Hardware Spec Index

Novexa HD-6815 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Novexa · SKU HD6815-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index2,461 (Hard Drives scale)
Category rank#1,086
Street price$419
Power8 W
Performance per dollar5.87
Released2024

Specifications

BrandNovexa
ModelNovexa HD-6815 Ultra
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 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-9578 Core 4TB 5,400 RPM SMR Desktop Hard Drive1,111$89Compare
Strivon HD-5006 Pro 24TB 7,200 RPM CMR NAS Hard Drive2,912$449Compare
Novexa HD-4061 Prime 8TB 7,200 RPM CMR Surveillance Hard Drive1,239$109Compare
Novexa HD-4195 Edge 16TB 7,200 RPM CMR NAS Hard Drive1,892$239Compare
Novexa HD-5306 SE 6TB 5,400 RPM CMR Surveillance Hard Drive1,054$79Compare
Altrix HD-4426 Prime 28TB 7,200 RPM CMR NAS Hard Drive2,862$459Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-6815 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/94555609 (accessed 2026-10-22).