Chọpụta akwụkwọ ntuziaka onye ọrụ PERIPAD-303 Mechanical Numeric Keypad site na Perixx Computer GmbH. Mụta otu esi ebuli ahụmịhe gị site na iji igodo PERIPAD-303 maka ntinye ọnụọgụ nke ọma.
Chọpụta akwụkwọ ntuziaka onye ọrụ KB662 Mechanical Numeric Keypad, na-enye ntuziaka doro anya maka ojiji nke ọma. Jiri ahụ igodo a dị elu mee ka nrụpụta gị dịkwuo mma, nke e mere iji kwalite ọrụ ntinye ọnụọgụgụ gị.
Mụta ka esi hazie ahụ K24 Mechanical Numeric Keypad site na iji akwụkwọ ntuziaka onye ọrụ a zuru oke. Site na mmetụta ọkụ 14 na-egbuke egbuke, ọsọ na-agbanwe agbanwe na nchapụta, yana ọrụ mgbako, igodo a na-enye ahụmịhe ahaziri iche. Chọgharịa ụdị ọkụ dị iche iche yana mgbanwe agba nke onwe ya ka ọ bụrụ nke gị n'ezie.