Hardware Spec Index

Mirenta SN-7978 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN7978-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index5,396 (SSDs scale)
Category rank#24,005
Street price$79
Power8 W (active)
Performance per dollar68.30
Released2021

Specifications

BrandMirenta
ModelMirenta SN-7978 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write4,300 MB/s
Random 4K read1,010K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 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-7978 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/97271015 (accessed 2026-10-19).