السلام عليكم مواصفات الجهاز كالتالي iMac (21.5-inch, Mid 2011) - Technical Specifications Display( Price is 1100 SR) 21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors Resolution: 1920 by 1080 pixels Processor 2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache Memory 4GB (two 2GB) of 1333MHz DDR3 memory Configurable to 16GB, only at the Apple Online Store. Storage1 2.5 GHz o 500GB (7200 rpm) hard drive Graphics 2.5 GHz o AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory Audio Built-in stereo speakers Two internal 17-watt high-efficiency amplifiers Headphone/optical digital audio output (minijack) Audio line in/optical digital audio input (minijack) Built-in microphone Support for Apple iPhone headset with microphone Connections and Expansion One Thunderbolt port Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately) One FireWire 800 port; 7 watts Four USB 2.0 ports SDXC card slot Slot-loading 8x SuperDrive with 4x double-layer burning (DVD RW/CD-RW) Audio in/out 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) IR receiver Wireless Wi-Fi o 802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible Bluetooth o Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology Electrical and Operating Requirements Line voltage: 100-240V AC