# Network Card Mellanox Technologies MCX512A-ACAT

**URL:** https://aio.lv/en/product--mellanox-mcx512a-acat--3199766
**Data updated:** 2025-12-29 10:48 (EET)
**Category:** Network Cards
**Manufacturer:** MELLANOX
**Manufacturer code:** MCX512A-ACAT
**EAN:** 7290108480542
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 424.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 350.82 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mellanox-mcx512a-acat--3199766

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Mellanox Technologies MCX512A-ACAT is a high-performance internal network card designed for wired connectivity. It features a PCI Express host interface and supports fiber connections with a maximum data transfer rate of 25000 Mbit/s. Ideal for data centers and high-speed networking applications, this card ensures reliable and efficient data transmission.

## Long description

The Mellanox Technologies MCX512A-ACAT is an intelligent RDMA-enabled network adapter designed for high-performance wired connectivity in data centers and advanced compute environments. It features ConnectX-5 architecture with PCI Express host interface and supports dual 100Gb Ethernet ports, offering very low sub-600ns latency and high message rates for demanding workloads such as machine learning, data analytics, cloud and storage platforms.
Advantages
This network card provides advanced application offload capabilities including PCIe switch offloads and NVMe over Fabrics support, enabling reduced CPU overhead and improved I/O performance. With dual 100GbE ports and optimized RDMA, the MCX512A-ACAT delivers high throughput, low latency networking and flexible deployment options for high-performance computing and Web2.0 environments.
Suitable for
 High-Performance Computing (HPC) clusters
 Machine learning and data analytics workloads
 Cloud infrastructure and Web2.0 services
 Storage platforms using NVMe over Fabrics
 Data center cores and aggregation layers
Key specifications
 Brand: MELLANOX
 Model / MPN: MCX512A-ACAT
 Interface: PCI Express (host interface)
 Network: Dual 100Gb Ethernet ports (ConnectX-5)
 Latency: sub-600 ns
 Supported offloads: RDMA, NVMe over Fabrics, PCIe switch offloads
 Max reported fiber transfer rate (context): 25000 Mbit/s (product data)
 EAN: 7290108480542
How to use
Install the MCX512A-ACAT into an available PCIe slot on a compatible server following the server and card manufacturer installation instructions. Connect the dual 100GbE fiber ports to the network using appropriate optics and cables. Configure the host operating system drivers and RDMA/NVMe over Fabrics software stack as required for your environment, and verify link status and firmware compatibility before production deployment.
Usage recommendations
Use certified optics and cables matched to the card's dual 100GbE ports, keep firmware and drivers up to date, and validate RDMA and NVMe over Fabrics configurations in a staged environment to ensure optimal performance and compatibility with your data center infrastructure.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Interface | Fiber |
| Host interface | PCI Express |
| Internal | Yes |
| Fiber ports quantity | 2 |
| Fiber optic connector | SFP, SFP+, SFP28 |

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 25000 Mbit/s |

## FAQ

### How much does the Network Card Mellanox Technologies MCX512A-ACAT cost, and is it available for purchase?

The price is 424.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All MELLANOX products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MELLANOX service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, maximum data transfer rate, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3199766/64205070_large.webp