Hardware Spec Index

Altrix HD-3665 Max 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD3665-MAX · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index2,832 (Hard Drives scale)
Category rank#10,794
Street price$549
Power8 W
Performance per dollar5.16
Released2019

Specifications

BrandAltrix
ModelAltrix HD-3665 Max
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-2656 Core 12TB 7,200 RPM CMR Desktop Hard Drive2,477$349Compare
Mirenta HD-9788 Ultra 4TB 5,400 RPM SMR Desktop Hard Drive849$59Compare
Altrix HD-2269 Pro 28TB 7,200 RPM CMR Enterprise Hard Drive3,100$559Compare
Novexa HD-1154 Ti 16TB 7,200 RPM CMR Enterprise Hard Drive2,725$459Compare
Novexa HD-2620 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive3,100$589Compare
Altrix HD-7683 XT 8TB 7,200 RPM CMR Surveillance Hard Drive1,601$149Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3665 Max 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/43420 (accessed 2026-10-19).