| Specification | Details |
| Brand & Model | Microsoft Surface Dock (Model 1661) with 90W Power Supply (Model 1749) |
| Power Output & Supply | 90W Power Adapter (15V / 6A output; delivers up to 60W passthrough charging to the connected Surface device) |
| Port Configuration | • 4 x USB 3.0 Ports (2 front, 2 rear)
• 2 x Mini DisplayPort outputs
• 1 x Gigabit Ethernet LAN port
• 1 x 3.5mm audio out jack |
| Video & Display Support | Supports external display resolutions up to 4K @ 30Hz or dual monitors up to 2960 x 1440 @ 60Hz via Mini DisplayPort |
| Connectivity Technology | Surface Connect proprietary magnetic cable interface for simultaneous high-speed data, audio, and power delivery |
| Build & Security | Compact desktop hub design with a sturdy frame and an integrated security lock slot |
| Compatibility | Microsoft Surface Pro (3 through 9 / X), Surface Laptop (1 through 5+), Surface Book (1 through 3), Surface Go series, and Surface Laptop Studio |
| Primary Use | Converting a portable Microsoft Surface device into a full desktop workstation with multi-monitor support, wired networking, and full peripheral connectivity |
