![Laptop Memory/Ram Crucial 8GB ddr3-1600 CT102464BF160B SODIMM 204pin 1.35v 2Rx8 for HP ProBook 4540s - Newegg.com Laptop Memory/Ram Crucial 8GB ddr3-1600 CT102464BF160B SODIMM 204pin 1.35v 2Rx8 for HP ProBook 4540s - Newegg.com](https://c1.neweggimages.com/ProductImage/AKRHD200917321DF.jpg)
Laptop Memory/Ram Crucial 8GB ddr3-1600 CT102464BF160B SODIMM 204pin 1.35v 2Rx8 for HP ProBook 4540s - Newegg.com
![parts-quick 8GB DDR3 Memory for HP Compaq ProBook 4540s PC3-12800S 204 pin 1600MHz SODIMM Laptop Compatible RAM at Amazon.com parts-quick 8GB DDR3 Memory for HP Compaq ProBook 4540s PC3-12800S 204 pin 1600MHz SODIMM Laptop Compatible RAM at Amazon.com](https://m.media-amazon.com/images/I/61HCnBOXrwL.jpg)
parts-quick 8GB DDR3 Memory for HP Compaq ProBook 4540s PC3-12800S 204 pin 1600MHz SODIMM Laptop Compatible RAM at Amazon.com
![Bottom door 690978-001, 60.4SJ02.002 HP ProBook 4540s Memory Board Cover. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation Bottom door 690978-001, 60.4SJ02.002 HP ProBook 4540s Memory Board Cover. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation](https://www.pchub.com/images/thumbs/0363334_550.jpeg)
Bottom door 690978-001, 60.4SJ02.002 HP ProBook 4540s Memory Board Cover. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation
![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
![Used HP ProBook 4540S 15.6" Laptop, Windows 10 Pro, Intel Core i5-3210M Processor, 16GB RAM, 240GB Solid State Drive - Walmart.com Used HP ProBook 4540S 15.6" Laptop, Windows 10 Pro, Intel Core i5-3210M Processor, 16GB RAM, 240GB Solid State Drive - Walmart.com](https://i5.walmartimages.com/asr/64e77f9b-2aee-41c5-80e2-e6f570698a69_1.aeb2a78cd48b5feb8e0a26a1ebf3f0f2.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Used HP ProBook 4540S 15.6" Laptop, Windows 10 Pro, Intel Core i5-3210M Processor, 16GB RAM, 240GB Solid State Drive - Walmart.com
![OFFTEK 8GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4540s (DDR3-10600) Laptop Memory at Amazon.com OFFTEK 8GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4540s (DDR3-10600) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71Vz3D01fSL.jpg)
OFFTEK 8GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 4540s (DDR3-10600) Laptop Memory at Amazon.com
![A-Tech 4GB Module for HP ProBook 4540s Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS322399B12034X1) at Amazon.com A-Tech 4GB Module for HP ProBook 4540s Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS322399B12034X1) at Amazon.com](https://m.media-amazon.com/images/I/71zbv1ibdgL.jpg)