Hardware Spec Index

Altrix HD-6631 SE 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD6631-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,693 (Hard Drives scale)
Category rank#48,727
Street price$469
Power8 W
Performance per dollar5.74
Released2021

Specifications

BrandAltrix
ModelAltrix HD-6631 SE
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
Novexa HD-2578 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,433$399Compare
Mirenta HD-5604 XT 12TB 7,200 RPM CMR NAS Hard Drive1,618$189Compare
Novexa HD-6396 XT 24TB 7,200 RPM CMR Enterprise Hard Drive2,734$449Compare
Altrix HD-3991 Ultra 6TB 5,400 RPM SMR Desktop Hard Drive1,387$119Compare
Novexa HD-3764 SE 20TB 7,200 RPM CMR NAS Hard Drive2,214$279Compare
Altrix HD-9236 Prime 16TB 7,200 RPM CMR Enterprise Hard Drive2,584$449Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-6631 SE 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/16005205 (accessed 2026-10-19).