Hardware Spec Index

Altrix HD-5856 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD5856-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index2,955 (Hard Drives scale)
Category rank#48,112
Street price$529
Power8 W
Performance per dollar5.59
Released2024

Specifications

BrandAltrix
ModelAltrix HD-5856 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
Mirenta HD-2960 Ultra 24TB 7,200 RPM CMR NAS Hard Drive2,618$409Compare
Altrix HD-9896 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,054$79Compare
Mirenta HD-2947 SE 20TB 7,200 RPM CMR NAS Hard Drive2,583$489Compare
Novexa HD-9170 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,300$279Compare
Mirenta HD-9874 XT 24TB 7,200 RPM CMR NAS Hard Drive3,100$569Compare
Mirenta HD-7091 Core 12TB 7,200 RPM CMR Surveillance Hard Drive1,909$219Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-5856 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/7951634 (accessed 2026-10-22).