Hardware Spec Index

Mirenta HD-9477 Prime 4TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD9477-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,080 (Hard Drives scale)
Category rank#25,564
Street price$69
Power5 W
Performance per dollar15.65
Released2021

Specifications

BrandMirenta
ModelMirenta HD-9477 Prime
Capacity4 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 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-9477 Prime 4TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/9892940 (accessed 2026-10-25).