Hardware Spec Index

Altrix HD-4665 SE 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4665-SE · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,867 (Hard Drives scale)
Category rank#9,549
Street price$449
Power8 W
Performance per dollar6.39
Released2019

Specifications

BrandAltrix
ModelAltrix HD-4665 SE
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-2800 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive1,405$149Compare
Mirenta HD-2455 Ultra 20TB 7,200 RPM CMR NAS Hard Drive2,657$439Compare
Altrix HD-4722 Ti 8TB 7,200 RPM CMR NAS Hard Drive1,605$189Compare
Strivon HD-3724 Max 6TB 5,400 RPM SMR Desktop Hard Drive1,378$129Compare
Novexa HD-2584 Ti 12TB 7,200 RPM CMR Surveillance Hard Drive1,742$189Compare
Novexa HD-1228 Ti 16TB 7,200 RPM CMR Enterprise Hard Drive1,746$229Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4665 SE 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/4151587 (accessed 2026-10-21).