DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.516GRAPHICS/VI DEO CONTROLLERNOTE: MT supports full height (FH) cards and DT and SFF supports low profile (LP) cards.EXTERN AL PORTS /C ON NECT ORSNOTE: MT supports full height (FH) cards and DT and SFF supports low profile (LP) cards. See chassis diagrams section for port/connector locationsMT DT SFF USFFIntel HD Graphics [with Celeron/Pentium class CPU-GPU com-bo]Intel HD Graphics 2000[with iCore Dual/Quad core class CPU-GPU combo]Integrated on CPUEnhanced Graphic/Video Options1GB AMD RADEON HD 6670 with DP, DVI and VGA1GB AMD RADEON HD 6450 with DP and DVI Optional card512MB AMD RADEON HD 6350 with dual DVI or dual VGA(adapters convert DMS-59 connector to dual DVI or dual VGA) Optional cardOptionalcardMT DT SFF USFFUSB 2.0 (1 internal on MT and DT) 4 Front, 6 Rear 2 Front, 5RearSerial 1 RearParallel/2nd Serial via optional PCIex1 card Optional FHcard2nd Serial via optional PCIex1 card Optional LP cardNetwork Connector (RJ-45) 1 RearPS/2 2 Rear1394 Controller via optional PCI card Optional FHcardUSB 3.0 via optional PCIex1 card Optional FHcard Optional LP cardVideo:VGA 1 RearDisplayPort (1.1a) 1 RearAudio:Line in for microphone 1 FrontLine in for microphone or stereo 1 RearLine out for headphones or speakers 1 Front, 1 RearOptional LPcardParallel via optional PCIex1 card Optional LP card, available inQ3 2011