Dutch state railways NS operates in Germany under the trade name Abellio. This is Abellio's electric multiple unit of the type Bombardier Talent 2, which Abellio calls Br9442. Other companies call the same trains Br442, Br1442 or Br2442. This is a short-haul S-Bahn or regional train service. Abellio operates nearly 30 Regionalbahn or Regionalexpress lines in former East Germany. Top speed of these trains is 160 km/h and Abellio has 35 of them in the network Mitteldeutschland.
Picture from Leipzig Hbf 16.7.2018 by Ilkka Siissalo.

Another view of an Abellio Talent 2, Br9442.
Picture from Leipzig Hbf 16.7.2018 by Ilkka Siissalo.

Two of Abellio's new Alstom LINT 41 trains of class Br1648 forming a regional express RE4 service to Goslar and stopping here at Wernigerode. Abellio got these new trains in 2017. These two-coach railbuses have a top speed of 140 km/h and have 110 seats each.
Picture from Wernigerode 1.7.2019 by Ilkka Siissalo.

The same Alstom LINT 41 as above, but seen more from its side.
Picture from Wernigerode 1.7.2019 by Ilkka Siissalo.

The same Alstom LINT 41 as above seen from its front.
Picture from Wernigerode 1.7.2019 by Ilkka Siissalo.

The Rhein-Ruhr Express RRX was a trade name of Abellio. Here a first Siemens Desiro HC train, Baureihe 462, was being displayed for the first time before it started to run RRX services. RRX is a regional express train services system comprising five lines, mainly following the river Rhein. After the bankruptcy of Abellio Nordrhein-Westfalen, the RRX services have lately been operated by National Express. The RRX services were started first with Stadler Flirt trains, but then later 84 of these Siemens Desiro HC were bought for the RRX.
Picture 1.9.2018 from Essen Hauptbahnhof by the Wikipedia user "Mnfred Kopka". Published under the Creative Commons CC BY-SA 4.0 Deed Attribution-ShareAlike 4.0 International license.