NX1255GB-20.000000MHZ NX1255GB-20.250M-STD-CSA-1 NX1255GB-20.480M-STD-CSA-1 NX1255GB-20.738M-STD-CSA-1 NX1255GB24.000000MHZ NX1255GB-24.000000MHZ NX1255GB-24.000M-STD-CSA-1 NX1255GB-24.0MHz NX1255GB25.000000MHZ NX1255GB-25.000000MHZ