Lenovo Thinkpad P51s 20HCS12D00. 512GB in 2 Solid State Drives. 15.6" FHD Screen. 512GB in 2 SSD's. O.S. installed on 256GB 2242 M.2 + 256GB 2280 M.2 - 476GB Usable. 32GB DDR4 in 2 x 16GB. Three USB 3.1 Gen 1 (USB 3.0, one Always On).
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