The external NVIDIA I/O chip. The design of having an external I/O chip was present in G80.
Hynix 0.8ns GDDR3 memory onboard!
The GeForce GTX 280 uses a 5-phase PWM design by Volterra.
Looks familiar? It’s the same backplate used on the GeForce 9800 GTX.
SLI connectors on the NVIDIA GeForce GTX 280. Tri SLI is possible on the GTX 280!
The rear of the card has an LED which lights green (operating) or red (no PCI-E power connected).
The light is guided through a light tube from the PCB (where the LED is) to the backplate.