Hardware Spec Index

Mirenta HD-7942 Prime 12TB 7,200 RPM CMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD7942-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index2,283 (Hard Drives scale)
Category rank#21,506
Street price$299
Power7 W
Performance per dollar7.64
Released2021

Specifications

BrandMirenta
ModelMirenta HD-7942 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

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-2581 Pro 6TB 5,400 RPM CMR Surveillance Hard Drive1,467$129Compare
Strivon HD-7789 Max 12TB 7,200 RPM SMR Desktop Hard Drive2,164$299Compare
Altrix HD-9477 Ti 16TB 7,200 RPM CMR NAS Hard Drive2,145$299Compare
Strivon HD-3438 XT 4TB 5,400 RPM CMR Surveillance Hard Drive724$59Compare
Novexa HD-3747 Pro 8TB 7,200 RPM CMR Desktop Hard Drive1,521$129Compare
Altrix HD-6501 Plus 20TB 7,200 RPM CMR NAS Hard Drive2,424$319Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7942 Prime 12TB 7,200 RPM CMR Desktop Hard Drive”, https://vextor7.com/item/5327375 (accessed 2026-10-24).