![OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/61mlx7jlbVL._AC_UF894,1000_QL80_.jpg)
OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com
![A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/71E6OmCyDIL._AC_UF894,1000_QL80_.jpg)
A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com
![A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/71EaMOKQdtL._AC_UF350,350_QL80_.jpg)
A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com
![HP ProBook 4520s Intel Core i3 M380 CPU @ 2.53GHz, 4GB RAM, 320GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business. HP ProBook 4520s Intel Core i3 M380 CPU @ 2.53GHz, 4GB RAM, 320GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.](https://connectall.org/pub/media/catalog/product/cache/afa8b91304eb85919a82650a031c8fd7/h/p/hp_probook_4520s_front_angle_8.jpg)
HP ProBook 4520s Intel Core i3 M380 CPU @ 2.53GHz, 4GB RAM, 320GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
![OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71Vz3D01fSL._AC_UF894,1000_QL80_.jpg)
OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com
![A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/717URWb5MML._AC_UF350,350_QL80_.jpg)
A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com
![A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/71sOubpERcL._AC_UF894,1000_QL80_.jpg)
A-Tech 8GB (2 x 4GB) RAM for HP PROBOOK 4520S | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com
![Laptop Motherboard For HP Probook 4520S 4720S HM57 Notebook Mainboard 598667-001 598667-501 H9265-1 48.4GK06.041 DDR3 Laptop Motherboard For HP Probook 4520S 4720S HM57 Notebook Mainboard 598667-001 598667-501 H9265-1 48.4GK06.041 DDR3](https://ae01.alicdn.com/kf/HTB1L1bMXVY7gK0jSZKzq6yikpXa9/Laptop-Motherboard-For-HP-Probook-4520S-4720S-HM57-Notebook-Mainboard-598667-001-598667-501-H9265-1.jpg)
Laptop Motherboard For HP Probook 4520S 4720S HM57 Notebook Mainboard 598667-001 598667-501 H9265-1 48.4GK06.041 DDR3
![8GB (2X4GB) Memory Ram Compatible with Hp/Compaq Probook 4520S By CMS A29 - Computer Memory Solutions 8GB (2X4GB) Memory Ram Compatible with Hp/Compaq Probook 4520S By CMS A29 - Computer Memory Solutions](https://www.computermemorysolutions.com/wp-content/uploads/2019/06/DDR3204PINDIMMX2Front350994-1453.jpg)
8GB (2X4GB) Memory Ram Compatible with Hp/Compaq Probook 4520S By CMS A29 - Computer Memory Solutions
![8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Compaq HP Probook 4520s (WZ254UT#ABA) (Genuine A-Tech Brand) at Amazon.com 8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Compaq HP Probook 4520s (WZ254UT#ABA) (Genuine A-Tech Brand) at Amazon.com](https://m.media-amazon.com/images/I/71z2T6h7ikL._AC_UF894,1000_QL80_.jpg)