Low Profile 56K Network Modem Card for select Dell Desktop systems.

Compatible Dell Desktop Systems:
-Opti
Plex 380
-Opti
Plex 760
- Opti
Plex 740, 755, 780
- Dimension C521
- Inspiron Desktop 545s, 530s, 531s, 537s, 546s, 580s
- Studio Desktop D540s
- Vostro Desktop 200, 230, 230s, 200s

DPart Number: FF959