Unverified85% confidenceTradeoffTime unknown
预算有限且只需单屏+外设扩展时不必买TB4坝,USB-C(DP Alt Mode)扩展坞即可满足单4K@60Hz+千兆网+USB口,价格约为雷电坞的三分之一
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
-
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Unverified台式机主机后置USB口足够时不建议买昂贵的雷电扩展坞,雷电4坞成本主要花在40Gbps带宽和菊花链功能上,普通外设用不到,纯粹浪费77% similarUnverified预算有限且仅需单屏4K@60Hz+65W充电时,不必买雷电线,选普通DP Alt Mode 10Gbps线即可满足,雷电线的40Gbps带宽会被浪费75% similarUnverified接口数量与机身厚度直接冲突:1kg以下超薄机身通常只保留2个USB-C(其中1个还需供电),若需连投影/U盘/网线应确认是否支持雷电4以便一线扩展坞解决全部外设74% similarUnverifiedUSB口越多不等于越实用:多口共享总输出功率(如4口共18W),插排上标注的每口5V/2.4A往往无法同时满载;需要快充请认准单口独立标注PD/QC功率的产品72% similarUnverifiedUSB口越多越好但需看总输出上限:多口共享一个功率池的排插(如标'多口共60W')在插满设备时单口降速明显,重度充电需求应选支持单口PD30W以上且各口功率独立标注的型号69% similar
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