Hardware Spec Index

Altrix HD-3859 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD3859-PRO · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,288 (Hard Drives scale)
Category rank#10,768
Street price$289
Power8 W
Performance per dollar7.92
Released2025

Specifications

BrandAltrix
ModelAltrix HD-3859 Pro
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

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Cite this page: Hardware Spec Index, “Altrix HD-3859 Pro 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/9039712 (accessed 2026-10-21).