The 5U size Rio3224-D provides 32 ins, 16 outs, and four AES/EBU outputs

The 3U size Rio1608-D has 16 ins and 8 outs

The PW800W is extremely compact and lightweight (3U, 10kg). Thanks to its high efficiency, the low speed cooling fans are extremely quiet. PW800W can be added as a redundant power supply for CL Series or M7CL. When using with PM5D, two units can be serially connected to achieve failsafe operation. PW800W accepts 100 - 240 volts so it can be used anywhere

Audinate's Dante-MY16-AUD card is a fully compatible Yamaha Mini-YGDAI standard card that instantly Dante-enables your Yamaha mixer, processor or power amp. Each Dante-MY16-AUD provides 16 bidirectional audio channels (8 at 96 kHz) and full Dante network audio redundancy over Gigabit Ethernet

Offering 8 channels of analog input plus 8 channels of analog output in a single-slot card, the MY8-ADDA96 has been specifically designed for use with Yamahas DME24N or DME64N Digital Mixing Engines, but is also an excellent I/O expansion choice for Yamaha digital mixing consoles