Hardware Spec Index

Strivon HD-6521 SE 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Strivon · SKU HD6521-SE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index2,988 (Hard Drives scale)
Category rank#22,041
Street price$489
Power8 W
Performance per dollar6.11
Released2022

Specifications

BrandStrivon
ModelStrivon HD-6521 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
Strivon HD-1556 XT 20TB 7,200 RPM CMR Enterprise Hard Drive2,578$439Compare
Altrix HD-6696 Ti 16TB 7,200 RPM CMR Enterprise Hard Drive2,228$309Compare
Novexa HD-5956 SE 2TB 5,400 RPM SMR Desktop Hard Drive825$69Compare
Novexa HD-7056 Plus 24TB 7,200 RPM CMR Enterprise Hard Drive2,556$459Compare
Altrix HD-2473 Edge 24TB 7,200 RPM CMR NAS Hard Drive2,583$409Compare
Strivon HD-4485 SE 12TB 7,200 RPM CMR NAS Hard Drive1,805$209Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Strivon HD-6521 SE 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/28118135 (accessed 2026-10-22).