Dell Mellanox CX4121C ConnectX-4 25GB Dual Port SFP28 Network Daughter Card - R887V
Every Bytestock refurbished product completes a rigorous refurbishment process that includes full testing. Our refurbished hardware offers extensive savings, typically anywhere from 30%-70% off the MSRP.
Manufacturer | DELL |
---|---|
Network Ports | 2 Port Dual |
Parts Condition | Manufacturer Refurbished |
The Dell Mellanox CX4121C ConnectX-4 25GB Dual Port SFP28 Network Daughter Card is a high-performance networking solution designed to meet the demands of modern data centers and enterprise environments. With dual 25GbE SFP28 ports, this network card provides exceptional bandwidth and low latency, enabling fast and efficient data transfer for data-intensive applications. It is ideal for high-performance computing (HPC), cloud infrastructure, and large-scale enterprise networks where performance and reliability are paramount.
The ConnectX-4 adapter leverages Mellanox's advanced networking technology, offering robust features such as RDMA over Converged Ethernet (RoCE), which significantly reduces CPU overhead by offloading data transfer tasks, thus improving overall server performance. This feature is particularly beneficial for applications that require high throughput and low latency, such as machine learning, big data analytics, and real-time data processing. Additionally, the card supports enhanced network virtualization with Single Root I/O Virtualization (SR-IOV), providing efficient and scalable networking for virtualized environments.
Built for enterprise-grade reliability, the Dell Mellanox CX4121C includes comprehensive management tools that integrate seamlessly with existing IT infrastructure. The card supports advanced network management features, ensuring efficient monitoring and configuration of network resources. Its compatibility with various network protocols and standards makes it a versatile choice for upgrading and optimizing network performance. The compact form factor ensures it fits easily into Dell server platforms, providing a reliable and high-performance networking solution for demanding enterprise applications.
Delivery Information
- We Ship Worldwide
Shipping quotes are calculated at checkout using our discounted rates with DHL, based on weight and location.
- Parts Orders
Despatched same day with DHL, providing your order and payment are both received before 4pm, Monday to Friday (except bank holidays).
- System Orders
If ordered before 4pm we endeavour to ship your configured system that same day. However, if your order is particularly large or complex, we’ll take a bit more time to ensure you receive the best possible product.
- DHL UK Express
Next business day delivery during the day to the UK mainland if ordered before 4pm.
- DHL UK Express Pre 12pm
Next day delivery by 12:00 noon to UK mainland addresses.
- DHL Express Worldwide
2-3 day delivery during the day to almost all European business centres and 2-4 days for most other worldwide addresses (some shipments to EU addresses may face delays outside of our control due to customs charges).
- Collection / Own Shipping Account
If you wish to collect your order in person or use your own shipping account (UPS, DHL, TNT and FedEx). Please add your shipping instructions to your order at checkout, or speak to our team on LiveChat or +44 (0) 1753 965 777.


Up to 5-Year Warranty


1-Year Warranty


Extended Warranty Option (3 and 5 Years)
For older generation products that come with a 1-year warranty, we offer the option to extend the warranty to 3 or 5 years for an additional charge.