Dell OptiPlex 990 Technical Guide - Page 15

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 DRIVES AND REMOVABLE STORAGE MT DT RAID 0 Performance: (includes two matching capacity/speed hard drives) 1TB1 SATA 7200 RPM HDD (3.5") X 500GB1 SATA 7200 RPM HDD (3.5") X 320GB1 SATA 7200 RPM HDD (3.5") X 250GB1 SATA 7200 RPM HDD (3.5") X 500GB1 SATA 7200 RPM Hybrid HDD (2.5") X X 500GB1 SATA 7200 RPM HDD (2.5") X X 250GB1 SATA 7200 RPM HDD (2.5") X X Optical Drive: (SFF/USFF require slim-line optical drive) Blu-ray Writer SATA 1.5Gbit/s X X DVD+/-RW2 SATA 1.5Gbit/s X X DVD-ROM3 SATA 1.5Gbit/s X X Media Card Reader: (requires slim line optical) Dell 19 in 1 Media Card Reader X X SFF USFF X X X X X X X X X NOTE: Dell 19 in 1 Media Card Reader (MCR) is supported via a F5 to F3 bay converter on the MT and DT and may require a slim line optical drive depending on selectable configuration. MCR is not available on the SFF and USFF. SYSTEM BOARD CONNECTORS NOTE: See Detailed Engineering Specifications for maximum card dimensions. PCI Slot PCIe x16 Slot PCIe x16 (wired x4) Slot PCIe x1 Slot Half mini-PCIe connector Serial ATA (SATA) connectors MT DT 1 1 1 1 1 1 1 1 4 3 SFF USFF 1 1 1 3 2 1 For hard drives, GB means 1 billion bytes; actual capacity varies with preloaded material and operating environment and will be less. 2 Discs burned with this drive may not be compatible with some existing drives and players; using DVD+R media provides maximum compatibility. 3 DVD-ROM drives may have write-capable hardware that has been disabled via firmware modifications. 15