Unverified80% confidenceTradeoffTime unknown
容量与便携性权衡：2TB SSD即可满足绝大多数出行拍摄+文件需求且轻至50g左右；盲目上4TB SSD价格陡增，日常出行1-2TB更均衡
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80%
Confidence
Medium-term (~90 days)
Relevance
-
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Unverified容量与介质的权衡：大容量(4TB以上)机械盘性价比远高于SSD，但重且怕摔；追求便携抗震只能选SSD但同容量贵数倍——出行拍摄素材多可用小容量SSD做临时中转，回家转存大机械盘77% similarUnverified购买前需确认容量需求：20L适合日常通勤+轻量摄影，30L适合多日旅行或器材量较多的场景，两者背负体验因容量差异明显不同72% similarUnverified1.2L双层容量偏大且带电源线配件，整体比普通保温饭盒重且占空间，追求轻便通勤者慎选70% similarUnverified28L容量适合日常通勤和短途出行，不适合需要大量收纳或多日出行装备的用户70% similarUnverified蓬松度与轻量便携正相关但与价格也正相关：800fp以上的高端轻薄款贵但压缩极致，日常城市通勤600-700fp已足够，无需为便携性溢价69% similar
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