Hardware Spec Index

Novexa HD-4638 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Novexa · SKU HD4638-EDGE · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index2,215 (Hard Drives scale)
Category rank#44,666
Street price$329
Power8 W
Performance per dollar6.73
Released2023

Specifications

BrandNovexa
ModelNovexa HD-4638 Edge
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
Mirenta HD-7897 Ultra 12TB 7,200 RPM CMR Desktop Hard Drive2,065$289Compare
Altrix HD-4479 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive2,159$319Compare
Strivon HD-8365 Ultra 12TB 7,200 RPM CMR NAS Hard Drive1,719$199Compare
Mirenta HD-8719 SE 6TB 5,400 RPM CMR NAS Hard Drive1,763$179Compare
Novexa HD-5647 SE 20TB 7,200 RPM CMR NAS Hard Drive3,048$599Compare
Mirenta HD-6845 SE 28TB 7,200 RPM CMR Enterprise Hard Drive2,772$429Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-4638 Edge 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/3228058 (accessed 2026-10-23).