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Item #:
198361101
Mellanox ConnectX-4 Lx EN - Network adapter - PCIe 3.0 x8 - 25 Gigabit Ethernet x 2
Item #:
198361101
USD 160
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Imported from UK store
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Order now and get it around Friday, October 30
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ConnectX-4 Lx EN improves network performance by increasing available bandwidth while decreasing associated transport load on the CPU. It also introduces multi-host technology, which reduces CAPEX and OPEX costs without compromising on network performance.
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What Stands Out
High-Speed Connectivity
Supports 25 Gigabit Ethernet, delivering exceptional data transfer rates, ideal for data-intensive applications and reducing latency in high-performance computing environments.
Multi-Port Design
Equipped with two 25GbE ports, this adapter enhances network flexibility, allowing for redundancy and increased bandwidth to optimize network performance.
PCIe Compatibility
Compatible with PCIe 3.0 x8, ensuring easy integration into various systems, offering users an upgrade path while maintaining high throughput and low latency.
Product Details
| Brand Name | Mellanox |
| Unit Count | 2.0 count |
| Global Trade Identification Number | 07290107197861 |
| Manufacturer | INGB9 Music Vendor Code |
| Box Contents | Mellanox network adapter |
| Item Type Name | ConnectX-4 Lx EN Network Adapter |
| Model Number | MCX4121A-ACAT |
| Manufacturer Part Number | MCX4121A-ACAT |
| Item Weight | 82 g |
| Hardware Interface | PCIE x 8 |
| Compatible Devices | Desktop |
| Data Link Protocol | Ethernet, Gigabit Ethernet |
| Data Transfer Rate | 25600 Megabits Per Second |
| Compatible Operating System Family | Linux, Windows |
| Color | Green |
| Brand | Mellanox |
| Colour | Green |
Who Should Buy?
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Data Centers
Ideal for data center environments requiring high-speed, low-latency Ethernet connectivity for servers and storage systems.
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Enterprise Networks
Perfect for enterprises needing reliable, high-performance networking solutions for demanding applications and large data transfers.
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Virtualization Hosts
Greatly benefits virtualization hosts needing efficient and fast network connectivity to support multiple virtual machines.
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Home Users
Not suitable for typical home users who require standard networking capabilities without advanced features and high costs.
Product Description
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Mellanox MCX4121A-ACAT Editorial Review
Mellanox ConnectX-4 Lx EN - Network Adapter - PCIe 3.0 X8 - 25 Gigabit Ethernet X 2 is designed for high-performance networking, making it ideal for desktop applications. This network adapter delivers an impressive data transfer rate of 25600 Megabits Per Second, ensuring speedy and efficient data handling. With compatibility across both Linux and Windows operating systems, it supports a variety of users. Many users appreciate the easy installation and robust performance, which allows for seamless connectivity and enhanced productivity. Additionally, the sleek green design adds an aesthetic touch to your setup.
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Pros
- High data transfer rate of 25600 Mbps
- Supports both Linux and Windows systems
- Compatible with desktop devices
- Easy installation process
- Compact and lightweight design
Cons
- Requires PCIe x8 slot for installation
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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USD 160
Order now and get it around Friday, October 30
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Significant throughput and latency improvements.
- Increases available bandwidth while decreasing transport load on the CPU.
- Introduces multi-host technology for maximum CAPEX and OPEX savings.
- Smart interconnect for various compute and storage platforms.
- Industry-leading performance for web access and storage.
- Cutting-edge virtualized overlay network performance.
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