HDD/ssd 256 GB SSD drive. Microsoft Surface Book 3. Surface Book: Starting at 3.34 lbs (1,516 g) including keyboard. Surface Book with Performance Base: 3.68 lbs (1,647 g) including keyboard. Surface Book: 12.30” x 9.14” x 0.51 - 0.90” (312.3mm x 232.1mm x 13.0 - 22.8mm).
