The GeForce 405 OEM was a graphics card by NVIDIA, launched on September 3rd, 2010. Built on the 40 nm process, and based on the GT218S graphics processor, in its GT218-300-B1 variant, the card supports DirectX 11.1. Even though it supports DirectX 11, the feature level is only 10_1, which can be problematic with many DirectX 11 & DirectX 12 titles. The GT218S graphics processor is a relatively small chip with a die area of only 57 mm² and 260 million transistors. It features 16 shading units, 8 texture mapping units, and 4 ROPs. NVIDIA has paired 512 MB DDR3 memory with the GeForce 405 OEM, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 589 MHz, memory is running at 790 MHz. Being a single-slot card, the NVIDIA GeForce 405 OEM does not require any additional power connector, its power draw is rated at 25 W maximum. Display outputs include: 1x DVI, 1x HDMI, 1x VGA. GeForce 405 OEM is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 168 mm in length, and features a single-slot cooling solution.