Hardware Spec Index

Novexa HD-4256 XT 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD4256-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,632 (Hard Drives scale)
Category rank#7,031
Street price$439
Power8 W
Performance per dollar6.00
Released2025

Specifications

BrandNovexa
ModelNovexa HD-4256 XT
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-9624 Core 24TB 7,200 RPM CMR NAS Hard Drive2,689$529Compare
Strivon HD-7936 Edge 4TB 5,400 RPM SMR Desktop Hard Drive1,158$89Compare
Mirenta HD-3660 SE 24TB 7,200 RPM CMR Enterprise Hard Drive2,918$449Compare
Novexa HD-5976 Ultra 2TB 5,400 RPM SMR Desktop Hard Drive994$79Compare
Mirenta HD-9031 Pro 24TB 7,200 RPM CMR NAS Hard Drive2,904$439Compare
Altrix HD-9185 Ultra 28TB 7,200 RPM CMR NAS Hard Drive2,983$559Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-4256 XT 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/92717406 (accessed 2026-10-25).