![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.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 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/products/3838/images/38861/probook201__82886.1497554519.1280.1280__87697.1644957412.380.500.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
![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
![NeweggBusiness - HP Laptop ProBook Intel Core i3 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Home Premium 32-bit 4520s (XT988UT#ABA) NeweggBusiness - HP Laptop ProBook Intel Core i3 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Home Premium 32-bit 4520s (XT988UT#ABA)](https://c1.neweggimages.com/NeweggImage/productimage/34-157-672-04.jpg)
NeweggBusiness - HP Laptop ProBook Intel Core i3 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Home Premium 32-bit 4520s (XT988UT#ABA)
![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/3838/38864/probook204__91776.1497553901.1280.1280__50264.1644957412.jpg?c=2?imbypass=on)
HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter
![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
![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/71I+UbhbYnL._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
![598667-001 Motherboard For Hp Probook 4520s 4720s 48.4gk06.011 H9265-1 - Laptop Motherboard - AliExpress 598667-001 Motherboard For Hp Probook 4520s 4720s 48.4gk06.011 H9265-1 - Laptop Motherboard - AliExpress](https://ae01.alicdn.com/kf/H59e5d148cfc54e41a8ef0eca228de6b6q/598667-001-Motherboard-for-HP-ProBook-4520S-4720S-48-4GK06-011-H9265-1.jpg)
598667-001 Motherboard For Hp Probook 4520s 4720s 48.4gk06.011 H9265-1 - Laptop Motherboard - AliExpress
![4GB DDR3-1333 RAM Memory Upgrade For The Compaq Hp Probook 4520S WH333UT Aba Prices | Shop Deals Online | PriceCheck 4GB DDR3-1333 RAM Memory Upgrade For The Compaq Hp Probook 4520S WH333UT Aba Prices | Shop Deals Online | PriceCheck](https://images2.pricecheck.co.za/images/objects/hash/product/fc6/f0e/88f/image_big_117233565.jpg?1587029598)
4GB DDR3-1333 RAM Memory Upgrade For The Compaq Hp Probook 4520S WH333UT Aba Prices | Shop Deals Online | PriceCheck
![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/3838/38863/probook203__88193.1497553901.1280.1280__26850.1644957412.jpg?c=2?imbypass=on)
HP Probook 4520s 15.6" Laptop Windows 10 Home Intel i3 2.53GHz 4GB Ram 320GB Hard Drive DVD WiFi Power Adapter
![OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-10600) Laptop Memory at Amazon.com OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-10600) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71Vz3D01fSL._AC_UF894,1000_QL80_.jpg)
OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4520s (DDR3-10600) Laptop Memory at Amazon.com
![CMS 4GB (1X4GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Compatible with HP/Compaq Probook 4435S, 4436S, 4520S, 4525S, 4530S - A30 - Walmart.com CMS 4GB (1X4GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Compatible with HP/Compaq Probook 4435S, 4436S, 4520S, 4525S, 4530S - A30 - Walmart.com](https://i5.walmartimages.com/asr/64176d2c-13ee-4ca5-98d6-e0c4d9c17561_1.4727e53f2799784f96aeed0f25d9b565.jpeg)