Hardware Spec Index

Mirenta HD-9821 Prime 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Mirenta · SKU HD9821-PRIME · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,635 (Hard Drives scale)
Category rank#26,469
Street price$179
Power7 W
Performance per dollar9.13
Released2019

Specifications

BrandMirenta
ModelMirenta HD-9821 Prime
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
Strivon HD-1026 XT 16TB 7,200 RPM CMR NAS Hard Drive2,585$429Compare
Mirenta HD-5351 Plus 6TB 5,400 RPM CMR NAS Hard Drive1,599$169Compare
Strivon HD-6122 Core 6TB 5,400 RPM CMR NAS Hard Drive1,094$89Compare
Altrix HD-2625 Prime 24TB 7,200 RPM CMR NAS Hard Drive2,875$559Compare
Altrix HD-1512 Prime 6TB 5,400 RPM CMR Surveillance Hard Drive1,175$89Compare
Strivon HD-3140 Core 6TB 5,400 RPM CMR Surveillance Hard Drive1,671$219Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-9821 Prime 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/1776642 (accessed 2026-10-24).