Hardware Spec Index

Altrix HD-3431 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD3431-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index3,016 (Hard Drives scale)
Category rank#28,278
Street price$589
Power8 W
Performance per dollar5.12
Released2019

Specifications

BrandAltrix
ModelAltrix HD-3431 Ultra
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
Altrix HD-7429 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive1,688$199Compare
Strivon HD-2772 Pro 28TB 7,200 RPM CMR Enterprise Hard Drive3,042$569Compare
Strivon HD-7937 Edge 24TB 7,200 RPM CMR NAS Hard Drive2,416$409Compare
Mirenta HD-1064 XT 8TB 7,200 RPM CMR Surveillance Hard Drive2,187$269Compare
Mirenta HD-9857 Max 4TB 5,400 RPM CMR Surveillance Hard Drive1,036$89Compare
Strivon HD-3545 SE 8TB 7,200 RPM CMR Surveillance Hard Drive1,866$229Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3431 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/19189705 (accessed 2026-10-26).