Hardware Spec Index

Altrix HD-3638 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD3638-TI · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index2,680 (Hard Drives scale)
Category rank#45,934
Street price$399
Power8 W
Performance per dollar6.72
Released2024

Specifications

BrandAltrix
ModelAltrix HD-3638 Ti
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
Novexa HD-5453 Edge 8TB 7,200 RPM SMR Desktop Hard Drive2,045$309Compare
Mirenta HD-2584 Plus 20TB 7,200 RPM CMR NAS Hard Drive2,647$439Compare
Altrix HD-1308 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive2,442$449Compare
Altrix HD-1630 Max 6TB 5,400 RPM CMR Surveillance Hard Drive1,407$129Compare
Altrix HD-8158 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive846$59Compare
Novexa HD-4808 Prime 12TB 7,200 RPM SMR Desktop Hard Drive2,276$339Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3638 Ti 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/68301305 (accessed 2026-10-19).