HP ProBook 4520s SSD and Ram Upgrade 2021 - YouTube
CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Probook 4435S, 4436S, 4520S, 4525S, 4530S - A29 at Amazon.com
HP ProBook 4525s-WT231EA - Notebookcheck.net External Reviews
HP Probook 4525s 15.6" Laptop Windows 10 Home AMD 2.2GHz Dual Core 4GB Ram 250GB Hard Drive DVD WiFi Power Adapter
How to disassemble the HP ProBook 4525s, replace the memory, hard drive, fan cleanup | SURPAN.CZ - YouTube
HP PROBOOK 4525S 15.6" AMD PHENOM P650 4GB RAM NO HDD, OS, BATTERY, OR CHARGER | eBay
HP Laptop ProBook AMD Phenom II Dual-Core P650 (2.6GHz) 4GB Memory 500GB HDD ATI Radeon HD 4250 15.6" Windows 7 Professional 64-bit 4525s (XT978UT#ABA) - Newegg.com
HP ProBook 4525s-WK401EA - Notebookcheck.net External Reviews
HP ProBook 4525s-WK401EA - Notebookcheck.net External Reviews
HP Introduces the ProBook 4525s Notebook PC
HP Probook 4525s 15.6" Laptop Windows 10 Home AMD 2.2GHz Dual Core 4GB Ram 250GB Hard Drive DVD WiFi Power Adapter
WT139EA#ABU - HP ProBook 4525s - 15.6" - Turion II P540 - Windows 7 Pro 64-bit - 3 GB RAM - 320 GB HDD - Currys Business
8GB 2 X 4GB Memory for HP ProBook 4525s DDR3 PC3-10600 SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
Memory RAM Upgrade for HP ProBook 4525s 4GB DDR3 SODIMM | eBay
HP ProBook 4525s, AMD Athlon II P340 2.2MHz, 4GB. No HDD/Bat/PS Missing TopDeck | eBay