These devices are based on Qualcomm Atheros APJET01 reference board.
A notable difference from the reference design is changed partition layout.
There are two variants with different flash sizes.
All models within the same variant are identical hardware-wise.
| 16 MiB variant models | 32 MiB variant models |
|---|---|
| ASUS RT-AC57U v2 | ASUS RT-AC57U v3 |
| ASUS RT-AC58U v2 | ASUS RT-AC58U v3 |
| ASUS RT-AC59U v1 | ASUS RT-AC59U v2 |