Your Trusted Partner in Enterprise Network Hardware
东莞云其麦信息科技有限公司 (Dongguan Yunqimai Information Technology Co. Ltd) (Trading as Zhongxin Data) is a retail and wholesale supplier of used enterprise-grade network interface cards, server switches, RAID controllers, and data center connectivity solutions.
What We Do
We specialize in sourcing, testing, and wholesaling second-hand enterprise IT hardware to datacenters, system integrators, IT resellers, and enterprise procurement teams worldwide. All products are rigorously tested before shipment to ensure full functionality and reliability.
What We Offer
- Mellanox ConnectX series network adapters (10GbE to 100GbE)
- Enterprise data center switches
- Broadcom MegaRAID RAID controllers and HBA cards, server processors, memory and chassis
- InfiniBand adapters for HPC and AI/ML workloads
Quality Commitment
Every product undergoes rigorous functional testing before shipment. We are committed to providing reliable, tested enterprise hardware with a 90-day warranty from delivery. Every unit ships with the commercial invoice, packing list, and export paperwork for your order, plus the functional test record for the unit you receive on request.
Why Choose Us
- Specialist in used enterprise hardware — pricing for single units and volume orders
- Rigorous testing protocols for every unit
- Volume pricing available from 10+ units
- Global shipping with professional logistics partners
Company Address
广东省东莞市南城街道白马梅园路五巷3号212室
No. 3, Lane 5, Baima Meiyuan Road, Nancheng Street, Dongguan, Guangdong, China
What we do
- We source, test and wholesale used enterprise IT hardware for datacenters, system integrators, IT resellers and enterprise procurement teams
- Every unit is cleaned, re-flashed and bench-tested on our own test line before shipment
- We are a retailer and wholesaler on the secondary market — we do not build hardware
What we supply
- Mellanox ConnectX series network adapters from 10GbE to 100GbE and beyond
- Enterprise data center switches, including Mellanox and NVIDIA Spectrum models
- Broadcom MegaRAID RAID controllers and HBA cards, server processors, memory and chassis
How we work
- Pricing is quoted per part number and availability is confirmed per model
- A 90-day functional warranty from delivery applies to every unit
- Worldwide shipping from Hong Kong, China with export documents included
Related reading
- RAID controllers — the largest category we supply
- Network adapters — the second largest category
- Network switches — the third largest category
- Contact and quotes — the enquiry path
Frequently Asked Questions
What is Zhongxin Data?
Dongguan Yunqimai Information Technology Co. Ltd, trading as Zhongxin Data, is a retail and wholesale supplier of used enterprise-grade network interface cards, server switches, RAID controllers and data center connectivity solutions. We work on the secondary market and we do not build hardware.
Who do you supply?
Datacenters, system integrators, IT resellers and enterprise procurement teams worldwide, from single units to batch orders. Send the part number and quantity and we will confirm what we can allocate, with the condition of each unit stated in the quote.
How do you test the hardware?
Every unit is cleaned, re-flashed and bench-tested on our own in-house test line before shipment. We confirm the part number, the firmware level and the test result per unit, and the bench-test notes are available with the quote.
What warranty do you provide?
A 90-day functional warranty from delivery on every unit. The warranty policy page sets out what is covered, what is excluded and the return process.
Do you ship worldwide?
Yes. We ship worldwide from Hong Kong, China with export documents included. The shipping policy page lists the carriers, the transit times and how bulk freight is quoted.