ASUS X99-M WS mATX Dual Intel LAN with M.2/USB 3.1/ 3T3R Wi-Fi Onboard Workstation Motherboard Memory Standard: DDR4 3200*(*O.C.)/ 3000*/ 2800*/ 2666*/ 2400*/ 2133 for Core i7 DDR4 2133/ 1866 for Xeon E5-1600 v3/2600 v3 Number of Memory Slots: 4×288pin Audio Chipset: Realtek ALC1150 8-Channel High Definition Audio CODEC featuring Crystal Sound 2 - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 112 dB SNR stereo playback output (Line-out at rear) and 104 dB SNR stereo playback input (Line-in) - High-fidelity audio OP AMP(s) Audio Feature: - DTS Ultra PC II - DTS Connect - Optical S/PDIF out port(s) at back panel - BD Audio Layer Content Protection - Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference - Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals - Audio amplifie...