What is the minimum bend radius of HP SAN fiber optic cables? 05/20/2017 – by Mod_GuideK 0 What is the minimum bend radius of HP SAN fiber optic cables? A. 20 mm B. 25 mm C. 30 mm D. 40 mm SHOW ANSWERSCorrect Answer: B Explanation/Reference: Explanation: The minimum bend radius is 25mm for 50, 62.5. and 9 micron fiber optic cable. Download Printable PDF. VALID exam to help you PASS.