Hardware Spec Index

Altrix HD-4638 SE 12TB 7,200 RPM SMR Desktop Hard Drive

Hard Drives · Altrix · SKU HD4638-SE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,699 (Hard Drives scale)
Category rank#14,529
Street price$159
Power7 W
Performance per dollar10.69
Released2021

Specifications

BrandAltrix
ModelAltrix HD-4638 SE
Capacity12 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-2006 XT 2TB 5,400 RPM CMR Surveillance Hard Drive992$69Compare
Mirenta HD-5449 Core 12TB 7,200 RPM CMR Surveillance Hard Drive2,319$309Compare
Altrix HD-9705 Edge 12TB 7,200 RPM SMR Desktop Hard Drive1,639$179Compare
Strivon HD-4124 SE 4TB 5,400 RPM SMR Desktop Hard Drive1,581$159Compare
Altrix HD-7507 Edge 12TB 7,200 RPM CMR NAS Hard Drive1,939$199Compare
Novexa HD-6211 XT 6TB 5,400 RPM CMR Desktop Hard Drive1,556$159Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-4638 SE 12TB 7,200 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/5944358 (accessed 2026-10-24).