Main View Part Number: 2906026RGateway DX442S Desktop Computer Model: DX442S The Gateway® DX442S desktop computer features include: Windows Vista™ Home Premium operating system with Service Pack 1 Intel® Core™2 Duo E4600 dual core processor Each core operates at 2.4 GHz Shared 2 MB L2 cache 800 MHz front side bus Intel G33 chipset 3072 MB DDR2, 667 MHz, (PC2-5300) dual channel memory (two 1024 MB + two 512 MB modules) 500 GB, 7200 RPM, SATA II hard drive 18X DVD ±RW, super multi-format dual layer drive with LabelFlash™ support 15-in-1 high speed digital media manager Docking bay for optional Gateway 2.5-inch removable USB hard drive Integrated Intel 10/100 Mbps Ethernet LAN 56K PCI Data/Fax modem Integrated Intel Graphics Media Accelerator 3100 Elite multimedia keyboard USB optical 2-button wheel mouse Amplified, USB powered speakers