Hardware Spec Index

Altrix HD-5551 XT 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD5551-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,487 (Hard Drives scale)
Category rank#8,803
Street price$149
Power7 W
Performance per dollar9.98
Released2020

Specifications

BrandAltrix
ModelAltrix HD-5551 XT
Capacity12 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

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Cite this page: Hardware Spec Index, “Altrix HD-5551 XT 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/20086244 (accessed 2026-10-20).