HD 4870 GPU, 512MB, GDDR3, PCI-E, ATI CrossFireX, Dual DL-DVI-I+HDTV
Sapphire Radeon HD 4870 512MB, GDDR5, 256 bit, 900 MHz, 2560 x 1600 pixels, PCI Express 2.0
Sapphire Radeon HD 4870 512MB. Processor frequency: 750 MHz. Graphics card memory type: GDDR5, Memory bus: 256 bit, Memory speed: 900 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1, OpenGL version: 2.0, Dual-link DVI. PCI bus: PCI Express 2.0