Dell NVIDIA Mellanox CX4121C ConnectX-4 Lx Dual Port SFP28 25GbE Rack Network Daughter Card (rNDC) 0R887V R887V
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- Specifications
- Description
| Manufacturer Part Number | 0R887V / R887V |
| Manufacturer | Dell |
| Condition | Refurbished |
| Standard Warranty | 90 Day Replacement Warranty |
| Item Category | Network Interface Cards (NICs) |
| Model | CX4121C ConnectX-4 Lx |
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Dell Mellanox ConnectX-4 CX422A Dual Port 25GbE SFP28 Network Daughter Card 0R887V R887V
Upgrade your Dell PowerEdge server with the Dell Mellanox ConnectX-4 CX422A Network Daughter Card (NDC), a high-performance dual-port 25GbE networking solution engineered for modern data centers, virtualization platforms, and enterprise workloads. Featuring two SFP28 ports, this Dell-qualified network adapter delivers up to 25GbE per port while maintaining backward compatibility with existing 10GbE SFP+ infrastructure.
Powered by the proven Mellanox ConnectX-4 Lx architecture, the R887V network daughter card provides advanced networking acceleration technologies including RoCE v1/v2, SR-IOV, VXLAN, NVGRE, and GENEVE offloads, helping reduce CPU utilization and improve application performance. Its dedicated rNDC form factor preserves valuable PCIe expansion slots while delivering enterprise-grade connectivity directly through compatible Dell PowerEdge server platforms.
Ideal for virtualization, software-defined storage, cloud computing, AI workloads, and high-speed data center networking, the Dell 0R887V offers reliable low-latency connectivity for demanding business environments.
Key Features
- Dell Part Number: 0R887V / R887V
- Mellanox ConnectX-4 Lx (CX422A) Controller
- Dual-Port 25GbE SFP28 Connectivity
- Backward Compatible with 10GbE SFP+
- Dell Proprietary rNDC (Rack Network Daughter Card) Form Factor
- PCIe 3.0 x8 Bandwidth Architecture
- RoCE v1/v2 RDMA Support
- VXLAN, NVGRE & GENEVE Offload
- SR-IOV Virtualization Acceleration
- Optimized for Virtualization and Cloud Environments
- Low-Latency, High-Performance Ethernet Networking
Compatible Dell PowerEdge Servers
The Dell Mellanox CX422A R887V is designed for select Dell PowerEdge servers featuring an rNDC slot, including:
- PowerEdge R640
- PowerEdge R740
- PowerEdge R740xd
- PowerEdge R7425
- PowerEdge R840
- PowerEdge R940
- PowerEdge R940xa
- Select R630 and R730 configurations with compatible daughter card support
Note: This is a Dell proprietary Network Daughter Card and is not compatible with standard PCIe slots, OCP mezzanine slots, or non-Dell server platforms.
Operating System Compatibility
Supports major enterprise operating systems including:
- Microsoft Windows Server
- VMware ESXi
- Red Hat Enterprise Linux (RHEL)
- CentOS
- SUSE Linux Enterprise Server (SLES)
- Ubuntu Server
- FreeBSD
Supported Cables & Transceivers
- 25GbE SFP28 DAC Cables
- 25GbE SFP28 Optical Transceivers
- 10GbE SFP+ Transceivers
- Active Optical Cables (AOC)
- LC Fiber-Based SR and LR Modules
Ideal Applications
- Enterprise Data Centers
- VMware & Hyper-V Virtualization
- Software Defined Storage
- NVMe over Fabrics (NVMe-oF)
- Cloud Infrastructure
- High-Performance Computing
- Database Servers
- Microsoft Azure Stack & Private Cloud Deployments