Versatile Compatibility - Widely compatible with SFF 8436 and QSFP MSA compliant equipment from Mellanox Juniper Arista Extreme NOKIA H3C and more brandsComprehensive SFP+ Support - This QSA adapter fits all SFP+ optics and cable reaches including SFP-10G-SR SFP-10G-LR SFP-10G-ER SFP-10G-ZR 10G SFP+ copper cable and 10G SFP+ active optical cable (I2C read port information comes from SFP+ port module)Cost-effective Conversion from QSFP+ to SFP+ Port - Ipolex 40G to 10G Adapter Module allows smooth and cost-effective migration to 40 Gigabit Ethernet by providing an option to use lower-speed. Plug and play no configuration requiredStable Performance - low insertion loss low crosstalk and low EMI emission; all metal housing design and secure latching mechanism; Operating case Temp range at -20 to 85Test Assured - Every QSA Adapter is tested by a skilled technician in ipolex lab for compatibility and stability before delivery