Dell Precision™ T3500 Service Manual--Specificationsfile:///C|/Biz%20Client/2015/NewBalance/Info%20Dev%20Root/New%20Balance/SM/A00/EN/Source/specs.htm[5/15/2015 11:40:57 AM]eSATABus speed 133 MB/s (PCI)x1-slot bidirectional speed - 500 MB/s(PCI Express)x16-slot bidirectional speed - 8 GB/s (PCIExpress)1.5 Gbps and 3.0 Gbps (SATA)480-Mbps high speed, 12-Mbps fullspeed, 1.2-MbpsLow speed (USB)PCI Connectorsconnectors Twoconnector size 124 pinsconnector data width (maximum) 32 bitsPCI Express x8connector Twoconnector size 98 pinsPCI Express x16connector Twoconnector size 164 pinsDrivesExternally accessible One 3.5-inch drive bay (FlexBay), Two5.25-inch drive baysInternally accessible Two 3.5-inch SATA drive baysNote: The platform can accommodatethird and fourth3.5-inch hard drives in the flex bay or theoptical drive bay. (4 HDD support islimited to SATA only & tower orientationonly, SAS is limited to 3 HDD)Available devices 3.5-inch SATA hard drivesSATA DVD, SATA CD-RW/DVD Combo,SATA DVD+/-RW, SATA BD Combo (Blu-Ray playback only), SATA Blu-ray R/WOne 3.5-inch USB media card reader withBluetooth®Internal USB floppy driveConnectorsExternal connectors:Video (Depending on video card)DVI connectorDisplay portNetwork adapter RJ-45 connectorUSB USB 2.0 compliant, support 2.0 Asustained charge to power external USBdevicesTwo internal connectorsTwo in frontSix at the backAudio Two rear connectors for line-in and line-out