行動PCI Express模組(Mobile PCI Express Module,簡稱MXM)是由nVIDIA主導的圖形模組規範,基於PCI-E匯流排。主要應用在筆記型電腦上,使用該規範的產品其顯示晶片並非直接焊到主機板上,而是類似桌上型電腦擁有獨立的顯示卡插槽。這樣允許用戶自行更換顯卡。

使用MXM接口的筆記本電腦用GTX 780M

競爭對手AMD也制訂了類似規範Advance Express I/O Module(AXIOM),同樣基於PCI-E,但兩者互不相容。[來源請求]

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