Hardware Spec Index

Mirenta SN-6491 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN6491-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index5,874 (SSDs scale)
Category rank#1,763
Street price$79
Power5 W (active)
Performance per dollar74.35
Released2020

Specifications

BrandMirenta
ModelMirenta SN-6491 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write3,600 MB/s
Random 4K read1,260K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance360 TBW (0.33 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-6491 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20059999 (accessed 2026-10-20).