![](http://pdfasset.owneriq.net/1/c6/1c625b43-c31b-4599-8e55-cd4bf4588b70/1c625b43-c31b-4599-8e55-cd4bf4588b70-bg13.png)
Category Description HP ProBook
4520s UMA
HP ProBook
4520s
discrete
HP ProBook
4720s
discrete
Serviceability End-user replaceable parts:
AC adapter √√√
Battery (system) √√√
Hard drive √√√
Memory module √√√
Optical drive √√√
WLAN module √√√
WWAN module √√
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