirenta
ModelMirenta SN-7991 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write2,200 MB/s
Random 4K read380K IOPS
NAND3D QLC, 232-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-7991 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2918947 (accessed 2026-10-19).