Hardware Spec Index

Altrix HD-4856 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4856-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index2,779 (Hard Drives scale)
Category rank#23,940
Street price$519
Power8 W
Performance per dollar5.35
Released2020

Specifications

BrandAltrix
ModelAltrix HD-4856 Pro
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
Strivon HD-8498 Core 2TB 5,400 RPM SMR Desktop Hard Drive760$59Compare
Altrix HD-5316 Plus 8TB 7,200 RPM CMR Desktop Hard Drive1,914$219Compare
Novexa HD-8368 SE 4TB 5,400 RPM SMR Desktop Hard Drive675$49Compare
Strivon HD-2787 XT 16TB 7,200 RPM CMR NAS Hard Drive2,619$449Compare
Altrix HD-1646 Ti 8TB 7,200 RPM CMR Desktop Hard Drive1,876$259Compare
Novexa HD-6641 Edge 24TB 7,200 RPM CMR NAS Hard Drive2,970$539Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4856 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/2770710 (accessed 2026-10-19).