---
title: "IB-4020 Product Overview"
canonical: "https://docs.infoblox.com/space/4000SeriesInstallGuide/37617688/IB-4020%20Product%20Overview"
format: markdown
---
The IB-4020 appliance is a highly-optimized network appliance designed to operate as a Grid Master or Grid Master Candidate. It is not recommended for configuration as a Grid member. You can deploy the IB-4020 as the Grid Master in a large Grid to manage up to 500 Grid members and to handle complex Grid replications that involve a sizable number of data objects. You can also operate the IB-4020 in an high availability (HA) mode.  
 Key features of the IB-4020 include the following:

- Support for Grid management and all administrative features for Infoblox IPAM, DNS, DDNS, and DHCP
- Support for large Grids; up to 500 Grid members per Grid
- High availability support
- LOM (Lights Out Management) support
- Field replaceable hard disk drives
- Hot-swappable AC power supplies
- Field replaceable fan modules
- Optional DC power supplies
- Alternative system configurations for the support of copper or fiber SFP/SFP+ 1GbE/10GbE interfaces