Check out Cabinet concrete block Low-poly 3D model on CGTrader for $10. High-quality mesh by icekazim: 492 polys, 300 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 24.2 MB), BLEND (Blender, filesize: 24.2 MB), FBX (Autodesk FBX, filesize: 24.2 MB)