The Dell Precision T3500 workstation is a productivity machine with a choice of lightning-fast 64-bit dual-, quad- or 6-core Intel Xeon processors, impressive graphics and exceptional memory capacity that work together in a flexible and innovative compact chassis to deliver performance, scalability and flexibilityForm factorMinitowerOperating systemNo OSProcessorIntel E5520 2.227GHzMemory8GB 1333MHz ECC or non ECCStorageNo HDDGraphics adapterNo Video CardI/O slots2x PCI-E x16,2x PCI-E x4,2x PCIStandard I/OEleven USB 2.0: two on front panel, six on back panel, three internal (UDOC) onmotherboard; eSATA: one rear; one serial; one parallel; two PS/2; one RJ-45; stereo line-in and headphone line-out on back panel; microphone and headphone connector on front.AudioIntegrated High-Definition Audio, 24-bit analog-to-digital; 24-bit digital-to-analog stereo conversionOptical driveDVD+/-RW SATA DriveNetworkingIntegrated Broadcom 5761 Gigabit Ethernet controller with Remote Wake UP and PXEsupportTitleDell T3500 Computer/ Desktop E5520 2.227GHz/ 8GB RAM/ NO HDD/ NO VCConditionRefurbishedContentT3500 Workstation, power cord,ManufacturerDell ModelT3500 SKUT3500 http://www.compeve.com/Products/Workstations/Dell/T3500/T3500_compeve__1.jpg