Hardware Spec Index

Mirenta HD-3478 Prime 12TB 7,200 RPM CMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD3478-PRIME · Released 2021 · Updated 2026-10-27

Key facts

Benchmark index2,227 (Hard Drives scale)
Category rank#12,030
Street price$339
Power7 W
Performance per dollar6.57
Released2021

Specifications

BrandMirenta
ModelMirenta HD-3478 Prime
Capacity12 TB
ClassDesktop
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

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Cite this page: Hardware Spec Index, “Mirenta HD-3478 Prime 12TB 7,200 RPM CMR Desktop Hard Drive”, https://vextor7.com/item/4874674 (accessed 2026-10-27).