Hardware Spec Index

Altrix HD-5638 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD5638-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,476 (Hard Drives scale)
Category rank#8,665
Street price$139
Power5 W
Performance per dollar10.62
Released2019

Specifications

BrandAltrix
ModelAltrix HD-5638 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-2664 Core 4TB 5,400 RPM SMR Desktop Hard Drive719$59Compare
Novexa HD-1150 Prime 24TB 7,200 RPM CMR NAS Hard Drive2,752$519Compare
Altrix HD-1518 Edge 6TB 5,400 RPM CMR Desktop Hard Drive1,194$89Compare
Novexa HD-2428 Core 6TB 5,400 RPM CMR NAS Hard Drive1,370$109Compare
Novexa HD-8208 Max 8TB 7,200 RPM CMR Surveillance Hard Drive1,607$189Compare
Altrix HD-7823 SE 16TB 7,200 RPM CMR Enterprise Hard Drive2,349$359Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-5638 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/76351838 (accessed 2026-10-19).