The Radeon HD 7720 OEM was a graphics card by AMD, launched on March 15th, 2013. Built on the 40 nm process, and based on the Barts graphics processor, in its Barts LE variant, the card supports DirectX 11.2. The Barts graphics processor is an average sized chip with a die area of 255 mm² and 1,700 million transistors. Unlike the fully unlocked Radeon HD 6870, which uses the same GPU but has all 1120 shaders enabled, AMD has disabled some shading units on the Radeon HD 7720 OEM to reach the product's target shader count. It features 800 shading units, 40 texture mapping units, and 32 ROPs. AMD has paired 1,024 MB GDDR5 memory with the Radeon HD 7720 OEM, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 840 MHz, memory is running at 1050 MHz (4.2 Gbps effective). Being a dual-slot card, its power draw is rated at 150 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1. Radeon HD 7720 OEM is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 198 mm in length, and features a dual-slot cooling solution.