RAMDDR4Memory Speed2133 MHzWireless Type802.11a/b/g/n/acNumber of USB 20 Ports2BrandASRockSeriesX399M TAICHIItem model numberX399M TAICHIItem Weight3.5 poundsProduct Dimensions12.2 x 11.3 x 2.9 inchesItem Dimensions LxWxH12.2 x 11.3 x 2.9 inchesComputer Memory TypeDDR4 SDRAMBatteries1 Lithium Metal batteries required.ManufacturerASRockLanguageEnglish, English, English, English, EnglishIs Discontinued By ManufacturerNoDate First AvailableMarch 6, 2018