The GTX 980 Ti iChill X4 Ultra is factory overclocked to 1152MHz, with a 1241MHz Boost and 6GB GDDR5 memory clocked at 7200MHz (reference speeds are 1000 MHz core, 1076 MHz GPU Boost, and 7012 MHz memory).
The underlying PCB is NVIDIA reference design, featuring an 8-phase VRM, and 6-pin + 8-pin PCIe power connectors. Display outputs include one each of HDMI 2.0, dual-link DVI, and three DisplayPort 1.2 connectors. Expect the card to feature a 10% pricing premium over reference. Based on the 28 nm GM200 silicon, the GTX 980 Ti offers 2,816 CUDA cores, 176 TMUs, 96 ROPs, and a 384-bit wide GDDR5 memory interface, holding 6 GB of memory. The card bundles a medium-sized mousepad with iChill branding, and a key to 3DMark (2013) Advanced.

Via: TPU