Hardware Spec Index

Altrix HD-4261 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD4261-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index3,100 (Hard Drives scale)
Category rank#18,820
Street price$529
Power8 W
Performance per dollar5.86
Released2020

Specifications

BrandAltrix
ModelAltrix HD-4261 Ultra
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
Strivon HD-3590 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive2,364$339Compare
Altrix HD-2131 Ti 16TB 7,200 RPM CMR Enterprise Hard Drive1,961$249Compare
Strivon HD-7852 Ti 12TB 7,200 RPM CMR NAS Hard Drive1,593$159Compare
Altrix HD-4981 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,128$349Compare
Altrix HD-3110 Prime 16TB 7,200 RPM CMR Enterprise Hard Drive1,811$219Compare
Altrix HD-5115 Plus 8TB 7,200 RPM CMR Surveillance Hard Drive2,153$279Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4261 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/21396422 (accessed 2026-10-19).