Hardware Spec Index

Altrix HD-3777 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD3777-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,956 (Hard Drives scale)
Category rank#34,041
Street price$509
Power8 W
Performance per dollar5.81
Released2021

Specifications

BrandAltrix
ModelAltrix HD-3777 Ultra
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
Altrix HD-5870 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,319$299Compare
Novexa HD-7022 Edge 6TB 5,400 RPM CMR Desktop Hard Drive1,535$159Compare
Strivon HD-6791 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive2,137$329Compare
Strivon HD-9407 Prime 24TB 7,200 RPM CMR NAS Hard Drive2,842$479Compare
Strivon HD-4525 XT 24TB 7,200 RPM CMR Enterprise Hard Drive2,616$519Compare
Novexa HD-7115 Max 12TB 7,200 RPM CMR Surveillance Hard Drive2,398$389Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3777 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/48759055 (accessed 2026-10-20).