Hardware Spec Index

Mirenta HD-4956 XT 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Mirenta · SKU HD4956-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index2,674 (Hard Drives scale)
Category rank#24,957
Street price$499
Power8 W
Performance per dollar5.36
Released2024

Specifications

BrandMirenta
ModelMirenta HD-4956 XT
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
Novexa HD-1079 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,570$449Compare
Novexa HD-8842 Ultra 16TB 7,200 RPM CMR Enterprise Hard Drive1,995$319Compare
Mirenta HD-6443 Pro 8TB 7,200 RPM CMR Surveillance Hard Drive1,444$149Compare
Novexa HD-4619 Max 12TB 7,200 RPM CMR NAS Hard Drive2,316$329Compare
Novexa HD-2138 SE 2TB 5,400 RPM CMR Desktop Hard Drive663$49Compare
Mirenta HD-7117 Edge 6TB 5,400 RPM CMR Surveillance Hard Drive1,012$89Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Mirenta HD-4956 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/4240367 (accessed 2026-10-19).