Do you provide technical support?

Yes, our engineers can assist with configuration guidance, compatibility check, and after-sales troubleshooting.

Can you ship to my country?

Yes, we export worldwide. We work with DHL, FedEx, UPS, and freight forwarders to ensure safe and fast delivery.

S Throughput Network Switch

Name: High Bandwidth Ndr 400GB/S 51.2tb/S Throughput Network Switch
Brand: Keystone Electronic Co., Ltd
SKU: 2238918865

Guangdong, ChinaKeystone Electronic Co., Ltd

US$20,000.00-21,000.00

1 Piece

Product profile

Communication Mode

Full-Duplex & Half-Duplex

Type

Optical Switch

Transmission Rate

200gbs(Hdr)400gbs(Ndr)

Model NO.

MQM9790-NS2F/NS2R

Ports

Tdp

Approximately 300 - 400W

Redundant Power Supply

Support

Exchange Capacity

51.2tb/S

Forwarding Rate

38.4bpps

Port Configuration

64 Qsfp56/Qsfp112 High-Speed Ports

Technical Specifications

Subnet Manager&Roce

Transport Package

Standard Transport Packaging

Specification

Height: 1U

Trademark

Mellanox

Origin

China

Key features

NDR 400Gb/s Performance: Supports NDR 400Gb/s InfiniBand with backward compatibility for HDR, EDR, and FDR.

High Throughput Capacity: Delivers up to 25.6 Tb/s aggregate throughput and 51.2 Tb/s switching capacity.

Ultra-Low Latency: Features sub-microsecond switching latency ideal for AI and HPC workloads.

64 High-Speed Ports: Equipped with 64 QSFP56/QSFP112 ports for flexible high-speed connectivity.

Redundant Power Supply: Includes dual hot-swappable redundant power supplies for maximum reliability.

Comprehensive Management: Supports Web GUI, CLI, SNMP, API, Ethernet, RS232, and USB interfaces.

Advanced Cooling Design: Offers front-to-rear or rear-to-front airflow options depending on the model.

100% Original Products: All items are factory sealed, brand new, and tested before shipping.

Company profile

High Repeat Buyers ChoiceExperienced TeamIn-stock CapacityQuality Assurance

Keystone Electronic Co., Ltd

Guangdong, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Minor Customization CertifiedExport Year: 5 years CertifiedNearest Port: shenzhen portAverage Response Time: ≤15h CertifiedTerms of Payment: T/T, D/P, LC, etc.

AI-Powered supplier vetting

SummaryKeystone Electronic Co., Ltd is a China-based trading company established in 2020 with 13 employees. Its stated scope covers electronic components, communication equipment, software development, technical services, and supply-chain management. The supplier reports in-stock service capability, a stated off-season lead time within 15 workdays, and 200 qualified service-capability suppliers. However, service and corrective-action procedures lack documented records, complaint handling also lacks written records, and quality traceability is absent. No supplier-management certifications are reported. R&D evidence is limited: one year of R&D engineer experience is stated, with no new product, ODM, OEM-for-popular-brands, or SDK capability reported. Overseas service infrastructure is not available, including overseas warehouses, showrooms, agents, or branches. Financial information is limited to referenced years without performance figures, so credibility cannot be conclusively assessed.

Supplier typeThe supplier is identified as a trading company, specifically Keystone Electronic Co., Ltd, based in Shenzhen, Guangdong, China, with 13 employees and an establishment date of 2020-08-03. Its stated business scope includes electronic components, communication equipment, software development, technical services, and supply-chain management.

CertificationsThe supplier reports no certification of supplier management systems. This is explicit evidence that no such certification is currently reported.

R&D capabilityThe supplier reports total R&D engineer experience of one year and no new products in the past year. It also reports no SDK availability, no ODM service, and no OEM capability for popular brands, indicating limited demonstrated innovation capability.

Customization capabilityThe business scope includes software development, technical services, technology development, consultation, exchange, and transfer. However, the supplier explicitly reports no ODM service and no SDK availability, and no specific customized-product projects or processes are provided.

Product Q&A

Q:Are your products brand new and original?

Yes, we only provide 100% brand new and original Mellanox/NVIDIA products. All items are factory sealed and tested before shipping.

Q:Do you provide warranty?

Yes, all our server components come with a standard 1 year warranty. All servers come with 3 years warranty. If you need extended warranty, please contact us.

Q:Can you provide a quotation for bulk orders?

Absolutely. Please send us the model number and quantity you need, and we will offer you the best price with fast delivery options.

Q:Do you have the items in stock?

We keep a large inventory of popular models (such as H100/H200 GPUs, ConnectX-7 Adapters, Quantum-2 Switches, Mellanox transceivers). Please check with us for the latest stock status.

Q:What payment methods do you accept?

We accept T/T (bank transfer).