Hardware Spec Index

Mirenta HD-9645 Ultra 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD9645-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,843 (Hard Drives scale)
Category rank#44,948
Street price$249
Power7 W
Performance per dollar7.40
Released2020

Specifications

BrandMirenta
ModelMirenta HD-9645 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

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Mirenta HD-3662 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,387$389Compare
Strivon HD-5900 Ti 20TB 7,200 RPM CMR NAS Hard Drive2,655$509Compare
Mirenta HD-8876 Edge 16TB 7,200 RPM CMR NAS Hard Drive2,783$479Compare
Novexa HD-8465 Pro 12TB 7,200 RPM CMR Surveillance Hard Drive2,064$289Compare
Novexa HD-2168 Pro 24TB 7,200 RPM CMR Enterprise Hard Drive3,035$529Compare
Strivon HD-4072 Core 6TB 5,400 RPM CMR Surveillance Hard Drive1,744$209Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-9645 Ultra 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/8904693 (accessed 2026-10-20).