Low-key design saves more space. This product is small in size and takes up little space.Stainless steel shackles are harder and more . This product has a very long service life.This product has very good heat dissipation performance, which can promote heat dissipation and is not easy to generate heat.It has a smaller fan hub for easier use of longer , and a retaining ring to increase downward air pressure.Graphics card model: GTX550Ti 4GD5Graphics core: GTX550TiChip manufacturer:Video memory capacity: 4096M (4GB)Video memory type: GDDR5Video memory bit width: 128bitVideo memory frequency: 3400MHzCore frequency: 783MHzStream Processor Unit (SP): 640Bus interface: PCI-express 2.0Maximum resolution: 2560x1600DirectX support: Direct X11Graphics card power consumption: 60WGraphics card cooling: Air coolingOutput interface: -Compatible + VGA + DVIColour: BlackMaterial: Plastic + Aluminum AlloyPackage Contents:1 x Graphic Card(Due to different product batches, the appearance , which does not affect the use)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.