Hardware Spec Index

Altrix HD-8239 Plus 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD8239-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index3,015 (Hard Drives scale)
Category rank#929
Street price$469
Power8 W
Performance per dollar6.43
Released2019

Specifications

BrandAltrix
ModelAltrix HD-8239 Plus
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
Mirenta HD-3672 Ti 4TB 5,400 RPM CMR Surveillance Hard Drive1,411$109Compare
Altrix HD-4856 Core 8TB 7,200 RPM CMR Surveillance Hard Drive2,050$259Compare
Altrix HD-5569 SE 2TB 5,400 RPM SMR Desktop Hard Drive718$59Compare
Novexa HD-5538 SE 2TB 5,400 RPM CMR Surveillance Hard Drive1,147$99Compare
Altrix HD-3453 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive2,829$509Compare
Altrix HD-2664 Edge 6TB 5,400 RPM CMR NAS Hard Drive1,478$159Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-8239 Plus 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/93021713 (accessed 2026-10-22).