Hardware Spec Index

Novexa HD-3155 XT 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Novexa · SKU HD3155-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,333 (Hard Drives scale)
Category rank#40,060
Street price$359
Power8 W
Performance per dollar6.50
Released2021

Specifications

BrandNovexa
ModelNovexa HD-3155 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
Mirenta HD-7939 Ti 6TB 5,400 RPM SMR Desktop Hard Drive1,097$89Compare
Strivon HD-2760 Plus 24TB 7,200 RPM CMR NAS Hard Drive2,966$529Compare
Mirenta HD-8139 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive2,497$429Compare
Altrix HD-3144 Edge 28TB 7,200 RPM CMR Enterprise Hard Drive2,872$579Compare
Mirenta HD-5615 Prime 2TB 5,400 RPM CMR Surveillance Hard Drive803$49Compare
Mirenta HD-7566 Prime 4TB 5,400 RPM SMR Desktop Hard Drive1,557$149Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-3155 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/4647682 (accessed 2026-10-20).