Hardware Spec Index

Mirenta HD-8939 Prime 12TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD8939-PRIME · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,631 (Hard Drives scale)
Category rank#38,454
Street price$149
Power7 W
Performance per dollar10.95
Released2025

Specifications

BrandMirenta
ModelMirenta HD-8939 Prime
Capacity12 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 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-8939 Prime 12TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/21880040 (accessed 2026-10-24).