The SiPeed Tang Primer 20k is a low cost FPGA module and an upgrade to the Tang Nano FPGA board with a more powerful GW2A-V18PG256C8IC8I7 as the main chip.
Tang Primer 20K FPGA Development Board MCU, with LUT4, PMOD Port *4, for RISC-V and Embedded Development (with Dock ext-Board)