For the best upgrade performance for your Compaq HP Probook 4520s (WZ254UT#ABA), trust A-Tech Memory. Your computer requires a certain type of ram with detailed specifications. Know that Genuine A-Tech Memory offers the best guaranteed compatibility and reliability for your machine.

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The HP spill-resistant keyboard is designed using a thin layer of Mylar film under the keyboard. The 101/102-key compatible keyboard features a full-pitch key layout with desktop keyboard features, such as editing keys, both left and right control and alt keys, and function keys. Solved: ProBook 4540s - Maximum Supported Memory ? - HP Unit support 16GB Memory it has 2 slots Each slot can hold 8GB stick. HP ProBook 4540s Notebook PC - specifications. Let us know how it goes! "I work for HP." ****Click the (purple thumbs up icon in the lower right corner of a post) to say thanks****

2GB RAM Memory for HP-Compaq ProBook 4520s (DDR3-10600) - Laptop Memory Upgrade by OFFTEK. 4.5 out of 5 stars 6 ratings. Price: $17.79 + $1.99 shipping

For the best upgrade performance for your Compaq HP Probook 4520s (WZ254UT#ABA), trust A-Tech Memory. Your computer requires a certain type of ram with detailed specifications. Know that Genuine A-Tech Memory offers the best guaranteed compatibility and reliability for your machine. HP ProBook 4530s Notebook PC Product Specifications | HP Specifications document for HP ProBook 4530s Notebook PC. 4: Due to the non-industry standard nature of some third-party memory modules, we recommend HP branded memory to ensure compatibility. If you mix memory speeds, the system will perform at the lower memory speed. Amazon.com: 4GB RAM Memory for HP-Compaq ProBook 4520s 4GB RAM Memory for HP-Compaq ProBook 4520s (DDR3-8500) - Laptop Memory Upgrade OFFTEK Part Number :-FT512MSK64V1N-961638 Capacity :-4GB Module Form Factor :-204 Pin SoDimm Memory Type :-DDR3 Bandwidth :-DDR3-8500 (PC3-1066) Memory Specs :-204 Pin 1.5v DDR3 PC3-8500 SoDimm Premier Brand Memory How to disassemble the HP ProBook 4525s, replace the Aug 18, 2015