Hardware Spec Index

Altrix HD-2581 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD2581-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index1,214 (Hard Drives scale)
Category rank#21,446
Street price$119
Power5 W
Performance per dollar10.20
Released2022

Specifications

BrandAltrix
ModelAltrix HD-2581 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
Altrix HD-5058 Edge 6TB 5,400 RPM CMR Desktop Hard Drive1,564$139Compare
Novexa HD-5302 Ti 24TB 7,200 RPM CMR NAS Hard Drive2,919$509Compare
Altrix HD-7031 Pro 8TB 7,200 RPM CMR NAS Hard Drive1,718$179Compare
Altrix HD-1694 Pro 2TB 5,400 RPM CMR Desktop Hard Drive1,159$99Compare
Mirenta HD-7541 SE 20TB 7,200 RPM CMR Enterprise Hard Drive2,810$449Compare
Novexa HD-5478 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive1,428$129Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-2581 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/11038993 (accessed 2026-10-25).