Hardware Spec Index

Mirenta SN-4990 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN4990-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index5,775 (SSDs scale)
Category rank#37,128
Street price$79
Power5 W (active)
Performance per dollar73.10
Released2023

Specifications

BrandMirenta
ModelMirenta SN-4990 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write4,200 MB/s
Random 4K read770K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance300 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-4990 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2845958 (accessed 2026-10-23).