Hardware Spec Index

Mirenta HD-9457 SE 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD9457-SE · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index2,646 (Hard Drives scale)
Category rank#44,795
Street price$519
Power8 W
Performance per dollar5.10
Released2022

Specifications

BrandMirenta
ModelMirenta HD-9457 SE
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-9457 SE 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/46067536 (accessed 2026-10-25).