Hardware Spec Index

Novexa HD-6558 Edge 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD6558-EDGE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index2,797 (Hard Drives scale)
Category rank#13,675
Street price$519
Power8 W
Performance per dollar5.39
Released2023

Specifications

BrandNovexa
ModelNovexa HD-6558 Edge
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
Altrix HD-6518 Plus 4TB 5,400 RPM CMR Surveillance Hard Drive1,185$99Compare
Strivon HD-2644 Ultra 12TB 7,200 RPM CMR NAS Hard Drive2,400$399Compare
Strivon HD-3374 Prime 24TB 7,200 RPM CMR Enterprise Hard Drive2,643$419Compare
Mirenta HD-1088 Plus 12TB 7,200 RPM CMR NAS Hard Drive2,007$279Compare
Novexa HD-5861 Plus 8TB 7,200 RPM CMR NAS Hard Drive1,727$209Compare
Altrix HD-1573 Prime 6TB 5,400 RPM CMR NAS Hard Drive1,189$119Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6558 Edge 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/20034602 (accessed 2026-10-19).