最佳 Mac 和 PC 用 Thunderbolt 4 扩展坞
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一根线缆搞定一切：通过 TB4 扩展坞连接显示器、Ethernet、USB 和充电。
## Why Thunderbolt 4?
TB4 docks use a single USB-C cable to your laptop and provide:
- Up to 98W laptop charging
- Dual 4K@60Hz display output
- Multiple USB-A and USB-C ports
- Gigabit or 2.5G Ethernet
- SD card reader
## Top Picks
### Best Overall: CalDigit TS4
- 18 ports including 2x TB4 downstream
- 98W charging, 2.5G Ethernet
- Works flawlessly with Mac and PC
- ~$380
### Best Compact: Satechi Thunderbolt 4 Slim Hub Pro
- 5 ports: 3x TB4 + 1x USB-A
- 96W charging pass-through
- Pocket-sized for travel
- ~$200
### Best Value: Anker 777 Thunderbolt Docking Station
- 12 ports, 90W charging
- 1x TB4 downstream
- ~$250
## USB-C Dock Alternative
If your laptop doesn't have Thunderbolt, a USB-C dock ($80-150) handles most tasks. You'll lose TB4 daisy-chaining and some display bandwidth, but gain value.