Hardware Spec Index

Novexa HD-3921 XT 12TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD3921-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,476 (Hard Drives scale)
Category rank#5,245
Street price$379
Power7 W
Performance per dollar6.53
Released2021

Specifications

BrandNovexa
ModelNovexa HD-3921 XT
Capacity12 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer240 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledYes
Warranty2 years

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Cite this page: Hardware Spec Index, “Novexa HD-3921 XT 12TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/2425257 (accessed 2026-10-19).