**Full Part Number:** CVR-QSFP28-SFP25G  
**Manufacturer:** Cisco Systems, Inc.
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### **Overview**
The **Cisco CVR-QSFP28-SFP25G** is a high-performance adapter module designed to provide flexible connectivity between QSFP28 and SFP28 interfaces. This adapter allows for seamless integration of 25G SFP28 transceivers into 100G QSFP28 ports, offering a cost-effective and efficient solution for network upgrades and expansion. The CVR-QSFP28-SFP25G is ideal for environments requiring high-speed data transmission and adaptable network configurations.
### **Key Features**
- **QSFP28 to SFP28 Adapter:** Enables connectivity between 100G QSFP28 ports and 25G SFP28 transceivers, allowing for versatile network design and compatibility.
- **High-Speed Data Transfer:** Supports 25G data rates, ensuring fast and reliable performance for high-bandwidth applications and network traffic.
- **Backward Compatibility:** Provides compatibility with existing network infrastructure by allowing the use of 25G SFP28 modules in 100G QSFP28 ports.
- **Easy Integration:** Designed for straightforward installation and integration into compatible Cisco switches and routers, minimizing setup complexity.
- **Cost-Effective Solution:** Offers a budget-friendly way to extend the lifespan of existing network equipment and facilitate network upgrades without replacing the entire system.
- **Robust Performance:** Engineered to deliver high performance and reliability, supporting demanding network environments and high-speed data transmission.
### **Applications**
- **Data Centers:** Ideal for data center environments where flexibility and high-speed connectivity are required, enabling seamless integration of 25G modules into 100G ports.
- **Enterprise Networks:** Suitable for enterprise networks needing to adapt their infrastructure to support both 25G and 100G connectivity, enhancing network performance and scalability.
- **Network Upgrades:** Perfect for organizations looking to upgrade their network without investing in new switches or routers, using existing equipment with the CVR-QSFP28-SFP25G adapter.
### **Specifications**
- **Model:** Cisco CVR-QSFP28-SFP25G  
- **Adapter Type:** QSFP28 to SFP28  
- **Data Rate:** 25G  
- **Connector Type:** QSFP28 (input), SFP28 (output)  
- **Compatibility:** Works with 100G QSFP28 ports and 25G SFP28 transceivers  
- **Installation:** Plug-and-play design for easy installation  
- **Dimensions:** Compact form factor for efficient use of rack space  
- **Operating Temperature Range:** Designed to operate within standard data center conditions  
### **Why Choose Cisco CVR-QSFP28-SFP25G?**
The **Cisco CVR-QSFP28-SFP25G** adapter module provides a versatile and cost-effective solution for integrating 25G SFP28 transceivers into 100G QSFP28 ports. Its high-speed data transfer capabilities, backward compatibility, and ease of integration make it an excellent choice for data centers and enterprise networks seeking to enhance their connectivity and performance. By offering a reliable and flexible connection option, this adapter module helps extend the lifespan of existing network infrastructure while supporting high-bandwidth applications.