Hardware Spec Index

Altrix HD-9638 XT 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD9638-XT · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index730 (Hard Drives scale)
Category rank#38,963
Street price$59
Power5 W
Performance per dollar12.37
Released2026

Specifications

BrandAltrix
ModelAltrix HD-9638 XT
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-2507 Ti 4TB 5,400 RPM SMR Desktop Hard Drive1,289$109Compare
Strivon HD-3841 Prime 12TB 7,200 RPM CMR Surveillance Hard Drive2,436$349Compare
Strivon HD-7634 SE 24TB 7,200 RPM CMR NAS Hard Drive2,374$429Compare
Strivon HD-1623 Ultra 2TB 5,400 RPM CMR Desktop Hard Drive1,235$99Compare
Mirenta HD-6995 Prime 16TB 7,200 RPM CMR NAS Hard Drive2,492$359Compare
Altrix HD-7454 Pro 8TB 7,200 RPM SMR Desktop Hard Drive1,995$219Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9638 XT 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/477034 (accessed 2026-10-24).