This 1U mounting bracket is designed for 12, 16 and 24 port patch panels. It is 1.75 inches (1U) high and 19 inches wide to mount on a wall.
CAT6 24 Port Patch Panel SKU: PPC6-24 Price: $31.56
CAT5E 32 Port Patch Panel SKU: PPERJ45-32 Price: $33.99
CAT5E 24 Port Patch Panel SKU: PPERJ45-24 Price: $25.89