Hardware Spec Index

Altrix HD-3921 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD3921-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,114 (Hard Drives scale)
Category rank#4,402
Street price$99
Power4 W
Performance per dollar11.25
Released2026

Specifications

BrandAltrix
ModelAltrix HD-3921 Ultra
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-3921 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/9894833 (accessed 2026-10-22).