Hardware Spec Index

Novexa HD-7578 XT 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Novexa · SKU HD7578-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index2,632 (Hard Drives scale)
Category rank#1,243
Street price$459
Power8 W
Performance per dollar5.73
Released2023

Specifications

BrandNovexa
ModelNovexa HD-7578 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
Strivon HD-8119 Prime 24TB 7,200 RPM CMR NAS Hard Drive3,095$599Compare
Novexa HD-9154 Max 20TB 7,200 RPM CMR Enterprise Hard Drive1,977$239Compare
Altrix HD-8919 Ti 8TB 7,200 RPM CMR Surveillance Hard Drive1,475$159Compare
Altrix HD-2819 Ultra 24TB 7,200 RPM CMR Enterprise Hard Drive2,951$559Compare
Altrix HD-2021 Max 8TB 7,200 RPM CMR Surveillance Hard Drive1,322$119Compare
Altrix HD-5199 XT 2TB 5,400 RPM SMR Desktop Hard Drive915$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-7578 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/24251440 (accessed 2026-10-19).