Hardware Spec Index

Altrix HD-3715 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD3715-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index2,335 (Hard Drives scale)
Category rank#32,648
Street price$319
Power8 W
Performance per dollar7.32
Released2020

Specifications

BrandAltrix
ModelAltrix HD-3715 Ultra
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
Altrix HD-8636 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive1,133$99Compare
Novexa HD-4627 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive1,120$89Compare
Altrix HD-9931 Core 8TB 7,200 RPM CMR NAS Hard Drive1,911$219Compare
Novexa HD-6147 Plus 16TB 7,200 RPM CMR NAS Hard Drive2,218$319Compare
Novexa HD-7079 Plus 24TB 7,200 RPM CMR Enterprise Hard Drive2,581$409Compare
Novexa HD-3416 SE 6TB 5,400 RPM CMR NAS Hard Drive1,668$159Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3715 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/9027870 (accessed 2026-10-19).