Hardware Spec Index

Altrix HD-3211 Plus 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD3211-PLUS · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index2,238 (Hard Drives scale)
Category rank#29,506
Street price$329
Power8 W
Performance per dollar6.80
Released2021

Specifications

BrandAltrix
ModelAltrix HD-3211 Plus
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-7107 Pro 6TB 5,400 RPM CMR Surveillance Hard Drive1,590$189Compare
Mirenta HD-7913 XT 28TB 7,200 RPM CMR NAS Hard Drive3,026$599Compare
Altrix HD-6885 Ti 8TB 7,200 RPM CMR Desktop Hard Drive1,907$239Compare
Strivon HD-6268 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive848$59Compare
Novexa HD-7146 XT 2TB 5,400 RPM CMR Surveillance Hard Drive1,134$89Compare
Novexa HD-9098 Max 6TB 5,400 RPM CMR Desktop Hard Drive1,163$99Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3211 Plus 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/97274438 (accessed 2026-10-18).