Hardware Spec Index

Altrix HD-4684 XT 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4684-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index2,793 (Hard Drives scale)
Category rank#30,416
Street price$439
Power8 W
Performance per dollar6.36
Released2019

Specifications

BrandAltrix
ModelAltrix HD-4684 XT
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
Strivon HD-6974 Ti 2TB 5,400 RPM CMR Surveillance Hard Drive685$59Compare
Strivon HD-7699 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,941$539Compare
Mirenta HD-2564 Ultra 24TB 7,200 RPM CMR Enterprise Hard Drive2,911$539Compare
Strivon HD-1229 Max 4TB 5,400 RPM CMR Surveillance Hard Drive585$59Compare
Novexa HD-1560 Max 8TB 7,200 RPM CMR Surveillance Hard Drive1,290$109Compare
Altrix HD-7438 Pro 4TB 5,400 RPM CMR Desktop Hard Drive1,252$109Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4684 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/922376 (accessed 2026-10-25).