Windwithme have shared two Cherry mechanical keyboards in 2008. I am irrevocably committed to mechanical keyboard. I have been using Cherry G80-1865 for 6 years. I am very satisfied with Cherry MX Brown Switchdurability and tactile bump. Cherry MX Switch has Green, Brown, Black, White and Red, the most popular one. One is Gaming gears become more popular, and the other is Red switch has more advantages. Comparing to the keyboard market years ago, mechanical keyboard brands are more and more. Price range is also enlarged due to competition, not only for high end market now. For mechanical keyboard fans, more options are good. This article is about USA CORSAIR two keyboards, different segment and size. They are all Vengeance series, and both use Cherry MX Red Switch. Let?s start with Vengeance K65 package. Back side has product features, hot keys and function keys. Lower-left logo shows CORSAIR provides 2 years warranty. Inside the box Vengeance K65, manual, warranty card and 1.5M USB cable Front View Frameless design looks simple and easy to clean dust. 80%87 keys design will remove number keys on right hand side to make keyboard smaller. N-key Rollovermakes sure every keystroke translates into accurate gameplay or even when multiple keys are pressed. Gunmetal gray anodized aluminum chassis make professional-grade look and feel. K65 focus on small PC or table size users. Back View 4 corners all have soft pad to fix the keyboard on table. There are 2 stands on upper side for users to adjust. Detachable, braided cloth USB cable with cable management in the center. It is durable and easy to stow, plus the K65 has cable routing to keep the cable locked in. Left side is USB cabling hole. Right side is BIOS Switch, 4 steps. No. 1 is 1000Hz, 2 is 500Hz, 3 is 250Hz and 4 is 125Hz. The response time is 1 / 2 / 4 / 8 ms. You can adjust USB response time by different mainboards. Sometimes, this is important. Side View The dimension is 350 x 165 x 30 mm and weight is 900g. The upper side is higher. If it is not enough, you can use stand to adjust it. Right Side View Lower right side has 4 grey direction keys. Left side, AWSD grey keys are the same function for left handers. Rightmost is Win Key and middle is 4 media keys. It is play/pause, stop, next, forward, mute, and volume keys. Black and Grey printings are laser etch. It enhances the font printing durability. Test platform use Mini-iTX to fit K65 user environment. MB is GIGABYTE H87N-WIFI. There are more and more ITX products in past couple years. GIGABYTE also launched several ITX MB. This is more high-end version. It builds in Intel WiFi and BT4.0 PCIe card. It is dual LAN design, both Atheros and Intel GbE LAN, for more networking applications.