Hardware Spec Index

Altrix HD-8521 Plus 12TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD8521-PLUS · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index2,518 (Hard Drives scale)
Category rank#28,490
Street price$359
Power7 W
Performance per dollar7.01
Released2022

Specifications

BrandAltrix
ModelAltrix HD-8521 Plus
Capacity12 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

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Cite this page: Hardware Spec Index, “Altrix HD-8521 Plus 12TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/1229570 (accessed 2026-10-22).