Hardware Spec Index

Altrix HD-4311 Max 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD4311-MAX · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index3,076 (Hard Drives scale)
Category rank#10,794
Street price$569
Power8 W
Performance per dollar5.41
Released2020

Specifications

BrandAltrix
ModelAltrix HD-4311 Max
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

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Cite this page: Hardware Spec Index, “Altrix HD-4311 Max 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/2583469 (accessed 2026-10-20).