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.

Redundant Power Supply Hot-Swap PSU 1u Standard Rack Network Switch

Name: Redundant Power Supply Hot-Swap PSU 1u Standard Rack Network Switch
Brand: Keystone Electronic Co., Ltd
SKU: 2231523015

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

Tdp

Approximately 300 - 400W

Model NO.

MQM9790-NS2F/NS2R

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: 64 ports delivering up to 25.6 Tb/s aggregate throughput with sub-microsecond latency.

Redundant Power Supply: Dual hot-swappable redundant PSUs ensure high reliability and continuous operation.

Versatile Management: Supports Web-based GUI, CLI, SNMP, and API for flexible network management.

Broad Compatibility: NDR 400Gb/s ports are backward compatible with HDR, EDR, and FDR standards.

Optimized for AI/HPC: Ideal for AI training clusters, HPC, and hyperscale cloud data center infrastructures.

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

Global Shipping: Worldwide export via DHL, FedEx, UPS, and freight forwarders for safe delivery.

Technical Support: Engineers provide configuration guidance, compatibility checks, and troubleshooting.

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: ≤18h 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).