Memory (RAM): 16 GB DDR3 1600 MHz, non-ECC (unbuffered), dual-channel DDR3L Upgradeable The computer supports increasing RAM up to 32 GB via four DIMM slots in some versions (Mini-Tower and Small Form Factor) and up to 16 GB via two Ultra Small Form Factor (USFF) DIMM slots
Storage (SSD): 512GB SSD.
Graphics: The 4th generation i7 processor includes an integrated Intel HD Graphics 4600 graphics card. The VGA graphics card output is located via a 15-pin port on the back of the device. It also supports HDMI and DisplayPort (depending on configurations).
Connectivity and Ports: Front and rear USB 3.0 ports, USB 2.0, one VGA port, two DisplayPort ports, an RJ-45 network port, and front and rear audio ports.
Wireless Connectivity: The Dell OptiPlex 9020 i7-4th Gen comes standard with a wired Ethernet (RJ-45) port to ensure fast and stable networking. It can also be easily equipped with additional wireless (Wi-Fi and Bluetooth) cards as needed, providing complete flexibility in connecting to wireless networks.