MCX314A-BCBT Mellanox Technologies ConnectX-3 Internal Ethernet
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ConnectX-3
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MCX314A-BCBT Overview
Product Details: MELLANOX MCX314A-BCBT Connectx-3 Dual Port Qdr 40gbe Qsfp Network Interface Card
Dual 40GbE QSFP, PCIe Base 3.0
- Wired
- PCI Express Ethernet
- Internal
Summary Description
Mellanox Technologies ConnectX-3. Internal. Connectivity technology: Wired, Host interface: PCI Express, Interface: Ethernet. Product colour: Green
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Mellanox Technologies |
| Stock | In Stock |
Ports & interfaces
| Connectivity technology | Wired |
|---|---|
| Host interface | PCI Express |
| Interface | Ethernet |
| Compatible memory cards | Not supported |
Network
| Networking standards | IEEE 802.3, IEEE 802.3ae, IEEE 802.3az |
|---|---|
| Ethernet LAN | Y |
| Copper ethernet cabling technology | 1000BASE-T, 100BASE-TX, 10BASE-T |
| Wi-Fi | N |
| Jumbo frames support | Y |
Design
| Product colour | Green |
|---|---|
| Internal | Y |
System requirements
| Windows operating systems supported | Y |
|---|---|
| Linux operating systems supported | Y |
Sustainability
| Sustainability certificates | RoHS |
|---|
Weight & dimensions
| Width | 142 mm |
|---|---|
| Depth | 69 mm |
Other features
| Data transfer rate | 40 Gbit/s |
|---|---|
| Connector(s) | 2 x QSFP |
| Wireless connection | N |
| Number of VLANs | 128 |
Frequently Asked Questions (FAQs)
What are the primary interface specifications for the Mellanox ConnectX-3 MCX314A-BCBT? +
The MCX314A-BCBT is a high-performance dual-port 40GbE server adapter. It utilizes a PCIe 3.0 x8 host interface, ensuring high throughput and low latency for data-intensive applications. It is designed to support QSFP+ physical connectivity, making it an ideal choice for high-speed data center networking and cloud computing environments that require reliable 40GbE performance.
Does the MCX314A-BCBT support virtualization technologies like SR-IOV? +
Yes, this card fully supports Single Root I/O Virtualization (SR-IOV). By allowing virtual machines to access the physical hardware directly, it significantly reduces CPU overhead and improves I/O performance in virtualized environments. This makes the ConnectX-3 an excellent candidate for deployments running VMware, KVM, or Hyper-V, where efficient resource sharing is critical for server consolidation.
What is the typical use case for a dual-port 40GbE ConnectX-3 NIC? +
This NIC is specifically engineered for bandwidth-heavy workloads such as High-Performance Computing (HPC), database management, and large-scale storage arrays. With its dual 40GbE ports, it provides the necessary redundancy and massive throughput required to prevent network bottlenecks in enterprise server clusters, facilitating rapid data transfer speeds across distributed systems.
Is the Mellanox MCX314A-BCBT compatible with standard PCIe slots? +
The MCX314A-BCBT is designed for standard PCIe 3.0 x8 slots. It is also backward compatible with PCIe 2.0 and PCIe 1.1 architectures, though utilizing older generations will limit the maximum bandwidth available to the card. Ensure your server chassis has an available full-height or low-profile slot, depending on the bracket configuration you require for your specific server model.
How does the MCX314A-BCBT handle offloading tasks? +
This adapter features hardware-based offloading engines for TCP/UDP/IP and iSCSI protocols. By offloading complex packet processing and data integrity tasks from the server CPU to the network card, it helps maintain lower latency and frees up processor cycles. This architectural advantage is essential for maintaining consistent application performance during periods of high network congestion.
Can I use the MCX314A-BCBT for RoCE (RDMA over Converged Ethernet) deployments? +
Yes, the ConnectX-3 family is well-known for its robust support for RDMA over Converged Ethernet. Enabling RoCE allows for direct memory access between servers without involving the operating system or CPU. This functionality significantly minimizes latency for storage area networks and cluster communications, providing a performance boost that is critical for real-time data processing.
What management features are available for this Mellanox NIC? +
The card supports standard Mellanox management tools, allowing administrators to monitor port status, configure offload parameters, and update firmware efficiently. Integration with industry-standard network management software is facilitated through standard drivers, ensuring that the adapter can be easily provisioned and maintained within large, heterogeneous server environments without requiring proprietary, single-vendor management platforms.
What operating systems are supported by the MCX314A-BCBT? +
The MCX314A-BCBT enjoys broad driver support across major enterprise operating systems, including various distributions of Linux, Windows Server, and leading hypervisors. Mellanox provides mature driver stacks that ensure optimal hardware utilization. We recommend checking the official Mellanox driver matrix for your specific kernel or OS version to ensure complete feature parity and optimal system stability.
How can I obtain a formal bulk quote for multiple MCX314A-BCBT units? +
To receive a competitive quote for volume orders of the Mellanox ConnectX-3, simply reach out to our dedicated sales team at BuyRouterSwitch.com. We specialize in assisting procurement departments and IT managers with large-scale projects. Providing us with your specific quantity requirements allows us to offer you the best possible pricing and logistics planning for your enterprise infrastructure upgrade.
Why should I choose BuyRouterSwitch.com for my networking hardware needs? +
BuyRouterSwitch.com is a trusted partner for enterprise-grade hardware, offering a streamlined path to sourcing genuine networking components like the Mellanox MCX314A-BCBT. We prioritize providing authentic, high-quality products directly to IT professionals, ensuring your server environment remains stable and secure. Our team is committed to simplifying your supply chain by providing expert technical assistance and efficient processing for every order placed through our site.
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