Hardware Spec Index

Altrix HD-7951 Edge 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD7951-EDGE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index2,424 (Hard Drives scale)
Category rank#40,536
Street price$399
Power8 W
Performance per dollar6.08
Released2020

Specifications

BrandAltrix
ModelAltrix HD-7951 Edge
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-3063 Edge 2TB 5,400 RPM SMR Desktop Hard Drive705$49Compare
Novexa HD-4635 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive880$69Compare
Mirenta HD-1163 Ti 12TB 7,200 RPM CMR NAS Hard Drive2,025$259Compare
Altrix HD-9066 Plus 28TB 7,200 RPM CMR NAS Hard Drive3,027$599Compare
Strivon HD-2391 Core 24TB 7,200 RPM CMR NAS Hard Drive2,942$529Compare
Novexa HD-3631 Pro 2TB 5,400 RPM CMR Surveillance Hard Drive657$49Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-7951 Edge 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/3594939 (accessed 2026-10-26).