Sourcing computer sound cards from China

Zero duty for computer sound-card assemblies

Read from the UK Trade Tariff on 9 October 2026, heading 8473 covers parts and accessories for the machines described in that heading. Computer electronic assemblies under 8473 30 20 00 carry 0% duty from China. The supplied tariff record lists no anti-dumping or countervailing duty, suspension or attached import control for this line.

The table shows sound-card variants sharing the electronic-assemblies code, rather than separate tariff subdivisions. This guide concerns internal computer cards. Confirm the commodity code against the actual construction and function, especially for external audio interfaces. See the computer graphics cards guide for another computer-board family within the wider heading. For server expansion components, see our server PCIe riser card sourcing guide. For server RAM purchases, see our server memory module sourcing guide. For server storage cards, see our server RAID card sourcing guide.

Specify the card, drivers and audio connections

Specify the motherboard slot interface, bracket height, board dimensions, audio chipset and supported operating systems. List the analogue and digital inputs and outputs, microphone support, headphone connection and any internal front-panel connector. Approve the driver installer and test a sample in the intended computer before accepting the production specification.

State whether cards must be new and identify the agreed chipset and board revision. Request the hazardous-substance declaration of conformity for the exact model. Individual products must show the importer's name or trademark and a contactable address on the product or packaging. Electromagnetic compatibility rules cover equipment liable to generate electromagnetic disturbance, subject to exceptions; ask for an assessment of the supplied card and supporting test evidence.

Worked duty example

Illustrative example, not a quote: Illustrative order of 40 internal computer sound cards under 8473 30 20 00, invoiced at £4,000 free on board, with £1,500 of freight and insurance to the UK. The customs value is £5,500. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £5,500, so it is £1,100. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.

Inspection checklist

Fit: install sampled cards in the intended computer, checking slot fit, bracket alignment, connector access and clearance from neighbouring boards. For case selection, see our guide to sourcing computer chassis.

Audio and drivers: check installation, restart and sleep recovery; test every agreed input and output for missing channels, hiss, distortion and intermittent sound using the approved driver.

Condition and packing: compare chipset markings and board revisions with the approved sample; check for rework, corrosion and bent contacts, then confirm shielding bags and secure carton packing at inspection.

Documents: match the model and board revision to the declaration and test evidence; check importer identification on the product or packaging.

What goes wrong

A card can fit the slot but fail with the buyer's operating system or front-panel wiring. Drivers may install without enabling every advertised connection. Background noise can appear only when the card runs inside the intended computer. Agree an audio test method and reject unapproved chipset or board substitutions.

Used cards can arrive as new stock, while inadequate static protection can cause intermittent faults. Retain the approved sample and agree how failed arrivals will be handled. Electrical-equipment producers must register annually; check whether the supplied sound cards fall within your producer responsibilities before selling them.

Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For machinery and equipment, see machinery imports.