[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [SystemInfo](./puppeteer.protocol.systeminfo.md) > [GPUDevice](./puppeteer.protocol.systeminfo.gpudevice.md) > [subSysId](./puppeteer.protocol.systeminfo.gpudevice.subsysid.md) ## Protocol.SystemInfo.GPUDevice.subSysId property Sub sys ID of the GPU, only available on Windows. Signature: ```typescript subSysId?: number; ```