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KK4NR Dell NVIDIA BlueField-3 DPU 400GbE RJ-45 PCIe Network Adapter

KK4NR
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Brief Overview of KK4NR

Dell KK4NR NVIDIA BlueField-3 E-Series B3140H Single-Port SuperNIC DPU 400GbE QSFP112 RJ-45 BMC PCIe 5.0 x16 Network Adapter. Excellent Refurbished with 1 Year Replacement Warranty 

$5,321.70
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SKU/MPNKK4NRAvailability✅ In StockProcessing TimeUsually ships same day ManufacturerDell Product/Item ConditionExcellent Refurbished ServerOrbit Replacement Warranty1 Year Warranty
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Description

Highlights of Dell KK4NR NVIDIA BlueField-3 Network Adapter

The Dell KK4NR NVIDIA BlueField-3 E-Series B3140H SuperNIC DPU is a next-generation 400GbE PCIe 5.0 network adapter engineered for hyperscale data centers, AI workloads, cloud computing, and high-performance enterprise environments. Powered by the advanced BlueField-3 SoC, this single-port QSFP112 adapter delivers ultra-fast Ethernet and InfiniBand connectivity with intelligent offload capabilities.

General Information

  • Manufacturer: Dell
  • Part Number: KK4NR
  • Product Type: Data Processing Unit (DPU) Network Adapter
  • Interface: 400GbE QSFP112
  • Expansion Slot: PCIe 5.0 x16

Technical Specifications

Advanced BlueField-3 E-Series SoC

  • SoC: BlueField-3 E-Series
  • CPU Cores: 8 ARM cores
  • Core Frequency: 505MHz / 2000MHz
  • Memory: 16GB DDR5 with ECC
  • Storage: 40GB pSLC eMMC + 128GB SSD
  • Memory Speed: 5200 MT/s

Ultra-Fast 400GbE and InfiniBand Connectivity

Single-Port QSFP112 Networking

Supported Ethernet Data Rates

  • 400GbE / 200GbE
  • 100GbE / 50GbE
  • 25GbE / 10GbE
  • Multiple BASE-CR and GAUI standards

InfiniBand Protocol Speeds

  • NDR / NDR200
  • HDR / HDR100
  • EDR / FDR / SDR
  • Auto-negotiation support
Protocol Compatibility
  • IBTA v1.5 compliant
  • Multi-lane bandwidth options
  • Flexible Ethernet standards
  • High-speed fabric connectivity

PCIe 5.0 x16 High-Bandwidth Interface

Next-Generation PCI Express Support

PCIe Interface Features

  • PCIe Version: Gen 5.0
  • Lanes: 16-lane configuration
  • Backward Compatibility: PCIe 4.0 / 3.0 / 2.0 / 1.1
  • System Power: Minimum 75W via PCIe

Integrated Management and Connectivity Options

Out-of-Band Management

  • 1 x QSFP112 networking port
  • 1 x RJ-45 BMC management port
  • PCIe 5.0 x16 host interface

Physical Design and Form Factor

HHHL Single-Slot Design

  • Card Size: 68.90mm x 167.65mm
  • Tall Bracket: 120.5mm x 21.95mm
  • Heatsink: 139.6mm x 92.7mm x 10.2mm

Electrical and Environmental Specifications

Power Requirements

  • Voltage: 12V
  • Minimum Power Supply: 75W via PCIe x16

Operating Conditions

  • Operating Temperature: 0°C to 55°C
  • Storage Temperature: -40°C to 70°C
  • Operating Humidity: 10% to 85% RH
  • Non-operating Humidity: 10% to 90% RH
  • Operational Altitude: Up to 3050m

Ideal Applications and Deployment Scenarios

  • AI and machine learning clusters
  • High-performance computing (HPC)
  • Cloud data centers
  • Software-defined storage
  • Network function virtualization
  • Secure multi-tenant environments

Overview of Dell KK4NR NVIDIA DPU 400GbE PCIe BMC Adapter

The Dell KK4NR NVIDIA BlueField-3 E-Series B3140H Single-Port SuperNIC DPU 400GbE QSFP112 RJ-45 BMC PCIe 5.0 x16 Network Adapter category represents one of the most advanced generations of intelligent networking hardware designed for modern data center, artificial intelligence, and high-performance computing environments. Engineered through the collaboration of this SuperNIC Data Processing Unit combines ultra-high-speed networking, intelligent offloading capabilities, and embedded processing to enable secure, efficient, and scalable network infrastructure. Unlike traditional network interface cards, the BlueField-3 SuperNIC integrates a dedicated data processing unit capable of handling networking, storage, and security workloads independently from the host CPU.

BlueField-3 DPU Architecture and Intelligent Offload

The BlueField-3 architecture represents a fundamental shift in network processing by integrating a powerful data processing unit directly within the network adapter. This DPU contains dedicated processing cores, memory subsystems, and acceleration engines designed to handle network data flows independently. This architecture allows the adapter to manage networking protocols, storage operations, encryption, and security enforcement without consuming host CPU resources. The ability to offload critical infrastructure tasks enables the host system to focus on application execution rather than infrastructure management. This results in improved performance, reduced latency, and enhanced scalability across high-performance computing environments.

Dedicated Processing Cores for Infrastructure Workloads

The embedded processing cores within the BlueField-3 SuperNIC allow the adapter to execute network, storage, and security workloads directly on the device. These cores handle packet processing, firewall functions, and virtualization networking tasks, significantly reducing CPU utilization. This ensures consistent performance even under heavy workloads.

Independent Data Path Processing

The separation of data plane and control plane processing enhances system stability and security. Infrastructure services operate independently from host applications, ensuring isolation and preventing performance bottlenecks caused by shared resource contention.

400GbE QSFP112 Connectivity Ultra-High-Speed Data Transfer

The Dell KK4NR BlueField-3 SuperNIC category supports 400 Gigabit Ethernet connectivity through QSFP112 interfaces, providing exceptional data transfer rates required for modern AI clusters and hyperscale data centers. This level of bandwidth enables high-speed communication between servers, storage systems, and accelerators, ensuring efficient data exchange for demanding workloads. The QSFP112 interface supports next-generation high-speed networking standards, allowing organizations to deploy infrastructure capable of handling massive volumes of data. This ensures reliable performance in environments such as AI model training, distributed computing, and real-time analytics.

PCIe 5.0 x16 Interface and Maximum Host Bandwidth

The Dell KK4NR NVIDIA BlueField-3 E-Series B3140H Single-Port SuperNIC DPU 400GbE QSFP112 RJ-45 BMC PCIe 5.0 x16 Network Adapter represents one of the most advanced network acceleration and infrastructure offload solutions available for modern enterprise and hyperscale data centers. Built on the revolutionary NVIDIA BlueField-3 data processing unit architecture, this SuperNIC DPU adapter delivers unprecedented levels of networking performance, infrastructure acceleration, and security offload capabilities. Organizations deploying large-scale virtualized environments, AI workloads, high-performance computing clusters, and cloud-native infrastructure benefit significantly from the intelligent offloading and acceleration provided by this powerful network interface solution.

BlueField-3 SuperNIC DPU Technology and Hardware Acceleration Framework

The BlueField-3 SuperNIC DPU architecture incorporated into the Dell KK4NR network adapter represents a significant evolution in networking technology, combining traditional network interface controller functionality with advanced data processing unit intelligence. This hybrid architecture enables the adapter to offload numerous infrastructure tasks from the host CPU, including network virtualization, encryption, packet inspection, telemetry, and storage processing. By offloading these tasks directly to the DPU hardware, organizations can significantly reduce CPU utilization, improve overall system efficiency, and enable host processors to focus on application workloads rather than infrastructure overhead.

PCIe 5.0 x16 Interface and High-Bandwidth Server Integration

The PCIe 5.0 x16 interface implemented in the Dell KK4NR BlueField-3 SuperNIC DPU ensures maximum data transfer capacity between the server and the network adapter. PCIe 5.0 technology provides double the bandwidth of PCIe 4.0, enabling faster communication, improved responsiveness, and better support for high-speed networking environments. This high-bandwidth interface ensures that the adapter can fully utilize its 400GbE networking capability without encountering internal bottlenecks. Modern enterprise servers equipped with PCIe 5.0 slots benefit from seamless integration with the BlueField-3 SuperNIC, ensuring optimal performance across demanding workloads such as artificial intelligence, machine learning, real-time analytics, and large-scale database processing.

Data Path Acceleration and Host Offload

The BlueField-3 SuperNIC DPU includes dedicated processing cores and acceleration engines that handle networking, security, and storage processing independently of the host CPU. This architecture enables true infrastructure offload, reducing CPU overhead and improving application performance. By managing network traffic processing directly on the DPU, the adapter minimizes latency and improves overall system efficiency. This capability is particularly beneficial for environments that require real-time processing, high-frequency transactions, and ultra-low latency communication between distributed systems.

400GbE QSFP112 Connectivity and Ultra-High-Speed Networking

The 400GbE QSFP112 port included in the Dell KK4NR BlueField-3 SuperNIC provides exceptional network throughput, enabling organizations to deploy ultra-high-speed networking infrastructure capable of supporting the most demanding workloads. The QSFP112 interface supports advanced signaling technologies and high-density connectivity, ensuring reliable, high-speed communication between servers, switches, and storage systems. This level of networking performance is essential for modern data centers that rely on distributed computing architectures, high-performance storage networks, and large-scale virtualization environments. The ability to transmit and receive data at 400Gbps ensures minimal latency and maximum throughput, supporting applications that require high bandwidth, such as real-time analytics, AI training, and high-performance computing simulations.

High-Density Data Center Networking and Scalability Benefits

High-density networking environments benefit significantly from the 400GbE connectivity provided by the Dell KK4NR BlueField-3 SuperNIC adapter. By consolidating multiple lower-speed connections into a single high-speed interface, organizations can reduce cabling complexity, simplify infrastructure management, and improve overall network efficiency. The high bandwidth capacity also enables better resource utilization, allowing servers to handle larger workloads without experiencing network congestion or performance degradation. This scalability ensures that the adapter can support future infrastructure expansion and increased workload demands.

Low Latency Communication and Real-Time Data Processing

The advanced hardware architecture of the BlueField-3 SuperNIC ensures minimal latency during data transmission, enabling real-time communication between distributed systems. Low latency networking is essential for financial trading platforms, AI inference workloads, telecommunications infrastructure, and high-performance computing applications. By reducing latency and improving network responsiveness, the adapter enhances overall system performance and enables faster processing of time-sensitive workloads.

Reliable and Consistent Throughput for Mission-Critical Applications

The Dell KK4NR network adapter is designed to provide consistent throughput under heavy load conditions, ensuring reliable performance for mission-critical applications. Advanced error correction, traffic management, and congestion control mechanisms ensure that data is transmitted efficiently and accurately across the network. This reliability is essential for enterprise environments that require uninterrupted connectivity and high availability.

Integrated Security Features and Infrastructure Protection

Security is a critical concern for modern enterprise networks, and the Dell KK4NR NVIDIA BlueField-3 SuperNIC DPU addresses this challenge by incorporating advanced hardware-based security features. The integrated DPU architecture enables secure isolation of workloads, hardware-enforced access controls, and encryption acceleration. By offloading security functions to the DPU, the adapter ensures that sensitive data is protected without impacting host CPU performance. This approach enhances overall infrastructure security while maintaining high performance levels.

Cloud Infrastructure

The Dell KK4NR BlueField-3 SuperNIC DPU is specifically designed to support cloud-native environments, virtualization platforms, and artificial intelligence workloads. By offloading infrastructure tasks from the host CPU, the adapter improves virtualization density, enhances application performance, and enables efficient resource utilization.

High-Bandwidth Machine Learning Workloads

Machine learning workloads require rapid data movement between compute nodes and storage systems. The 400GbE connectivity provided by the BlueField-3 SuperNIC ensures low-latency communication, enabling faster model training and improved performance for AI-driven applications.

Low-Latency Communication for Real-Time Applications

High-speed connectivity minimizes latency, enabling real-time applications such as financial trading systems, telecommunications infrastructure, and large-scale data analytics to operate efficiently.

Networking Infrastructure

Support for 400GbE ensures compatibility with future networking standards, allowing organizations to deploy infrastructure capable of meeting evolving performance requirements.

Hardware-Based Encryption and Secure Network Isolation

The BlueField-3 DPU supports hardware-accelerated encryption protocols, enabling secure communication between network nodes without introducing performance overhead. Secure workload isolation ensures that virtual machines and containers remain protected from unauthorized access, enhancing multi-tenant environment security.

Secure Boot and Trusted Platform Integration

The adapter includes secure boot functionality, ensuring that only trusted firmware and software components are executed. This capability protects against unauthorized modifications and enhances overall infrastructure security.

Real-Time Threat Detection and Telemetry

Advanced telemetry and monitoring capabilities enable real-time visibility into network activity, allowing organizations to detect and respond to security threats quickly.

Features
Product/Item Condition:
Excellent Refurbished
ServerOrbit Replacement Warranty:
1 Year Warranty