Hardware Spec Index

Novexa HD-8421 XT 8TB 7,200 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD8421-XT · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index2,113 (Hard Drives scale)
Category rank#11,613
Street price$259
Power6 W
Performance per dollar8.16
Released2021

Specifications

BrandNovexa
ModelNovexa HD-8421 XT
Capacity8 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer220 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

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Cite this page: Hardware Spec Index, “Novexa HD-8421 XT 8TB 7,200 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/33039521 (accessed 2026-10-24).