![HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com](https://i5.walmartimages.com/asr/25005b07-069e-4f80-8368-6ae926478863.5d29101eac2b8c8bd5123995e7329bde.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
![OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 6550b (DDR3-10600) Laptop Memory at Amazon.com OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 6550b (DDR3-10600) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71nBR0kPxZL._AC_UF894,1000_QL80_.jpg)
OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 6550b (DDR3-10600) Laptop Memory at Amazon.com
![8GB (4GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq ProBook 4311s 5220m 6550b 6555b Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com 8GB (4GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq ProBook 4311s 5220m 6550b 6555b Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com](https://m.media-amazon.com/images/I/5101JbRYezL._AC_UF894,1000_QL80_.jpg)
8GB (4GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq ProBook 4311s 5220m 6550b 6555b Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
![Amazon.com: 8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Compaq HP Probook 6550b (WZ241UT#ABA) (Genuine A-Tech Brand) : מוצרי חשמל Amazon.com: 8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Compaq HP Probook 6550b (WZ241UT#ABA) (Genuine A-Tech Brand) : מוצרי חשמל](https://m.media-amazon.com/images/I/71z2T6h7ikL.jpg)
Amazon.com: 8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Compaq HP Probook 6550b (WZ241UT#ABA) (Genuine A-Tech Brand) : מוצרי חשמל
![HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com](https://i5.walmartimages.com/asr/15e9fcf6-8845-4843-9ced-2434093b6db7_1.384323b096f8c23c58e3b82fb137f2f6.jpeg)
HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
![OFFTEK 1GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 6550b (DDR3-10600) Laptop Memory at Amazon.com OFFTEK 1GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 6550b (DDR3-10600) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71Vz3D01fSL._AC_UF894,1000_QL80_.jpg)