If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. QSFP-40G-CSR4 Cisco 40 Gigabit Modules Brand: CISCO Model Number:QSFP-40G-CSR4 Product category: Cisco 40GBASE QSFP Modules Condition: Brand New Sealed Product Price: Click Product Inventory list Product Details:40GBASE-CSR4, 4 lanes, 850 nm MMF Related products: CFP-40G-SR4 CFP-40G-LR4 CFP-40G-FR CVR-CFP-4SFP10G QSFP-40G-SR4-S QSFP-40G-SR4 QSFP-40G-SR-BD QSFP-40G-BD-RX FET-40G QSFP-40G-CSR-S QSFP-40G-CSR4 WSP-Q40GLR4L QSFP-40G-LR4-S QSFP-40G-LR4 QSFP-4X10G-LR-S QSFP-40G-ER4 QSFP-H40G-CU QSFP-H40G-ACU QSFP-4SFP10G-CU QSFP-4X10G-AC QSFP-H40G-AOC QSFP-4X10G-AOC CVR-QSFP-SFP10G *Subject: *Your Name: *E-mail: *Phone: WhatsApp: Skype: Company: *Content: Please prove you are human by selecting the house. SUBMIT Δ