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HP ProDesk 400 G1 Desktop Tower Computer, Intel Core i3, 4GB RAM, HD &/OR 128GB SSD, DVD-ROM, Windows 10, Black (Used) - Walmart.com
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HP ProDesk 400 G1 SFF i5-4570 3.20GHz 8GB 1TB Win 10 Pro - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
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Refurbished: HP Grade A ProDesk 400 G1 SFF Intel Core i5 4590 (3.30 GHz) 8 GB RAM 500 GB HDD WIFI BT Windows 10 Home (Multi-language) - Newegg.com
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HP ProDesk 600 G1 SFF Desktop Computer Intel i3 3.4 8GB 128GB SSD DVD-RW Win10 Pro-64 wifi DUAL OUT VIDEO and WIFI
HP ProDesk 400 G1 Refurbished Desktop PC Intel Core i7 8GB Memory 240GB Solid State Drive Windows 10 RF610399 - Office Depot
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