Hardware Spec Index

Altrix HD-9581 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD9581-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,303 (Hard Drives scale)
Category rank#15,747
Street price$109
Power5 W
Performance per dollar11.95
Released2025

Specifications

BrandAltrix
ModelAltrix HD-9581 Ultra
Capacity4 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 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
Novexa HD-2013 Edge 2TB 5,400 RPM CMR Desktop Hard Drive1,040$79Compare
Mirenta HD-6104 Plus 20TB 7,200 RPM CMR NAS Hard Drive3,024$569Compare
Altrix HD-3756 Prime 6TB 5,400 RPM CMR NAS Hard Drive1,612$179Compare
Mirenta HD-1008 Ti 8TB 7,200 RPM CMR Surveillance Hard Drive1,218$99Compare
Strivon HD-3791 Ti 20TB 7,200 RPM CMR NAS Hard Drive2,801$499Compare
Novexa HD-6156 XT 16TB 7,200 RPM CMR NAS Hard Drive2,528$469Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9581 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/1473014 (accessed 2026-10-21).