Blackmagic design mini converter sdi multiplex
The converter you need when converting between quad link hd sdi 4k and dual link 3 gbs sdi 4k equipment mini converter sdi multiplex includes 4 x 3 gbs sdi inputs and 4 x 3 gbs sdi outputs so it can convert in both directions also converts between dual link hd sdi 444 and single link 3 gbs sdi