What is the Graphic Card slot of my old PC?

[krishnagrammarly]

I'm planning to add a 1GB Graphic card to my PC.

SPEC -
1. Intel Pentium Dual core E-2180 Processor.
2. Intel motherboard D945GCCR
3. 1GB + 1GB DDR2 RAM (Samsung + Hynix)
4. Western Digital 80GB HDD (10GB free in C
5. Graphics 82945G express chipset family.

Specs Image - https://ibb.co/bsxBib

 

[RobCrezz]

The PCI-E x16 slot.