Intel H61 Express chipset Two memory slots: upgradeable up to 8GB (one 4GB memory card in each slot)1 Multi-in-one card reader supports optional Memory Stick Memory Stick PRO Duo Memory Stick PRO-HG Duo MultiMediaCard? SD (Secure Digital) card or SDHC (High-Capacity) card Interface ports: RJ-45 LAN headphone microphone HDMI -in HDMI -out optical audio (TOSLINK) two USB 3.0 four USB 2.0 Desktop and LCD combined: 22.0"" (559.0mm) x 16.6"" (421.0mm) x 4.4"" (113.0mm) 135W power supply Wireless keyboard and mouse Minimum order: one pallet of 40 units Black/silver chassis OS Windows 7 Home Premium (64-bit) Software Microsoft Office Starter 201010 Processor Intel Core? i3-2120 (3MB Intel Smart Cache 3.30GHz) Memory 4GB (2/2) DDR3 SDRAM Storage 1TB4 SATA hard drive Super-Multi drive multi-in-one card reader Graphics Integrated Intel HD Graphics Communications Gigabit LAN 802.11b/g/n WLAN webcam Touchscreen Integrated 23"" wide Windows 7-compliant multi-touch capability Maximum Resolution 1920 x 1080 Aspect Ratio 16:9 Response Time (typical) 5ms Audio Integrated 2.5W stereo speaker system

Supplier can only accept defective products for this manufacturer. You may need to call the manufacturer directly depending on the sitaution.