Hardware Spec Index

Altrix HD-4891 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4891-EDGE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index2,555 (Hard Drives scale)
Category rank#11,782
Street price$509
Power8 W
Performance per dollar5.02
Released2019

Specifications

BrandAltrix
ModelAltrix HD-4891 Edge
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 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-3800 Core 8TB 7,200 RPM CMR NAS Hard Drive1,731$179Compare
Strivon HD-9565 Pro 6TB 5,400 RPM SMR Desktop Hard Drive1,308$119Compare
Mirenta HD-3797 Pro 8TB 7,200 RPM CMR NAS Hard Drive1,897$239Compare
Mirenta HD-2909 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive814$69Compare
Mirenta HD-6035 Prime 8TB 7,200 RPM CMR Desktop Hard Drive1,332$109Compare
Altrix HD-5012 SE 2TB 5,400 RPM CMR Desktop Hard Drive704$49Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4891 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/298468 (accessed 2026-10-23).