Based on this product's specifications, here are some alternatives and similar models
Shuttle XPC cube SB860R8 PC Barebone, Intel B860, LGA 1851, DDR5, 500W, Black
Summary description:
The Shuttle XPC cube SB860R8 is a high-performance PC barebone system featuring the Intel B860 chipset and LGA 1851 socket. Designed for versatility, it supports up to 192 GB of DDR5-SDRAM across four slots. This compact cube chassis includes a 500W power supply, dual Ethernet ports, and flexible storage options via SATA III and PCIe interfaces, making it an ideal foundation for custom workstations or powerful desktop builds.