Hardware Spec Index

Altrix HD-9821 Pro 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD9821-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,783 (Hard Drives scale)
Category rank#43,016
Street price$209
Power7 W
Performance per dollar8.53
Released2022

Specifications

BrandAltrix
ModelAltrix HD-9821 Pro
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-5897 Edge 28TB 7,200 RPM CMR Enterprise Hard Drive2,701$389Compare
Altrix HD-4569 SE 12TB 7,200 RPM CMR NAS Hard Drive2,559$389Compare
Strivon HD-5236 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive2,635$489Compare
Strivon HD-6854 Prime 20TB 7,200 RPM CMR NAS Hard Drive2,087$299Compare
Mirenta HD-6843 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,933$599Compare
Altrix HD-1977 Prime 20TB 7,200 RPM CMR NAS Hard Drive2,655$449Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9821 Pro 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/3947725 (accessed 2026-10-19).