Hardware Spec Index

Mirenta HD-4521 XT 6TB 5,400 RPM CMR NAS Hard Drive

Hard Drives · Mirenta · SKU HD4521-XT · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,269 (Hard Drives scale)
Category rank#28,766
Street price$109
Power5 W
Performance per dollar11.64
Released2019

Specifications

BrandMirenta
ModelMirenta HD-4521 XT
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
Novexa HD-7625 Max 4TB 5,400 RPM CMR Surveillance Hard Drive605$49Compare
Mirenta HD-4433 Ultra 12TB 7,200 RPM CMR Surveillance Hard Drive1,832$269Compare
Altrix HD-8123 Max 2TB 5,400 RPM SMR Desktop Hard Drive741$49Compare
Novexa HD-6537 Ultra 12TB 7,200 RPM CMR Desktop Hard Drive1,949$219Compare
Altrix HD-9092 Edge 4TB 5,400 RPM SMR Desktop Hard Drive749$59Compare
Strivon HD-9274 Prime 16TB 7,200 RPM CMR Enterprise Hard Drive1,799$249Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-4521 XT 6TB 5,400 RPM CMR NAS Hard Drive”, https://vextor7.com/item/5451700 (accessed 2026-10-22).