Hardware Spec Index

Mirenta HD-9478 SE 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD9478-SE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,953 (Hard Drives scale)
Category rank#12,284
Street price$259
Power7 W
Performance per dollar7.54
Released2020

Specifications

BrandMirenta
ModelMirenta HD-9478 SE
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

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-7180 Max 4TB 5,400 RPM CMR Desktop Hard Drive1,026$89Compare
Mirenta HD-4359 Plus 4TB 5,400 RPM CMR Desktop Hard Drive915$69Compare
Altrix HD-8331 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive1,518$149Compare
Altrix HD-6105 Ultra 24TB 7,200 RPM CMR Enterprise Hard Drive2,434$429Compare
Mirenta HD-3839 Prime 12TB 7,200 RPM CMR NAS Hard Drive2,162$339Compare
Mirenta HD-4756 Core 20TB 7,200 RPM CMR Enterprise Hard Drive2,582$449Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-9478 SE 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/25870 (accessed 2026-10-19).