This Optional module help you add a DB-9 Male COM port to your Optiplex 3000 5000 7000 MT & SFF Tower Desktop series on the rear panel, connects the I/O board to motherboard, go to official website find the instructions before installing.

***CAUTION***: NOT fit for Optiplex 3040 3050 7040 5050 7050 7000 MFF & Micro Form Factor series, NOT fit D P/N: DKJHY 6CC5P C4PDJ

D P/N: T5HNR, 0T5HNR; KMW3T, 0KMW3T
Part Desc: ASSY,CRD,I/O,SERIAL,MT/SFF,D10
Condition: Original and NEW condition without original box shipping.

Reference list of compatible with Desktop models:
- OptiPlex 7000 Tower MT & SFF series
- OptiPlex 7010 Tower MT & SFF series
- OptiPlex 7090 Tower MT & SFF series
- OptiPlex 7080 Tower MT & SFF series
- OptiPlex 7070 Tower MT & SFF series
- OptiPlex 7060 Tower MT & SFF series
- OptiPlex 5090 Tower MT & SFF series
- OptiPlex 5080 Tower MT & SFF series
- OptiPlex 5070 Tower MT & SFF series
- OptiPlex 5060 Tower MT & SFF series
- Optiplex 3090 Tower MT & SFF series
- Optiplex 3080 Tower MT & SFF series
- Optiplex 3070 Tower MT & SFF series
- Optiplex 3060 Tower MT & SFF series

What's in the box:
1x DB-9 Male RS-232 Serial Port Daughter board (MAX3243C)
2x Screws