SFP and SFP+ have the same size and appearance. The main differenceaa between SFP and SFP+ is that SFP is often used for 100Base or 1000Base applications, while the SFP+ is used in Gigabit Ethernet applications. And the data rate and transmission distance of them are also different. For example, SFP supports speed up to 4Gbps Fibre Channel transceiver, while the speed of SFP+ transceiver is up to 10.3125Gbps.

We're a leading supplier of optical modules in mainland China
 3 R&D centers | 8 channel test systems | OEM service

Conveniently Located Near Shanghai and Hangzhou
 ZKTel is located in Shaoxing, nearby Shanghai and Hangzhou, which is the only supplier of optical devices, modules and sub-systems in Zhejiang Province. We are also the only supplier of optical modules based on Si-photonics in China. Our company was built by Dr. Luo from abroad. The major members of the team are with PhD or Master's degree holders and with excellent experience in optical communication.