Hardware Spec Index

Altrix HD-9991 Ultra 8TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD9991-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,450 (Hard Drives scale)
Category rank#23,066
Street price$119
Power6 W
Performance per dollar12.18
Released2025

Specifications

BrandAltrix
ModelAltrix HD-9991 Ultra
Capacity8 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledNo
Warranty3 years

Related guides

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Cite this page: Hardware Spec Index, “Altrix HD-9991 Ultra 8TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/6520567 (accessed 2026-10-23).