Hardware Spec Index

Altrix HD-4727 SE 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD4727-SE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index2,677 (Hard Drives scale)
Category rank#13,817
Street price$379
Power8 W
Performance per dollar7.06
Released2021

Specifications

BrandAltrix
ModelAltrix HD-4727 SE
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-6334 Prime 16TB 7,200 RPM CMR Enterprise Hard Drive2,408$339Compare
Strivon HD-5127 Pro 28TB 7,200 RPM CMR Enterprise Hard Drive2,648$539Compare
Mirenta HD-7960 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive942$79Compare
Altrix HD-9916 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive862$59Compare
Strivon HD-5085 Core 8TB 7,200 RPM CMR Surveillance Hard Drive1,441$149Compare
Novexa HD-9902 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive2,211$329Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4727 SE 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/7804638 (accessed 2026-10-23).