NexCore NexCore

Global Infrastructure Technology Leader

Top China Network Cards Manufacturer & Factories

Industrial-Grade NICs, SmartNICs, High-Speed QSFP+ Cabling, & Enterprise AI Hardware Solutions

Featured High-Performance Networking & Server Hardware

Discover our primary lineup of enterprise rackmount servers, GPU accelerators, and high-speed interconnect infrastructure designed for low-latency calculations.

Wholesale Shenzhen PowerEdge R350 Dell Server

Wholesale Shenzhen PowerEdge R350 1U Rack Mount 1U Dell Workstation Servers Rack Nas Precision Xeon Server

View Technical Specs
xFusion 2288H V7 Hyperconverged Infrastructure Server

New xFusion 2288H V7 Hyperconverged Infrastructure Server 12*3.5 Inch Drive Xeon 4410Y 64GB 2*10GE 1500W 2288H V7 2U Rack Server

View Technical Specs
QSFP+ 10G High Speed Direct Attach Cables

QSFP+ 10G High Speed Direct-attach Cables 3m QSFP+20M CC2P0.254B(S) QSFP-40G-CU3M Used Indoor

View Technical Specs
FusionServer 1288H V7 AI Data Servers

FusionServer 1288H V7 Ai Data Servers Gpu Storage Deepseek Xeon Computer Rack Cloud Center Cpu Short Depth Oem For Sale Server

View Technical Specs
PowerEdge R670 Datacenter Server

PowerEdge R670 Elevate Your Datacenter Efficiencies with Optimized Power and Balanced Performance

View Technical Specs
HPE ProLiant DL380 Gen11 2U Server

New HPE ProLiant DL380Gen11 2U Rack Server with Xeon Processor for Virtualization Cloud Data Center in Used but Stock Condition

View Technical Specs
xFusion 2U Infrastructure Server Rack

New xFusion Infrastructure System 25*2.5 Inch Drive Xeon 4310 9560-8i DIMM 32GB 900W 2288H V6 2U 2-socket Server Rack

View Technical Specs
1288H V5 xFusion AI Servers

New 1288H V5 xFusion Ai Data Servers Gpu Storage Deepseek Xeon Computer Rack Cloud Center Cpu Short Depth Oem For Sale Server

View Technical Specs
2017
Established
9+
Years Industry Experience
128
R&D Engineers
$18M
Annual Export Volume
1,250+
Supply Chain Partners

Executive Summary: The Era of High-Speed Interconnects in AI Computing

In modern hyperscale data centers and artificial intelligence workloads, the processing capability of computing nodes is no longer the sole bottleneck. The limiting factor has shifted towards network throughput and latency mitigation. As computational models like Large Language Models (LLMs) scale to hundreds of billions of parameters, the data interchange requirements between GPU clusters demand highly optimized network interface cards (NICs), SmartNICs, Data Processing Units (DPUs), and high-speed direct-attach cabling assemblies (such as QSFP+ 10G/40G/100G configurations).

China has established itself as the global epicenter for the R&D, manufacturing, and mass assembly of network connectivity interfaces. Manufacturers like NexCore Intelligent Technology Co., Ltd., situated at the core of Shenzhen's tech cluster, bridge the gap between advanced hardware production and high-speed networking integration. By engineering high-speed AI data servers, direct-attach communication modules, and network interface sub-systems, manufacturers ensure that enterprise computing remains stable, compliant, and cost-efficient under workloads like deep neural network training and high-volume transaction processing.

Bandwidth Optimization

Integrating advanced PCIe Gen 5 controller architectures to prevent network interface congestion in complex GPU computing nodes.

Direct Memory Access (RDMA)

Empowering interfaces with RoCE v2 (RDMA over Converged Ethernet) to route packets bypass-mode directly to system memory.

Ultra-Low Latency

Leveraging hardware-level packet filtering and offloading engines to drop latency overhead to sub-microsecond levels.

Global Procurement Demands: Addressing the Hardware Deficit

Enterprise procurement teams across North America, Europe, and the Asia-Pacific region are currently facing significant challenges: demand spikes for AI systems combined with localized supply chain disruptions. In this volatile environment, relying on single-source suppliers presents a systemic risk. Buyers are shifting toward a dual-sourcing model that favors manufacturing partners in high-density industrial hubs like Shenzhen, China, who can offer rapid prototyping, extensive testing regimens, and stable component supply contracts.

Strategic buyers evaluating network cards and server infrastructure factories focus on three fundamental pillars:

1. Interoperability & Open Architecture

Network Interface Cards must feature high compatibility with diverse OEM system architectures, including Dell PowerEdge, xFusion, HPE ProLiant, and customized white-box architectures. Achieving driver compatibility across standard Linux kernels, Windows Server OS, and hypervisors (VMware ESXi, Proxmox) is mandatory to minimize implementation costs.

2. Thermal Performance & Power Density

As high-speed networking adapters scale to 100G, 200G, and 400G speeds, their heat dissipation requirements increase. Quality manufacturers implement thermal simulation testing and deploy advanced passive/active copper cooling mechanisms to prevent throttling and maintain maximum continuous throughput.

NexCore Intelligent Technology Co., Ltd.

Established in 2017 and headquartered in the technology manufacturing hub of Shenzhen, China, NexCore Intelligent Technology Co., Ltd. is a professional AI server manufacturer and integrated solution provider. The company operates a modern, highly specialized production facility covering 386 square meters dedicated to the assembly, configuration, and structural testing of high-performance GPU systems, AI inference machines, HPC servers, and network interface components.

Backed by over 9 years of deep industry expertise and 6 years of international export experience, NexCore has built a strong reputation as an reliable engineering partner. The company achieves an annual export revenue of approximately USD 18 million, servicing high-capacity clients across North America, Europe, Southeast Asia, the Middle East, and Oceania.

Through its dedicated workforce, including 128 experienced engineers specialized in server architecture, GPU optimization, thermal simulation, and AI infrastructure development, NexCore launched 86 new customized products and solutions last year. This rapid design capability ensures the company remains aligned with changing market dynamics and emerging technologies like DeepSeek implementation, AI LLM modeling, and localized storage arrays.

NexCore State-of-the-Art Laboratory and Assembly Area
Figure 1: NexCore's state-of-the-art testing facility and component integration environment in Shenzhen.

Quality Management & Resilient Supply Chain Infrastructure

How NexCore maintains reliable quality and stable output in competitive global markets.

Comprehensive Quality Verification

To guarantee long-term stability and high MTBF (Mean Time Between Failures) ratings, NexCore employs a dedicated team of 46 quality control personnel. Every network card, optical transceiver, direct-attach cable, and server chassis undergoes a strict, multi-stage testing procedure:

  • Component Inspection: Incoming silicon chips, PCBs, and connectors are inspected to verify electrical integrity.
  • System Integration Testing: Simulating real-world server environments to ensure firmware, drivers, and network physical layers communicate with zero data corruption.
  • Thermal Performance Testing: Assessing cooling systems at 40°C ambient temperatures under full utilization to guarantee stable operating ranges.
  • System Burn-In Testing: Stress testing components continuously for up to 72 hours to prevent premature failure.

Unparalleled Supply Chain Depth

NexCore has cultivated direct partnerships with over 1,250 certified supply chain partners. This large supplier network ensures stable access to critical components, including raw PCBs, ASIC controllers, power management ICs, and high-performance connector housings. It allows NexCore to maintain production capacity and stable pricing, even during global component shortages.

NexCore System Integration and Quality Check Area
Figure 2: NexCore's QA burn-in and server verification center, ensuring optimal performance under heavy workloads.

Technical Roadmap: The Evolution of Network Architecture

Deploying high-speed network interfaces to meet the needs of next-generation data centers.

Phase 1: Traditional NIC to SmartNIC

Software Offloading

Moving standard packet inspection, firewall routing, and checksum calculations from host CPUs onto the network controller. This frees up host CPU cycles to run applications instead of processing overhead.

Phase 2: DPU Integration

Infrastructure on a Chip

Deploying programmable Data Processing Units (DPUs) that feature integrated ARM or RISC-V compute cores. This allows developers to run storage virtualization (NVMe-oF) and software-defined network policies directly on the card.

Phase 3: Optical Co-Packaging

Terabit Connections

Adapting next-generation networking systems to use co-packaged optics (CPO) and silicon photonics. This bypasses the physical limitations of traditional copper wiring to achieve data rates exceeding 800Gbps per port.

End-to-End Enterprise Solutions

NexCore does not simply supply standalone hardware; we build comprehensive, production-ready enterprise solutions tailored to the needs of modern hyperscalers, telecom operators, and research institutes. Our product portfolio is built to work seamlessly together, allowing for fast deployment and predictable reliability.

AI Inference & Deep Learning

Optimized GPU nodes paired with low-latency interfaces designed for large-scale distributed AI model training (e.g., DeepSeek, LLMs).

Ideal Hardware: FusionServer 1288H V7 / Dell R750

High-Speed Data Interconnects

Using low-resistance QSFP+ direct-attach copper cables to provide stable, low-latency rack-level routing at up to 40Gbps speeds.

Ideal Hardware: QSFP+ 10G/40G Direct-Attach Cables

Hyperconverged Systems (HCI)

Consolidating compute, storage, and networking interfaces into unified 2U physical architectures for easy deployment and management.

Ideal Hardware: xFusion 2288H V7 / Fusionserver 2488H V6

Flexible Technical Customization & OEM/ODM Services

NexCore recognizes that standard off-the-shelf networking products do not always fit the specialized layouts of modern data centers. Our engineering teams work closely with global buyers to provide flexible customization options that align with specific power budgets and operational requirements:

Chassis Configuration

Custom depth profiles, rack mount alignment designs, and custom ventilation panels.

PCIe Bus Mapping

Optimized routing architecture to maximize lanes between NIC controllers and GPUs.

Firmware Tuning

Pre-flashed operating environments, SR-IOV profiles, and custom BIOS adjustments.

White-Label Branding

Laser-etched metal casings, customized labels, and retail packaging designs.

Technical Q&A: Enterprise Infrastructure Insights

Frequently asked questions by system architects, procurement managers, and data center engineers.

How does RoCE v2 implementation on network cards improve AI cluster training?
RoCE v2 (RDMA over Converged Ethernet) allows network interfaces to transfer packet data directly between GPU/CPU memory spaces without routing it through the operating system's TCP/IP protocol stack. By avoiding intermediate copies, system latency is minimized and CPU utilization is reduced. This allows clusters to handle large AI model parameters with minimal delay.
What is the difference between active and passive Direct-Attach Copper (DAC) cables?
Passive DAC cables, like standard 3-meter QSFP+ units, use direct copper conductors without active boosting circuitry. This makes them highly reliable and energy-efficient for short connections within the same rack. Active DAC cables (ACC) include signal-boosting chips in the connector housings to extend link distances over copper, though they require slightly more power.
Why is PCIe Gen 5 compatibility crucial for high-speed network interfaces?
PCIe Gen 5 offers double the bandwidth of Gen 4, reaching up to 32 GT/s per lane. When running multi-port 100G or 200G interfaces, a PCIe Gen 4 slot can become a bottleneck. PCIe Gen 5 allows network cards to run at full line rates, ensuring the host processor is not delayed waiting for network traffic.
How does NexCore guarantee hardware reliability for international exports?
NexCore implements a multi-step quality assurance framework managed by 46 quality control experts. This process includes component checks, system integration testing, thermal simulation, and a continuous 72-hour burn-in phase. This testing ensures that all exported products comply with international standards like CE, FCC, and RoHS before shipment.

Additional Enterprise Infrastructure & Storage Products

Complete your deployment with our range of high-capacity storage drives, GPU servers, and dual-socket rack mounts.

Dell PowerEdge GPU Server

Hot Selling Dell Poweredge Deepseek Ai R750 R740 Gpu R760 R740xd 671B R250 R730 R630 R650 R640 R740 Server

View Technical Specs
Servers SSD SATA for xFusion Server

Servers SSD SATA 480GB/960GB/1920GB/3840GB SATA 6Gb/s-read-write Hybrid PM897 Series -2.5 Inches Hard Drives for XFusion Server

View Technical Specs
FusionServer 2488H V6 Server

FusionServer 2488H V6 Servers Computer Nas Storage Pc Gpu And Buy Workstations Web Devices Ssd Networks Rack Xeon Server

View Technical Specs
Wholesale Dell PowerEdge R750 R740 Server

Wholesale Shenzhen Dell Poweredge Deepseek Ai R750 R740 Gpu R760 R740xd 671B R250 R730 R630 R650 R640 R350 Server

View Technical Specs
xFusion FusionServer 2488H V6 Rack Server

New xFusion Fusionserver 2488H V6 Computer Servers 25x2.5 Inch Drive 2488H V6 2U 4-socket Rack Server

View Technical Specs
Wholesale Dell PowerEdge R260 1U Server

Wholesale Shenzhen PowerEdge R260 1U Rack Mount 1U Dell Workstation Servers Rack Nas Precision Xeon Server

View Technical Specs
Dell PowerEdge R960 4U Network Server

DEll Poweredge R960 4U Network Server D Ell Server 4U Computer Rack Server R960

View Technical Specs
PowerEdge R760XS Computer Server

PowerEdge R760XS Computer Server 2U 2-socket Rack Server Network Server R760XS

View Technical Specs