Hardware Spec Index

Altrix HD-4997 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4997-PLUS · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index2,835 (Hard Drives scale)
Category rank#288
Street price$479
Power8 W
Performance per dollar5.92
Released2022

Specifications

BrandAltrix
ModelAltrix HD-4997 Plus
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 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
Strivon HD-7743 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,666$459Compare
Altrix HD-5136 Ultra 28TB 7,200 RPM CMR Enterprise Hard Drive2,656$419Compare
Mirenta HD-2741 SE 16TB 7,200 RPM CMR NAS Hard Drive2,847$409Compare
Altrix HD-8177 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive688$49Compare
Strivon HD-6859 Plus 12TB 7,200 RPM CMR NAS Hard Drive2,235$349Compare
Mirenta HD-3882 XT 4TB 5,400 RPM CMR Surveillance Hard Drive1,346$139Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4997 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/76016000 (accessed 2026-10-24).