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Dell OptiPlex GX 620 desktop drivers for Windows XP are available on Dell’s official website, but drivers for Windows Vista are not available. You can find Windows XP and Windows Vista drivers for Dell OptiPlex GX620 on this page.

Download Dell OptiPlex GX620 Desktop Intel 945G Chipset Driver for Win XP

Description: Intel 82945G Chipset Utility for Windows XP only
Download For XP: R132539.exe

Download Dell OptiPlex GX620 Desktop Soundmax Audio Driver For Win XP/Vista

Description: Soundmax ADI 198x Integrated Audio Driver for Windows XP and Windows Vista
Download For XP: R97809.EXE
Download For Vista: R145551.EXE

Download Dell OptiPlex GX620 Desktop Broadcom Lan Card Driver For Win XP/Vista

Description: Broadcom NetXtreme Gigabit Ethernet PCI-E Driver for Windows XP and Windows Vista
Download For XP/Vista: R201100.exe

Download Dell OptiPlex GX620 Desktop Conexant Modem Driver for Win XP

Description: Conexant 56K V.9x DFVc Modem Driver for Windows XP
Download: R73044.EXE

Download Dell OptiPlex GX620 Desktop Intel Graphics Driver For Win XP/Vista

Description: Intel 945G Graphics Controller Driver for Windows XP and Windows Vista
Download For XP: R98241.EXE
Download For Vista: R140545.EXE

Download Dell OptiPlex GX620 Desktop ATI X300 SE Driver For Win XP/Vista

Description: ATI 64MB PCI-Express x16 (DVI/TV-out) Radeon X300 SE Driver for Windows XP/Vista
Download For XP: R133174.EXE
Download For Vista: ATI_Catalyst

Download Dell OptiPlex GX620 Desktop ATI X1300 Driver For Win XP/Vista

Description: ATI X1300 Driver for Windows XP and Windows Vista
Download For XP: R132886.EXE
Download For Vista: ATI_multi-device_A04_R160911.exe

Download Dell OptiPlex GX620 Desktop ATI X1300 Pro Driver For Win XP/Vista

Description: ATI X1300 Pro Driver for Windows XP and Windows Vista
Download For XP: R132882.EXE
Download For Vista: ATI_multi-device_A04_R160911.exe