Hi, I have a set of extender boards for the HP 5355 as follows: 05355-60023 05335-60025 05355-60021 05355-60020 05355-60024 If $ 75.00 including shipping in US seems reasonable contact me or make offer. Bill Reed --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com