product description cisco expansion module device type expansion module form factor plug in module ports10 gigabit sfp sfp mini gbic x 4 weight 340g data link protocol gige 10 gige data transfer rate 10 gbps designed for catalyst 3850 12x48u e 3850 12x48u s 3850 12xs s 3850 24xs e 3850 24xs s 3850 24xu e 3850 48f e 3850 48f l 3850 48f s 3850 48p e 3850 48p l 3850 48p s 3850 48t e 3850 48t l 3850 48t s 3850 48u e 3850 48u l 3850 48u s c3850 24xu s