8.15 in 1.4 in  | 8.66 in 6.3 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Asus RT-AC66U |  Asus RT-AC68UF | |
|---|---|---|
| Connectivity technology |
|
|
| Number of LAN ports | 4 | 4 |
| Number of WAN ports | 1 | 1 |
| USB | yes | yes |
| Total USB ports | 2 | 2 |
| Number of USB 2.0 ports | 2 | 1 |
| Number of USB 3.0/3.1 ports | 0 | 1 |
| Asus RT-AC66U | Asus RT-AC68UF | |
|---|---|---|
| Colour of product |
| Black |
| Asus RT-AC66U | Asus RT-AC68UF | |
|---|---|---|
| Width | 8.15 in | 8.66 in |
| Height | 1.4 in | 6.3 in |
| Depth | 5.86 in | 3.28 in |
| Weight | 0.99 lb | 1.41 lb |
| Number of units | 1 | 1 |
| Asus RT-AC66U | Asus RT-AC68UF | |
|---|---|---|
| Frequency band |
|
|
| Communication protocol |
| IPv6 |
| Network / transport Protocol |
|
|
| Wireless standards |
|
|
| Wireless network | yes | yes |
| 2.4GHz wireless network | yes | yes |
| 5GHz wireless network | yes | yes |
| MIMO | yes | yes |
| Beamforming | yes | yes |
| Number of antennas | 3 | 3 |
| Asus RT-AC66U | Asus RT-AC68UF | |
|---|---|---|
| Included flash memory | 128.0 MB | 128.0 MB |
| Included RAM | 256.0 MB | 256.0 MB |
| Pros | ||
|---|---|---|
| Cons |
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