The SAPPHIRE HD 7970 is the first graphics card in the world to incorporate the latest generation of GPU’s from AMD built in a new 28nm process and featuring the new GCN optimised graphics processing architecture. The HD 7970 is the most powerful single chip GPU ever built. It has a new internal structure with 32 compute units and a total of 2048 Stream processors. It ships with a core clock speed of 925MHz, and AMD Powertune technology allows enthusiasts to increase performance by overclocking.  A new 384-bit high speed memory interface with over 264GB/sec memory bandwidth connects to a large 3GB array of the latest DDR5 memory.

(Taiwan, Taipei) -- Leading mainboard manufacturer MSI announces today the official release of the Big Bang-XPower II, a flagship mainboard based on the Intel® X79 Express chipset! Featuring the latest PCI Express Gen 3 standard and 4-way NVIDIA SLI / AMD CrossFire technology with 8 slots of Quad-Channel memory to achieve extreme performance, the Big Bang-XPower II mainboard also adapts a 22-phase PWM design with Hybrid Digital Power, and incorporates dual 8-pin CPU and single 6-pin VGA power connectors to reach Xtreme Power Design. With the introduction of MIL-STD-810G certified Military Class III components, the Big Bang-XPower II comes equipped with extreme materials such as the Hi-c CAPs for CPU power supply. In terms of extreme overclocking, the Big Bang-XPower II provides PCI-E CeaseFire for easily turning on/off graphics card slots and maximizing overclocking performance. Several convenient technologies are also provided including V-Check Points, Direct OC and Easy Button 3. With extreme performances in 4 Xtremes, the Big Bang-XPower II is the optimal weapon for enthusiastic overclockers to break world records!

how to read model name for MSI motherboards and Specification of  motherboard's classes

SAPPHIRE EDGE-HD2 is a fully featured PC for home, education or business use. Specifications include a second generation 1.8GHz dual core processor, 2GB of DDR3 memory, a 320GB hard drive and built in wireless connectivity as well as high speed LAN port and four USB ports. It provides high resolution graphics output with a full HD (1920x1080) HDMI interface (with an HDMI cable and HDMI-DVI adapter also supplied) as well as a VGA monitor output and it has built-in audio with mic-in and line-out sockets