1、1GB GDDR5 Memory: The GPU memory frequency of DDR5 graphics card is 900MHz, and the memory capacity is 1G, which can provide a smoother game and application experience. 2、PCI Express x16 1.1: GTX550ti 1GB graphics card adopts PCI Express x16 graphics card slot, plug and play, easy to use, good performance. 3、DirectX 11: 1GB graphics card with 192 stream processor chip, durable and practical, long service life Support DirectX 11, suitable for mainstream computer chassis. 4、Independent Power Supply: Desktop computer graphics card does not require additional power supply, all capacitors ensure low power consumption and high performance. 5、Good Heat Dissipation: GTX550ti graphics card uses a large aluminum alloy heat sink and a large fan, which can better dissipate heat and ensure the safety and stability of electrical components and PCB boards. Item Type:GTX550ti 1GB Graphics Card Material: PCB Chip:For nVIDIA Video Memory Capacity: 1GB Core Frequency: 625MHz 3D API： DirectX 11 Graphics Slot: PCI Express X16 1.1 Video Memory Type: DDR5 Memory Frequency: 900mhz Video Memory Bandwidth: 128bit Stream Processor Unit: 192 (pcs) 1 x GTX550ti 1GB Graphics Card