Hardware Spec Index

Altrix HD-2947 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD2947-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,406 (Hard Drives scale)
Category rank#19,628
Street price$129
Power6 W
Performance per dollar10.90
Released2019

Specifications

BrandAltrix
ModelAltrix HD-2947 Ultra
Capacity8 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-5166 XT 2TB 5,400 RPM CMR Desktop Hard Drive1,063$79Compare
Novexa HD-5168 Ti 2TB 5,400 RPM CMR Surveillance Hard Drive826$69Compare
Altrix HD-9735 Max 4TB 5,400 RPM CMR Desktop Hard Drive676$59Compare
Altrix HD-4930 Plus 8TB 7,200 RPM CMR NAS Hard Drive1,341$109Compare
Mirenta HD-1252 XT 4TB 5,400 RPM SMR Desktop Hard Drive1,280$89Compare
Mirenta HD-9562 Max 24TB 7,200 RPM CMR Enterprise Hard Drive3,087$599Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-2947 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/6475822 (accessed 2026-10-23).