![2GB Black Diamond Memory Module for Compaq HP Business Notebooks ProBook 4520s DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade - Newegg.com 2GB Black Diamond Memory Module for Compaq HP Business Notebooks ProBook 4520s DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade - Newegg.com](https://c1.neweggimages.com/ProductImage/ABYY_1_201806041423719247.jpg)
2GB Black Diamond Memory Module for Compaq HP Business Notebooks ProBook 4520s DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade - Newegg.com
![HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/3838/38861/probook201__82886.1497554519.1280.1280__87697.1644957412.jpg?c=2)
HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter
![HP Laptop ProBook Intel Core i3 1st Gen 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 32-bit 4520s (XT989UT#ABA) - Newegg.com HP Laptop ProBook Intel Core i3 1st Gen 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 32-bit 4520s (XT989UT#ABA) - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/34-157-673-02.jpg)
HP Laptop ProBook Intel Core i3 1st Gen 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 32-bit 4520s (XT989UT#ABA) - Newegg.com
![4AllDeals 4GB (1X4GB Memory RAM for HP/Compaq ProBook 4435s, 4436s, 4520s, 4525s, 4530s (DDR3-1333MHz 204-pin SODIMM) 4AllDeals 4GB (1X4GB Memory RAM for HP/Compaq ProBook 4435s, 4436s, 4520s, 4525s, 4530s (DDR3-1333MHz 204-pin SODIMM)](https://c.shld.net/rpx/i/s/pi/mp/27954/prod_15329791817?src=https%3A%2F%2Fimages-na.ssl-images-amazon.com%2Fimages%2FI%2F41C9bJt1%2BIL.jpg&d=03613cb6d3a970ca36b470b9738b88e7b995bea7)
4AllDeals 4GB (1X4GB Memory RAM for HP/Compaq ProBook 4435s, 4436s, 4520s, 4525s, 4530s (DDR3-1333MHz 204-pin SODIMM)
![HP ProBook 4520s Intel Core i3 M380 CPU @ 2.53GHz, 4GB RAM, 250GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business. HP ProBook 4520s Intel Core i3 M380 CPU @ 2.53GHz, 4GB RAM, 250GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.](https://connectall.org/pub/media/catalog/product/cache/65c31a2e408907440e398c2ebf221b50/h/p/hp_probook_4520s_front_angle_9.jpg)
HP ProBook 4520s Intel Core i3 M380 CPU @ 2.53GHz, 4GB RAM, 250GB 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/61mlx7jlbVL.jpg)
OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-8500) Laptop Memory at Amazon.com
![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 : Electronics 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 : Electronics](https://m.media-amazon.com/images/I/71E6OmCyDIL.jpg)
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 : Electronics
![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 : Electronics 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 : Electronics](https://m.media-amazon.com/images/I/51OEx4fW3xL._AC_SY350_.jpg)
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 : Electronics
![HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/3838/33450/4520s_4__28535.1652715199.jpg?c=2?imbypass=on)