Hardware Spec Index

Altrix HD-8420 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD8420-EDGE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,475 (Hard Drives scale)
Category rank#3,458
Street price$159
Power6 W
Performance per dollar9.28
Released2021

Specifications

BrandAltrix
ModelAltrix HD-8420 Edge
Capacity8 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 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
Altrix HD-9086 Edge 6TB 5,400 RPM CMR Surveillance Hard Drive1,511$119Compare
Mirenta HD-9660 Pro 6TB 5,400 RPM CMR Desktop Hard Drive1,066$79Compare
Novexa HD-7240 Pro 24TB 7,200 RPM CMR NAS Hard Drive2,867$479Compare
Mirenta HD-8398 Edge 6TB 5,400 RPM SMR Desktop Hard Drive1,446$129Compare
Novexa HD-4825 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive939$59Compare
Novexa HD-1674 Plus 6TB 5,400 RPM CMR Surveillance Hard Drive1,067$89Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-8420 Edge 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/576860 (accessed 2026-10-26).