You can use the AOC AM420B monitor mount with two Philips 328E1CA/00 monitors, but there are a few things to keep in mind:

- The AM420B mount supports monitors ranging in size from 17" to 34".
- The Philips 328E1CA/00 monitors have a size of 31.5", which is within the supported range.
- The mount is compatible with VESA mounting sizes of 100 x 100 mm and 75 x 75 mm, and the Philips 328E1CA/00 monitors have a VESA mounting size of 100 x 100 mm.
- Each monitor may weigh a maximum of 9kg and the Philips 328E1CA/00 monitors should be within this weight range.

This means that the AOC AM420B monitor mount is generally compatible with Philips 328E1CA/00 monitors.