PNY XLR8 GeForce GTX 550 Ti 1024MB GDDR5 PCI-Express 2.0 DVI-I+DVI-I+HDMI mini Graphics Card VCGGTX550TXPB - Walmart.com
Amazon.com: ASUS GeForce GTX 550 Ti (Fermi) 1GB 192-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card, ENGTX550 TI DC TOP/DI/1GD5 : Electronics
Amazon.com: PNY XLR8 GeForce GTX 550 Ti 1024MB GDDR5 PCI-Express 2.0 DVI-I+DVI-I+HDMI mini Graphics Card VCGGTX550TXPB : Electronics