Hardware Spec Index

Novexa HD-6521 Pro 4TB 5,400 RPM SMR Desktop Hard Drive

Hard Drives · Novexa · SKU HD6521-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,468 (Hard Drives scale)
Category rank#44,309
Street price$119
Power5 W
Performance per dollar12.34
Released2022

Specifications

BrandNovexa
ModelNovexa HD-6521 Pro
Capacity4 TB
ClassDesktop
RecordingSMR (shingled magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

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Cite this page: Hardware Spec Index, “Novexa HD-6521 Pro 4TB 5,400 RPM SMR Desktop Hard Drive”, https://vextor7.com/item/8429344 (accessed 2026-10-20).