Hardware Spec Index

Altrix HD-9351 XT 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD9351-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,286 (Hard Drives scale)
Category rank#17,633
Street price$369
Power8 W
Performance per dollar6.20
Released2021

Specifications

BrandAltrix
ModelAltrix HD-9351 XT
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Altrix HD-3912 XT 4TB 5,400 RPM SMR Desktop Hard Drive792$59Compare
Mirenta HD-2710 Prime 20TB 7,200 RPM CMR NAS Hard Drive2,917$579Compare
Mirenta HD-3393 Ultra 8TB 7,200 RPM CMR Surveillance Hard Drive1,745$179Compare
Mirenta HD-3063 XT 2TB 5,400 RPM SMR Desktop Hard Drive1,211$109Compare
Novexa HD-5914 Prime 4TB 5,400 RPM SMR Desktop Hard Drive1,061$89Compare
Mirenta HD-7789 Prime 24TB 7,200 RPM CMR NAS Hard Drive3,100$599Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9351 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/426462 (accessed 2026-10-19).