Hardware Spec Index

Strivon HD-8521 SE 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Strivon · SKU HD8521-SE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index2,833 (Hard Drives scale)
Category rank#4,917
Street price$519
Power8 W
Performance per dollar5.46
Released2021

Specifications

BrandStrivon
ModelStrivon HD-8521 SE
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
Mirenta HD-7838 SE 2TB 5,400 RPM CMR Surveillance Hard Drive724$59Compare
Altrix HD-7088 Plus 12TB 7,200 RPM CMR Surveillance Hard Drive1,663$199Compare
Novexa HD-4570 Max 20TB 7,200 RPM CMR NAS Hard Drive3,020$589Compare
Altrix HD-9375 SE 20TB 7,200 RPM CMR NAS Hard Drive2,764$489Compare
Mirenta HD-2482 Max 4TB 5,400 RPM CMR Desktop Hard Drive659$49Compare
Mirenta HD-3136 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,142$79Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Strivon HD-8521 SE 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/3367047 (accessed 2026-10-26).