Hardware Spec Index

Altrix HD-4390 Ti 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD4390-TI · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index2,164 (Hard Drives scale)
Category rank#38,632
Street price$349
Power8 W
Performance per dollar6.20
Released2024

Specifications

BrandAltrix
ModelAltrix HD-4390 Ti
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-1401 SE 20TB 7,200 RPM CMR Enterprise Hard Drive2,523$339Compare
Mirenta HD-5792 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive1,173$99Compare
Altrix HD-5235 SE 8TB 7,200 RPM SMR Desktop Hard Drive1,837$189Compare
Mirenta HD-8378 Prime 6TB 5,400 RPM SMR Desktop Hard Drive1,004$69Compare
Altrix HD-8652 SE 16TB 7,200 RPM CMR Enterprise Hard Drive2,243$329Compare
Strivon HD-1457 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,800$489Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4390 Ti 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/1225935 (accessed 2026-10-25).