HP ProBook 4540s Notebook PC - 3rd generation Intel Core i5-3320M 2.6GHz, 8GB DDR3, 500GB HDD, DVDRW, 1GB AMD Radeon HD 7650M, 15.6 Display, Windows 7 Pro 64-bit / Windows 8 Pro
HP ProBook 4540s Intel Core i5 3rd Generation 15.6" Display 4-16GB RAM 128-512GB SSD Windows 10 Refurbished Laptop - PCStore
HP ProBook 4540S 15.6" Standard USED Laptop - Intel Core i3 3110M 3rd Gen 2.4 GHz 6GB SODIMM DDR3 SATA 2.5" 500GB HDD DVD-RW Windows 10 Pro 64-Bit - Walmart.com
HP PROBOOK 4540S INTEL CORE I5-3230M 2.60GHZ 4GB RAM **NO HD/ NO CADDIE/ NO OS/ | eBay