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Tomasz Tunguz:AI 基建呈长鞭效应,瓶颈逐级传导推高成本

2026-08-25 11:28:41

ChainCatcher 消息,风险投资人 Tomasz Tunguz 发文指出,AI 基础设施叙事如同缓慢接力赛,瓶颈依次从 GPU 传导至内存、CPU 与存储,每一环节都会冻结下一环节供应链数年,并锁定更高基准成本。2023 年初 GPU 冲击使 H100 租金超过每小时 9 美元,服务器出货量下降 22%;随后厂商将产能转向 HBM,企业级 SSD 价格单季上涨 80%,DRAM 涨幅超 60%。

至 2025 年末,智能体工作负载将 CPU 与 GPU 配比推向约 1:1,服务器 CPU 均价同比上升 27%;2026 年近线 HDD 全年产能售罄。数据中心土建成本升至约每吉瓦 200 亿美元,变压器、涡轮机等长周期设备订单已排至 2029 至 2031 年。

Tunguz 称此为硬件领域的长鞭效应:多年制造时滞使下游需求冲击被上游放大,当压力在某一瓶颈缓解后会延迟传导至下一环节,2027 至 2028 年交付的变压器扩产、NAND 晶圆厂与涡轮产线或面临产能过剩风险。

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