This is a vintage GPU, suitable for a retro PC build. It was released in 2011. From techpowerup.com: "The GeForce GTX 550 Ti was a mid-range graphics card by NVIDIA, launched on March 15th, 2011. Built on the 40 nm process, and based on the GF116 graphics processor, in its GF116-400-A1 variant, the card supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_0, which can be problematic with newer DirectX 12 titles. The GF116 graphics processor is an average sized chip with a die area of 238 mm² and 1,170 million transistors. It features 192 shading units, 32 texture mapping units, and 24 ROPs. NVIDIA has paired 1,024 MB GDDR5 memory with the GeForce GTX 550 Ti, which are connected using a 192-bit memory interface. The GPU is operating at a frequency of 900 MHz, memory is running at 1026 MHz (4.1 Gbps effective).
Being a dual-slot card, the NVIDIA GeForce GTX 550 Ti draws power from 1x 6-pin power connector, with power draw rated at 116 W maximum. Display outputs include: 2x DVI, 1x mini-HDMI 1.3a. GeForce GTX 550 Ti is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 210 mm in length, and features a dual-slot cooling solution. Its price at launch was 149 US Dollars."