Hardware Spec Index

Mirenta HD-9139 Ultra 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD9139-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,661 (Hard Drives scale)
Category rank#22,742
Street price$169
Power7 W
Performance per dollar9.83
Released2025

Specifications

BrandMirenta
ModelMirenta HD-9139 Ultra
Capacity12 TB
ClassDesktop
RecordingSMR (shingled 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-9139 Ultra 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/20053268 (accessed 2026-10-20).