Even though the GeForce 500 series should replace the 400 entirely, NVIDIA made a decision in February to offer the original OEM product GeForce GT440 also as a separate product for the retail market. Targeting the mainstream segment and promising good energy efficiency and sufficient 3D power, HT4U.net shows the example implementation of Zotac.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips