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Lenovo ThinkPad T420s
Lenovo ThinkPad T420s RAM Replacement - iFixit Repair Guide
Lenovo ThinkPad T420s (4174) - full specs, details and review
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Memory RAM | 16GB Kit (2x8GB) - Lenovo ThinkPad T420s T-Series - (OEM-# Dual-Channel Memory Kit (2x 03X6401)) - 1333MHz, Unbuffered, 1,5V
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User manual Lenovo ThinkPad T420s (English - 246 pages)
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IBM ThinkPad T420s I7 processor, 16GB ram 2 SSD drives one in place of dvd drive. : r/thinkpad
Lenovo ThinkPad T420s RAM Replacement - iFixit Repair Guide
