Hardware Spec Index

Altrix HD-9221 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD9221-PLUS · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index2,415 (Hard Drives scale)
Category rank#16,341
Street price$369
Power8 W
Performance per dollar6.54
Released2023

Specifications

BrandAltrix
ModelAltrix HD-9221 Plus
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-8547 Prime 16TB 7,200 RPM CMR NAS Hard Drive2,058$309Compare
Novexa HD-1279 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive2,411$449Compare
Novexa HD-1238 Plus 6TB 5,400 RPM CMR NAS Hard Drive1,458$149Compare
Strivon HD-2653 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive641$49Compare
Altrix HD-1254 Max 12TB 7,200 RPM CMR NAS Hard Drive1,655$189Compare
Strivon HD-8302 Max 4TB 5,400 RPM SMR Desktop Hard Drive785$69Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9221 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/48411961 (accessed 2026-10-20).