Mellanox Technologies MCX512F-ACAT network card Internal Fiber 25000 Mbit/s
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MCX512F-ACAT
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MCX512F-ACAT Overview
MELLANOX MCX512F-ACAT Connectx-5 25gbe Dual-port Sfp28 Pci En Network Interface Card
25GbE, PCIe3.0 x16, SFP28/SFP+/SFP
- Wired
- PCI Express 3.0 Fiber
- 10 Gigabit Ethernet, 25 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet, Gigabit Ethernet 25000 Mbit/s
- Internal Component for: Server
Summary Description
Mellanox Technologies MCX512F-ACAT. Internal. Connectivity technology: Wired, Host interface: PCI Express, Interface: Fiber. Maximum data transfer rate: 25000 Mbit/s. Product colour: Green, Metallic
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Mellanox |
| Stock | In Stock |
Ports & interfaces
| Connectivity technology | Wired |
|---|---|
| Host interface | PCI Express |
| Interface | Fiber |
| Fiber optic connector | SFP, SFP+, SFP28 |
| PCI version | 3.0 |
Network
| Maximum data transfer rate | 25000 Mbit/s |
|---|---|
| Networking standards | IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3az |
| Ethernet LAN | Yes |
| Ethernet interface type | 10 Gigabit Ethernet, 25 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet, Gigabit Ethernet |
| Ethernet LAN data rates | 1000,10000,25000,40000,100000 Mbit/s |
Design
| Component for | Server |
|---|---|
| Product colour | Green, Metallic |
| Internal | Yes |
Resources
Documents
Frequently Asked Questions
What are the primary performance specifications for the Mellanox ConnectX-5 MCX512F-ACAT? +
The MCX512F-ACAT is a high-performance 25GbE dual-port adapter designed for data centers. It utilizes a PCIe 3.0/4.0 x8 interface to provide low-latency connectivity and high throughput, making it ideal for compute-intensive applications, virtualization, and software-defined storage environments that require efficient data transfer and reduced CPU overhead.
Does the MCX512F-ACAT support RDMA over Converged Ethernet? +
Yes, this adapter fully supports RoCE (RDMA over Converged Ethernet). By offloading the transport layer from the CPU to the hardware, it significantly reduces latency and improves application performance, which is critical for high-frequency trading, database management, and large-scale parallel computing tasks in modern enterprise network infrastructures.
What type of optical transceivers or cables are compatible with this Mellanox NIC? +
This model features two SFP28 ports. These ports are versatile, supporting 25GbE SFP28 transceivers, active optical cables (AOC), or direct attach copper (DAC) cables. It is recommended to use validated Mellanox or standard-compliant SFP28 modules to ensure link stability and optimal signal integrity across your fiber or copper cabling infrastructure.
How does the MCX512F-ACAT impact server CPU utilization? +
Equipped with Mellanox's advanced hardware offload engines, this NIC manages packet processing, NVMe over Fabrics (NVMe-oF), and storage acceleration tasks independently. This drastically reduces the CPU burden, allowing more server resources to be dedicated to running your core business applications and virtual machines rather than managing networking overhead.
Is this adapter compatible with major server virtualization platforms? +
The ConnectX-5 MCX512F-ACAT is highly compatible with leading virtualization hypervisors, including VMware ESXi, Microsoft Hyper-V, and KVM. It supports SR-IOV (Single Root I/O Virtualization), which allows multiple virtual machines to share a single physical PCIe device while maintaining near-native performance for each virtualized instance.
What are the common deployment scenarios for this 25GbE network card? +
This NIC is standard for high-performance computing (HPC) clusters, cloud data centers, and enterprise storage arrays. Its ability to handle massive data throughput with low latency makes it a staple for deployment in environments utilizing high-speed Ethernet fabrics, especially where predictable performance is required for NVMe storage access and real-time data analytics.
How is the MCX512F-ACAT managed within an enterprise network? +
Management is handled through standard OS-level drivers and the Mellanox Firmware Tools (MFT). These utilities allow administrators to perform firmware updates, configure port settings, and monitor link status directly from the host operating system. The card integrates seamlessly with standard Linux and Windows networking management stacks for simplified orchestration and provisioning.
Does the MCX512F-ACAT support network interface bonding or teaming? +
Yes, this card supports various bonding modes and link aggregation techniques through the host operating system. By teaming the two 25GbE ports, administrators can implement redundancy for failover protection or increase aggregate bandwidth for high-traffic server nodes, ensuring consistent network availability even if a single cable or switch port fails.
How can I obtain a bulk quote for multiple MCX512F-ACAT units? +
If you are planning a large-scale hardware refresh or infrastructure expansion, our team at BuyRouterSwitch.com can assist you with bulk pricing. Please contact our sales department through our website to discuss your project requirements and receive a competitive quotation tailored to your specific volume needs and procurement timelines.
Why should I choose BuyRouterSwitch.com for my networking hardware needs? +
BuyRouterSwitch.com is a trusted source for genuine enterprise networking equipment. We prioritize a seamless procurement experience, ensuring that every product, including the Mellanox MCX512F-ACAT, is sourced through reliable channels. When you order from us, you benefit from our industry expertise and our commitment to maintaining a secure, efficient, and professional buying process for all your data center components.
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