Hardware Spec Index

Mirenta HD-4645 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD4645-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index763 (Hard Drives scale)
Category rank#11,832
Street price$69
Power4 W
Performance per dollar11.06
Released2019

Specifications

BrandMirenta
ModelMirenta HD-4645 Ultra
Capacity2 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer170 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

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Cite this page: Hardware Spec Index, “Mirenta HD-4645 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/4457216 (accessed 2026-10-20).