ThinkPad Laptop W Series Intel Core i7 1st Gen 720QM (1.60GHz) 4GB Memory 320GB HDD NVIDIA Quadro FX 880M 15.6" Windows 7 Professional 64-bit W510 (43192PU) - Newegg.com
Lenovo ThinkPad W510 Preview A class Refurbished - YouTube
Lenovo ThinkPad W510 Laptop- 320GB HDD, 4GB RAM, Intel i7 CPU, Windows 10 Pro | eBay
Lenovo ThinkPad W510 i7 Q 820 1.73GHz 4GB 500GB HDD NO OS R071101 | eBay
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Lenovo ThinkPad W510 specifications
Lenovo ThinkPad W510 Mobile Workstation - Intel Core i7-720QM 4C 1.6GHz, 8GB RAM, 256GB SSD, DVDRW, 15.6 WXGA, DP, WiFi, Win 10 Pro 64-Bit, 1 Year Warranty, Grade A Refurbished - JOY5-5668-REF
Lenovo ThinkPad W510 15.6" Black USED Laptop - Intel Core i7 740QM 1st Gen 1.73 GHz 4GB SODIMM DDR3 SATA 2.5" 160GB SSD DVD-RW Windows 10 Pro 64-Bit - Walmart.com