The 20-year-old attacker, born in 2005, joined the Blades in February 2025 but has yet to make his senior debut, having only been an unused substitute in a Championship clash against Derby County last November.
In the meantime, he has been keeping match fit with Sheffield United's Under-21 side, featuring in the Professional Development League and Premier League Cup.
This loan to Serikspor represents a key step in Nwachukwu's transition from youth to senior football. The Turkish 1. Lig side currently sit 17th on the table with 26 points from 23 matches, and the Nigerian winger will look to make an immediate impact as the club fights to improve its position ahead of their upcoming fixture against Igdır F.K.
Nwachukwu began his football journey at IBS Dreams FC and FDC Vista in Nigeria before launching his professional career in Europe with Bulgarian club Botev Plovdiv.
Sheffield United remain invested in his potential, with his contract running until summer 2027 and options to extend through 2029.
He follows fellow Nigerian Ehije Ukaki as the second Blades player to leave on a temporary deal this winter, Ukaki joining Greek side Atromitos.
For Nwachukwu, the move is about more than playing time - it is a chance to prove himself at senior level, gain confidence, and position himself for future opportunities back at Sheffield United.
If he can adapt quickly to the Turkish league, the winger could become an important figure for Serikspor while taking a vital step in his professional career.