Hardware Spec Index

Altrix HD-3639 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD3639-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,131 (Hard Drives scale)
Category rank#26,433
Street price$89
Power5 W
Performance per dollar12.71
Released2019

Specifications

BrandAltrix
ModelAltrix HD-3639 Pro
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-9264 Ti 24TB 7,200 RPM CMR Enterprise Hard Drive3,006$569Compare
Strivon HD-7774 Ultra 16TB 7,200 RPM CMR NAS Hard Drive2,209$309Compare
Novexa HD-2236 Max 12TB 7,200 RPM SMR Desktop Hard Drive2,383$349Compare
Mirenta HD-2326 Plus 4TB 5,400 RPM CMR Desktop Hard Drive1,126$99Compare
Strivon HD-7292 Max 2TB 5,400 RPM CMR Surveillance Hard Drive1,027$79Compare
Mirenta HD-7747 Pro 12TB 7,200 RPM SMR Desktop Hard Drive1,987$249Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-3639 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/7787982 (accessed 2026-10-22).