Hardware Spec Index

Altrix HD-9925 SE 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD9925-SE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index2,764 (Hard Drives scale)
Category rank#34,989
Street price$389
Power8 W
Performance per dollar7.11
Released2022

Specifications

BrandAltrix
ModelAltrix HD-9925 SE
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Novexa HD-6433 SE 6TB 5,400 RPM SMR Desktop Hard Drive1,715$209Compare
Altrix HD-7781 XT 8TB 7,200 RPM CMR Surveillance Hard Drive1,791$179Compare
Novexa HD-1526 Core 8TB 7,200 RPM CMR Desktop Hard Drive1,463$119Compare
Altrix HD-3851 Core 6TB 5,400 RPM CMR NAS Hard Drive1,008$79Compare
Altrix HD-1799 SE 6TB 5,400 RPM CMR NAS Hard Drive1,428$129Compare
Novexa HD-9710 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive2,024$229Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9925 SE 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/4897669 (accessed 2026-10-21).