Hardware Spec Index

Altrix HD-4277 XT 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD4277-XT · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,982 (Hard Drives scale)
Category rank#14,407
Street price$279
Power7 W
Performance per dollar7.10
Released2023

Specifications

BrandAltrix
ModelAltrix HD-4277 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-4277 XT 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/4621086 (accessed 2026-10-20).