Hello @mbhoniedavids
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You can order both parts directly from the website.
Currently, the part is out of stock, but you can check the lead time and place an order accordingly.
DK-DEV-5CSXC6N-B : DK-DEV-5CSXC6N-B Altera | Development Boards, Kits
ACT-018-1 : ACT-018-1 Assmann WSW Components | Test and Measurement | DigiKey