| AR6120 | AR6121 | AR6140-9G-2AC | AR6140-16G4XG |
Forwarding Performance (LAN - > WAN + WAN - > LAN, NAT + ACL + QoS, and IMIX) | 2 Gbit/s | 2 Gbit/s | 2 Gbit/s | 6 Gbit/s |
IPsec Performance (IMIX) | 2 Gbit/s | 2 Gbit/s | 2 Gbit/s | 5 Gbit/s |
Fixed WAN Ports | 1 x GE combo, 1 x GE RJ45, and 1 x 10 GE SFP+ (compatible with GE SFP) | 2 x GE combo and 1 x 10 GE SFP+ (compatible with GE SFP) | 2 x GE RJ45 and 2 x GE SFP | 4 x GE and 4 x 10GE SFP+ (compatible with GE optical ports) |
Fixed LAN Ports | 8 x GE RJ45 (can be configured as WAN) | 1 x GE combo + 8 x GE RJ45 (can be configured as WAN) | 2 x GE SFP and 3 x GE RJ45 (can be configured as WAN) | 12 x GE (can be configured as WAN) |
SIC Slots | 2 | 2 | 4 | 4 |
WSIC Slots | 0 (default)/1 (maximum) | 0 (default)/1 (maximum) | 0 (default)/2 (maximum) | 0 (default)/2 (maximum) |
USB Port | 1 x USB 3.0 (compatible with USB 2.0) and 1 x USB 2.0 | 1 x USB 3.0 (compatible with USB 2.0) and 1 x USB 2.0 | 1 x USB 3.0 (compatible with USB 2.0) | 1 x USB2.0 |
Auxiliary or Console Port | 1 x RJ45 console port | 1 x RJ45 console port | 1 x RJ45 console port | 1 x RJ45 console port |
Memory | 2 GB | 2 GB | 2 GB | 2 GB |
Flash Memory | 1 GB/ 512 MB | 1 GB | 1 GB | 1 GB |
Hot Swapping | Supported | Supported | Supported | Supported |