MB: ASUS P9X79 WS, i7-3930K CPU@ 3800 MHz, 16 Gigs 1600 DDR3@1333MHz, OS and music on 3TB UEFI formated SATA III 7200rpm drive connected to MB with SATA III cable,  W7 Ultimate, 64 bit sp1,  9Z-8d, USB Device Buffer 8ms, straight contiguous, SFS 2, engine 4, Adaptivel Mode, Device Buffer 4096, Q1 @ 10, Q2-5 @ 0, Phase Alignment on (-), Phase Alignment Strength @ 1, 16x Arc Prediction,  OS minimized, all services except monitor off, clock resolution 15, unattended, scheme 3, Player low, thread real time, ** XTweaks : Balanced Load = 85 / Nervous Rate = 100 / Cool when Idle = 0 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index : Optimal ** , > Amp