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Lenovo Laptop G550(2958-A4U) Intel Core 2 Duo T6600 (2.20GHz) 3GB Memory 320GB HDD Intel GMA 4500MHD 15.6" Windows XP Professional preinstalled with Windows 7 Professional Upgrade Option - Newegg.com
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Memory RAM | 2GB - Lenovo Essential B570e B-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V
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48.4PA01.021 LZ57 MB Laptop motherboard for Lenovo B570E B570 V570C notebook pc (with video chip ) - Newegg.com
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