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PX-310

Name: PX-310
Brand: Brainboxes

Brainboxes

£264

We have not confirmed this price since it was first recorded. Check before buying.

Alternative option: ES-313 PCIe 2xRS422/485 1MBaud Opto Isolated PCI Express Card providing two opto isolated RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmitand 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Optical isolation provides greater protection from electrical current surges to both the card itself and the PC. It improves noise immunity by isolating the PC from the card’s transmit ground. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Serve

Brainboxes's own words, read from their page.

Buy from BRAINBOXES LIMITEDOut of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.

UK company
Registered at Companies House as BRAINBOXES LIMITED, number 03245094. Checked 2026-08-29.
Means the business is a British legal entity, not a British-sounding name owned elsewhere. It says nothing about where anything is made.
UK operations
Not yet checked.
Means people employed here, or premises they actually work from. We keep this separate from the company badge because a registered office can be an accountant's spare room, and a company can be registered in Britain while everything it does happens somewhere else. Where we have not looked, we say so rather than assuming.
British-owned
No majority shareholding traced outside the UK. Companies House.
Read from the register of people with significant control, following the chain of holding companies. It does not gate anything: a firm can be made here and owned elsewhere, and that is worth telling you rather than hiding.
Where it is made
The maker doesn't say, so neither do we.
This is about the individual product, not the company. A British firm can sell things made abroad, which is normal and not a criticism. We would rather tell you which is which than average them into a score.

PX-310

Where this comes from

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