Hardware Spec Index

Altrix HD-4855 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD4855-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,474 (Hard Drives scale)
Category rank#10,081
Street price$399
Power7 W
Performance per dollar6.20
Released2025

Specifications

BrandAltrix
ModelAltrix HD-4855 Ultra
Capacity16 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer260 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

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Cite this page: Hardware Spec Index, “Altrix HD-4855 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/31672073 (accessed 2026-10-24).