110x250x190 Rear Panel Bill Of Materials Option 1 PCB Only 1 110x250x190 Rear Panel PCB Option 2 PCB and Expansion Header 1 110x250x190 Rear Panel PCB 1 1x40 SIL socket 1 1x20 SIL socket 4 1x20 pin header 1 2x40 RA pin header Option 3 PCB and Expansion Header Cover screws 1 110x250x190 Rear Panel PCB 1 1x40 SIL socket 1 1x20 SIL socket 4 1x20 pin header 1 2x40 RA pin header 10 M3 6mm nylon screw 10 M3 nylon nut Option 4 PCB and Expansion Header Port Covers PCB and screws 1 110x250x190 Rear Panel PCB 1 1x40 SIL socket 1 1x20 SIL socket 4 1x20 pin header 1 2x40 RA pin header 10 M3 6mm nylon screw 10 M3 nylon nut 5 20x40 Port Cover Blanking Plate PCB Option 5 PCB and Expansion Header Port Covers Acrylic and screws 1 110x250x190 Rear Panel PCB 1 1x40 SIL socket 1 1x20 SIL socket 4 1x20 pin header 1 2x40 RA pin header 10 M3 6mm nylon screw 10 M3 nylon nut 5 20x40 Port Cover Blanking Plate Blue Acrylic Option 6 PCB and Cover screws 1 110x250x190 Rear Panel PCB 10 M3 6mm nylon screw 10 M3 nylon nut Option 7 PCB and Expansion Header Port Covers PCB and screws 1 110x250x190 Rear Panel PCB 10 M3 6mm nylon screw 10 M3 nylon nut 5 20x40 Port Cover Blanking Plate PCB Option 8 PCB and Expansion Header Port Covers Acrylic and screws 1 110x250x190 Rear Panel PCB 10 M3 6mm nylon screw 10 M3 nylon nut 5 20x40 Port Cover Blanking Plate Blue Acrylic