Hardware Spec Index

Mirenta HD-7278 Ultra 12TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD7278-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index2,264 (Hard Drives scale)
Category rank#31,959
Street price$399
Power7 W
Performance per dollar5.67
Released2023

Specifications

BrandMirenta
ModelMirenta HD-7278 Ultra
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

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-7556 Max 2TB 5,400 RPM CMR Surveillance Hard Drive695$59Compare
Mirenta HD-2845 Prime 6TB 5,400 RPM CMR Surveillance Hard Drive1,275$109Compare
Novexa HD-2975 XT 16TB 7,200 RPM CMR NAS Hard Drive2,217$369Compare
Mirenta HD-5979 Edge 28TB 7,200 RPM CMR Enterprise Hard Drive2,668$429Compare
Altrix HD-3735 Prime 12TB 7,200 RPM CMR NAS Hard Drive2,294$389Compare
Altrix HD-7536 Ultra 20TB 7,200 RPM CMR NAS Hard Drive2,653$499Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-7278 Ultra 12TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/1976347 (accessed 2026-10-20).