The custom-designed cooler has a cooling fan along with the aluminum heatsink, together delivering an effective heat dissipation capacity for higher performance at lower temperatures.Fit For Gigabyte GTX 750 1GB GPU Video graphics cardsProduct Description: 100% Original GTX 750 Used Products !And100% tested working before shipment 100% Genuine 1GB GDDR5 128 Bit Core frequency:1059/1137MHz Memory frequency: 5000MHz The maximum resolution:4960 × 2160 Interface Type:PCI Express 3.0 16X I/O interface:HDMI DVI 3D API: DirectX 11.2 、OpenGL 4.4 Support HDCP:YES Power connector: 6pin Recommended power: 400W aboveNote: This card is used. so it should have used marks on it (It may have small blemishes just in appearance).