ARUBA J9775A 2530-48G Managed Switch. 48 x 1GB & 4 x 1 SFP, extra 1G SFP module
ARUBA 2530-48G (J9775A) 48 x 1GB & 4 x 1 SFP Managed Switch. with extra 1G SFP Module. You will receive one of those switches from the pictures (I had 4) and one 1G GBIC SFP Module (see on the last picture).