Model : TL-PA8030PKIT

Hardware Version :

Firmware Version : TL-PA8030P(EU)_V1_160328

ISP :

Dear support,

please let me explain my setup:
I am using TP-Link TP-LINK TL-PA8030P KIT (Version 1) 1200 MBit with 2 adapters for about a year.

- One adapter is directly near the router with only the router connected to LAN1.
- The second adapter is in my office (1 room between). 2 PCs and 1 NAS connected

The speed was ok for me...

Last week I bought a second set to extend my network. I decided for the newer ("faster" version) TP-Link TP-LINK TL-PA8030P KIT (Version 2) 1300 MBit

I added the 2 new adapters so my network. As I need only 3 adapters at the moment I wanted to use two of the newer ones (1300 V2) and keep one of the older ones in my network and the second older one as a backup.

This should be my new setup:
- First adapter directly near the router with only the router connected to LAN1. >> change to faster one 1300Mbit V2
- The second adapter is in my office (1 room between). 1 PCs and 1 NAS connected >> no adapter change 1200Mbit V1
- The third adapter is in my office too (same room as 2nd) 1 PC and 1 Raspi connected >> new adapter 1300Mbit V2

The speed between 2nd and 3rd adapter is very slow. When I transfer files from PC to NAS I get about 2,5MB/s. Could the different versions be a problem? Firmware is the most recent one on both adapters.

I will provide screenshots later.

Any help is apreciated.

Kind regards