Hardware Spec Index

Mirenta SN-7491 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN7491-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index10,954 (SSDs scale)
Category rank#150
Street price$339
Power11 W (active)
Performance per dollar32.31
Released2025

Specifications

BrandMirenta
ModelMirenta SN-7491 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read13,100 MB/s
Sequential write12,300 MB/s
Random 4K read2,780K IOPS
NAND3D TLC, 176-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-8348 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD14,152$579Compare
Caldera SN-6867 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD8,820$169Compare
Novexa SN-8180 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD12,124$379Compare
Caldera SN-2120 Plus 500GB PCIe 4.0 NVMe M.2 2230 SSD4,974$59Compare
Altrix SN-4453 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD5,734$69Compare
Novexa SN-7363 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD14,900$599Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Mirenta SN-7491 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/42327788 (accessed 2026-10-20).