Hardware Spec Index

Altrix HD-3660 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD3660-PLUS · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index2,933 (Hard Drives scale)
Category rank#13,916
Street price$489
Power8 W
Performance per dollar6.00
Released2020

Specifications

BrandAltrix
ModelAltrix HD-3660 Plus
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 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
Strivon HD-9964 Core 16TB 7,200 RPM CMR Enterprise Hard Drive2,409$409Compare
Mirenta HD-7767 Core 8TB 7,200 RPM CMR Desktop Hard Drive1,467$139Compare
Strivon HD-7473 XT 24TB 7,200 RPM CMR NAS Hard Drive2,763$489Compare
Novexa HD-1780 Prime 6TB 5,400 RPM CMR NAS Hard Drive1,063$99Compare
Novexa HD-3121 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive2,778$559Compare
Novexa HD-1976 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,894$579Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3660 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/9607034 (accessed 2026-10-21).