https://www.amazon.co.jp/QNAP%E3%81%AA%E3%81%A9%E3%80%90%E5%A4%9A%E6%A9%9F%E7%A8%AE%E4%BA%92%E6%8F%9B%E3%80%91-10GBASE-CU-Twinax%E3%82%B1%E3%83%BC%E3%83%96%E3%83%AB-SFP-H10GB-CU2M-2m%E3%80%903%E5%B9%B4%E4%BF%9D%E8%A8%BC%E3%80%91/dp/B01B346OKQ/ref=sr_1_48?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&crid=U7KVBGN7E4SD&dib=eyJ2IjoiMSJ9.dsyi32e1WbFIKHW3BC-1sNNtY7hz5Xi-Q5KlY6-EWRjrtbHV1pMHJ6njxHcNqagZKxHRO7tvnWtZYqtC5ax7aSkvEFoX3XvDb6lLexm1JeXCTr4CvxsGV727NzH0f3rhCMF__lgd8bCOwtscriH367ZYQD9KgTaCiiXkctvZsYYfp6RYG0Hq6tjDsb5NKR1nIhHm2U77T-91Lu842sBu4GrCa6pOQD9JrTzktpV5DozoLMDQAAt1Obpp_mRsYAmYjNbHjog0Seiub6oJcGM-0rpgXXz_msw4eMGCsm2qj-M.T_PBZxmGp2yE2vCMuhrTWXCyxcyyd2UbvwVJiJ82Srk&dib_tag=se&keywords=SFP%2B%E3%83%8F%E3%83%96&qid=1715004071&sprefix=sfp%2B%E3%83%8F%E3%83%96%2Caps%2C164&sr=8-48&th=1
思考の /dev/null