Chipset: NVIDIA GeForce GTX 1080 Ti. Rugged Anti Bending strip connected with heatsink makes the card extremely rigid Video Memory: 11GB GDDR5X, Card dimension: 320 x 141 x 42 mm Memory Clock: 11016 MHz (OC mode); Interface: PCI Express x16 3.0 DisplayPort x 2 / HDMI x 2/ DL-DVI-D. Please Note: kindly refer the user guide before use A tailor-made PCB provides stability at high performance MSI GeForce GTX 1080 TI DUKE 11G OC MSI GTX 1080 TI DUKE 11G OC graphics card has core base clock of 1480MHz, a core boost clock of 1582MHz and an 11GB of GDDR5X memory set at 11016MHz. The 3584 Stream Processors based product has a 352-bit memory interface. The Duke comes equipped with MSI’s TriFrozr triple fan cooling system with ZeroFrozr technology.