Hardware Spec Index

Novexa HD-8423 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Novexa · SKU HD8423-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index2,458 (Hard Drives scale)
Category rank#17,605
Street price$329
Power8 W
Performance per dollar7.47
Released2024

Specifications

BrandNovexa
ModelNovexa HD-8423 Ultra
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-6600 XT 6TB 5,400 RPM SMR Desktop Hard Drive1,433$119Compare
Mirenta HD-5827 Core 12TB 7,200 RPM SMR Desktop Hard Drive1,663$179Compare
Mirenta HD-9651 Prime 16TB 7,200 RPM CMR Enterprise Hard Drive2,363$349Compare
Novexa HD-3827 Max 4TB 5,400 RPM SMR Desktop Hard Drive1,463$149Compare
Novexa HD-9497 Prime 6TB 5,400 RPM CMR NAS Hard Drive1,147$89Compare
Novexa HD-5478 Pro 8TB 7,200 RPM SMR Desktop Hard Drive1,277$99Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-8423 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/80062 (accessed 2026-10-19).