USB-A
2 ports
USB 3.2 Gen 1Speed: 5 Gbps
Source text (1)
Supports
- Speed · 5 Gbps
Two USB-A ports.
Microsoft
Surface Book 3 15-inch
Surface Book 3 15-inch combines USB-C and USB-A with a built-in SD reader, giving it a more varied peripheral mix than a USB-C-only design.
Connectivity
USB-C
2 ports
USB 3.2 Gen 2DisplayPortPower DeliverySpeed: 10 Gbps
Source text (1)
Supports
- · DisplayPort
- · Power Delivery
- Speed · 10 Gbps
Two USB-C ports supporting USB 3.2 Gen 2, DisplayPort and charging.
SDXC
1 port
3.5mm headphone
1 port
Surface Connect
1 port
Surface Keyboard connector
1 port
Port availability and capabilities can vary by configuration. Always check the manufacturer's documentation for your specific model.