AMD Radeon RX 6400 will go on sale on April 20. This hasn't stopped NVX System Integrators from selling the card in Singapore. What's more interesting however is the price that the MSI RX 6400 AERO ITX is going for.
https://www.notebookcheck.net/Pay-more-for-less-Custom-AMD-Radeon-RX-6400-on-sale-in-Singapore-at-a-higher-retail-price-than-the-RX-6500-XT.613263.0.html