* Online Price may be wrong or outdated and can NOT be used as proof by anyone or any organization for any purpose.
| Parameters | NetEngine AR6120 / AR6120-VW | NetEngine AR6121 | NetEngine AR6140-9G-2AC | NetEngine AR6140-16G4XG |
| Forwarding Performance (LAN - > WAN + WAN - > LAN, NAT + ACL + QoS, 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) |
| WiFi | Dual-band (2.4 GHz and 5 GHz), 802.11b/g/n/ac (AR6120-VW support) | - | - | - |
| DSP (Voice) | built-in 64-channel voice (AR6120-VW support) | - | - | - |
| 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 | 4 GB |
| Flash Memory | 1 GB/ 512 MB *** | 1 GB | 1 GB | 1 GB |
| Hot Swapping | Supported | Supported | Supported | Supported |
