Hardware Spec Index

Mirenta HD-4258 Prime 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD4258-PRIME · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index3,099 (Hard Drives scale)
Category rank#14,721
Street price$549
Power8 W
Performance per dollar5.64
Released2020

Specifications

BrandMirenta
ModelMirenta HD-4258 Prime
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

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Cite this page: Hardware Spec Index, “Mirenta HD-4258 Prime 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/7054816 (accessed 2026-10-21).