Stylish affordability. Choose from two sophisticated colors in a 15.6-inch diagonal notebook with security and productivity feat
![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
![Amazon.com: A-Tech - Memoria RAM para HP PROBOOK 4520S (4 GB, DDR3, 1066 MHz, SODIMM PC3-8500, 204 pines, no ECC) : Electrónica Amazon.com: A-Tech - Memoria RAM para HP PROBOOK 4520S (4 GB, DDR3, 1066 MHz, SODIMM PC3-8500, 204 pines, no ECC) : Electrónica](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71G7o-Ti8tL.jpg)
Amazon.com: A-Tech - Memoria RAM para HP PROBOOK 4520S (4 GB, DDR3, 1066 MHz, SODIMM PC3-8500, 204 pines, no ECC) : Electrónica
![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
![HP ProBook 640 G4 | i5-8350U | 14" | 8 GB | 256 GB SSD | FHD | FP | Win 10 Pro | US | €445 | Now with a 30-Day Trial Period HP ProBook 640 G4 | i5-8350U | 14" | 8 GB | 256 GB SSD | FHD | FP | Win 10 Pro | US | €445 | Now with a 30-Day Trial Period](https://files.refurbed.com/pi/hp-probook-640-g4-8350u-1653480952.jpg?t=resize&h=600&w=800)
HP ProBook 640 G4 | i5-8350U | 14" | 8 GB | 256 GB SSD | FHD | FP | Win 10 Pro | US | €445 | Now with a 30-Day Trial Period
![Amazon.com: Memoria RAM de 8 GB [2 x 4GB] DDR3 – 1333 Upgrade Kit para la Compaq HP ProBook 4520s (wz254ut # ABA) (verdadero a-tech marca) : Electrónica Amazon.com: Memoria RAM de 8 GB [2 x 4GB] DDR3 – 1333 Upgrade Kit para la Compaq HP ProBook 4520s (wz254ut # ABA) (verdadero a-tech marca) : Electrónica](https://m.media-amazon.com/images/I/71z2T6h7ikL.jpg)