Hardware Spec Index

Altrix HD-4915 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4915-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index2,166 (Hard Drives scale)
Category rank#1,961
Street price$279
Power8 W
Performance per dollar7.76
Released2023

Specifications

BrandAltrix
ModelAltrix HD-4915 Ultra
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
Altrix HD-8051 Pro 20TB 7,200 RPM CMR NAS Hard Drive2,556$459Compare
Novexa HD-9892 Pro 6TB 5,400 RPM CMR Desktop Hard Drive1,633$179Compare
Novexa HD-1146 Edge 24TB 7,200 RPM CMR NAS Hard Drive3,100$519Compare
Altrix HD-3858 Prime 4TB 5,400 RPM SMR Desktop Hard Drive802$69Compare
Strivon HD-2457 Core 12TB 7,200 RPM CMR NAS Hard Drive2,171$259Compare
Altrix HD-8076 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive661$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4915 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/737436 (accessed 2026-10-24).