Variable weight, English layout, tenkeyless silent model Reference site ↓ https://web.archive.org/web/20190629025120/http://www.archisite.co.jp/topre_se170s.htm The condition is good, but since it is a used item, please refrain from purchasing if you are concerned about minor details. REALFORCE 87UB SE170S Realforce REALFORCE 87UB Silent Model English ASCII 87-key layout, Sumi-iro (black ink color) model, tenkeyless TKL, sublimation printing, variable weight, with DIP switches, silent specification A model that adds a right Windows key to the existing Topre REALFORCE 86U (English ASCII 86-key layout, black model, tenkeyless) Based on the Realforce 87U, this silent specification model achieves reduced key-press sound. The following settings are possible using the DIP switches on the back of the main unit: ・Swap the left Ctrl key and CapsLock key (replacement keycaps included) ・Enable/disable the Windows key ・Enable/disable NumLock control Connection type...Wired Key switch...Electrostatic capacitive non-contact method (similar to NIZ from other companies) Keyboard layout...English