Hardware Spec Index

Novexa HD-6521 Core 6TB 5,400 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD6521-CORE · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,062 (Hard Drives scale)
Category rank#34,495
Street price$79
Power5 W
Performance per dollar13.44
Released2020

Specifications

BrandNovexa
ModelNovexa HD-6521 Core
Capacity6 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer190 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledNo
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Altrix HD-5091 SE 16TB 7,200 RPM CMR Enterprise Hard Drive2,193$329Compare
Altrix HD-5902 Pro 4TB 5,400 RPM SMR Desktop Hard Drive1,114$89Compare
Mirenta HD-5167 XT 12TB 7,200 RPM CMR NAS Hard Drive2,388$329Compare
Mirenta HD-2952 Plus 12TB 7,200 RPM CMR Surveillance Hard Drive1,760$229Compare
Mirenta HD-2766 XT 4TB 5,400 RPM CMR Desktop Hard Drive1,201$99Compare
Mirenta HD-3978 Ultra 6TB 5,400 RPM CMR Surveillance Hard Drive1,641$179Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6521 Core 6TB 5,400 RPM CMR NAS Hard Drive”, https://vextor7.com/item/5501600 (accessed 2026-10-25).