Hardware Spec Index

Altrix HD-7521 SE 6TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Altrix · SKU HD7521-SE · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,529 (Hard Drives scale)
Category rank#47,805
Street price$139
Power5 W
Performance per dollar11.00
Released2023

Specifications

BrandAltrix
ModelAltrix HD-7521 SE
Capacity6 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer190 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
Mirenta HD-3103 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive1,487$139Compare
Altrix HD-2618 XT 20TB 7,200 RPM CMR NAS Hard Drive2,308$369Compare
Altrix HD-6485 Edge 24TB 7,200 RPM CMR NAS Hard Drive2,833$469Compare
Mirenta HD-4961 SE 6TB 5,400 RPM CMR NAS Hard Drive1,591$159Compare
Mirenta HD-5390 Plus 8TB 7,200 RPM SMR Desktop Hard Drive1,831$239Compare
Novexa HD-7161 Edge 20TB 7,200 RPM CMR NAS Hard Drive2,181$319Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-7521 SE 6TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/90288265 (accessed 2026-10-24).