Hardware Spec Index

Mirenta SN-9955 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN9955-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index13,764 (SSDs scale)
Category rank#22,774
Street price$449
Power7 W (active)
Performance per dollar30.65
Released2021

Specifications

BrandMirenta
ModelMirenta SN-9955 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write4,300 MB/s
Random 4K read1,400K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-9955 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6462230 (accessed 2026-10-23).