![Amazon.com: HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit : Electronics Amazon.com: HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit : Electronics](https://m.media-amazon.com/images/I/61VhRzS-EWL.jpg)
Amazon.com: HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit : Electronics
![Amazon.com: HP 4540s i5-3210M 16-Inch Notebook (500 GB, 4 GB SO-DIMM DDR3 Windows 7, Intel HD Graphics 4000) : Electronics Amazon.com: HP 4540s i5-3210M 16-Inch Notebook (500 GB, 4 GB SO-DIMM DDR3 Windows 7, Intel HD Graphics 4000) : Electronics](https://m.media-amazon.com/images/I/6122tUqz63L.jpg)
Amazon.com: HP 4540s i5-3210M 16-Inch Notebook (500 GB, 4 GB SO-DIMM DDR3 Windows 7, Intel HD Graphics 4000) : Electronics
![HP ProBook 4540S 15.6" Standard USED Laptop - Intel Core i3 3110M 3rd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 320GB HDD DVD-RW Windows 10 Home 64-Bit - Walmart.com HP ProBook 4540S 15.6" Standard USED Laptop - Intel Core i3 3110M 3rd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 320GB HDD DVD-RW Windows 10 Home 64-Bit - Walmart.com](https://i5.walmartimages.com/asr/2cb9e9cc-8fc1-493e-9e20-8a68e61cfb61.6e8ee68132c754bd50a1d73eceb51664.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
HP ProBook 4540S 15.6" Standard USED Laptop - Intel Core i3 3110M 3rd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 320GB HDD DVD-RW Windows 10 Home 64-Bit - Walmart.com
![Amazon.com: HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit : Electronics Amazon.com: HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit : Electronics](https://m.media-amazon.com/images/I/617y2D7JIVL.jpg)
Amazon.com: HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit : Electronics
![6600mah 9 Cells Laptop Battery For Hp Probook 4540s 4545s Hstnn-db2r Hstnn-i02c Hstnn-i97c-3 Hstnn-i97c-4 Hstnn-i98c-5 - Laptop Batteries - AliExpress 6600mah 9 Cells Laptop Battery For Hp Probook 4540s 4545s Hstnn-db2r Hstnn-i02c Hstnn-i97c-3 Hstnn-i97c-4 Hstnn-i98c-5 - Laptop Batteries - AliExpress](https://ae01.alicdn.com/kf/HTB176z0HVXXXXbxXFXXq6xXFXXXb/6600mAh-9-Cells-Laptop-Battery-For-HP-Probook-4535s-4545s-HSTNN-DB2R-HSTNN-I02C-HSTNN-I97C.jpg_Q90.jpg_.webp)
6600mah 9 Cells Laptop Battery For Hp Probook 4540s 4545s Hstnn-db2r Hstnn-i02c Hstnn-i97c-3 Hstnn-i97c-4 Hstnn-i98c-5 - Laptop Batteries - AliExpress
![HP 683500-001 - DVD+RW SuperMulti Double-Layer SATA 12.7mm Tray Loading Optical Disk Drive ODD for HP ProBook 4540s 4545s - CPU Medics HP 683500-001 - DVD+RW SuperMulti Double-Layer SATA 12.7mm Tray Loading Optical Disk Drive ODD for HP ProBook 4540s 4545s - CPU Medics](https://cdn11.bigcommerce.com/s-qfzamxn9kz/images/stencil/original/products/123084/245889/hewlett-packard-hp-683500-001-dvd-rw-supermulti-double-layer-sata-12-7mm-tray-loading-optical-disk-drive-odd-for-hp-probook-4540s-4545s-2__30305.1534980010.jpg?c=2)