Hardware Spec Index

Altrix HD-6487 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD6487-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,190 (Hard Drives scale)
Category rank#43,837
Street price$299
Power8 W
Performance per dollar7.32
Released2021

Specifications

BrandAltrix
ModelAltrix HD-6487 Ultra
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
Novexa HD-6506 SE 8TB 7,200 RPM CMR Surveillance Hard Drive1,319$129Compare
Mirenta HD-5155 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive1,175$99Compare
Novexa HD-1144 Pro 20TB 7,200 RPM CMR NAS Hard Drive2,713$439Compare
Mirenta HD-1818 Ti 16TB 7,200 RPM CMR Enterprise Hard Drive2,717$519Compare
Altrix HD-7328 Plus 16TB 7,200 RPM CMR NAS Hard Drive2,112$279Compare
Novexa HD-1535 Prime 16TB 7,200 RPM CMR Enterprise Hard Drive2,434$389Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-6487 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/2990952 (accessed 2026-10-20).