Hardware Spec Index

Altrix HD-3991 XT 2TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD3991-XT · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index832 (Hard Drives scale)
Category rank#16,982
Street price$59
Power4 W
Performance per dollar14.10
Released2023

Specifications

BrandAltrix
ModelAltrix HD-3991 XT
Capacity2 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer170 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

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Cite this page: Hardware Spec Index, “Altrix HD-3991 XT 2TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/6955340 (accessed 2026-10-25).