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Lenovo ThinkPad T450s 20BX – Ultrabook – Core i7 5600U / 2.6 GHz – Windows 7 Pro 64-bit / Windows 8.1 Pro 64-bit downgrade – pre-installed: Windows 7 – 8 GB RAM – 256 GB SSD (20BX001LUS) 13390461
Lenovo ThinkPad T450s 20BX – Ultrabook – Core i7 5600U / 2.6 GHz – Windows 7 Pro 64-bit / Windows 8.1 Pro 64-bit downgrade – pre-installed: Windows 7 – 8 GB RAM – 256 GB SSD (20BX001LUS) 13390461