Hardware Spec Index

Novexa HD-3981 XT 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Novexa · SKU HD3981-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index2,934 (Hard Drives scale)
Category rank#4,406
Street price$549
Power8 W
Performance per dollar5.34
Released2024

Specifications

BrandNovexa
ModelNovexa HD-3981 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
Novexa HD-1646 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive621$59Compare
Novexa HD-8171 Prime 12TB 7,200 RPM CMR Surveillance Hard Drive2,080$229Compare
Altrix HD-2526 Pro 6TB 5,400 RPM CMR Surveillance Hard Drive1,003$89Compare
Strivon HD-1164 Max 6TB 5,400 RPM CMR NAS Hard Drive1,578$159Compare
Novexa HD-1650 Core 8TB 7,200 RPM SMR Desktop Hard Drive1,830$209Compare
Novexa HD-1090 Plus 2TB 5,400 RPM CMR Surveillance Hard Drive763$59Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-3981 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/1718337 (accessed 2026-10-25).