Network card MERCUSYS MA49BE Tri‑Band WiFi7 PCIe adapter BE9300

The MERCUSYS MA49BE Tri‑Band WiFi7 PCIe adapter BE9300 is an internal PCI Express network card for desktop systems that provides Wi‑Fi 7 wireless connectivity and Bluetooth 5.4. Designed for systems with a PCIe x1 slot, the adapter supports simultaneous operation on 6 GHz, 5 GHz and 2.4 GHz bands and integrates external high‑gain antennas on a magnetic base plus a passive heatsink for stable thermal behavior. The card targets high‑throughput use cases such as large file transfers, streamed media and low‑latency online applications when used with a compatible Windows 11 (64‑bit) environment.

Advantages

The MA49BE offers multi‑band Wi‑Fi 7 performance with theoretical peak speeds up to 5760 Mbps on 6 GHz, 2880 Mbps on 5 GHz and 574 Mbps on 2.4 GHz, supporting 320 MHz channel width and Wi‑Fi 7 features such as MLO (Multi‑Link Operation), 4K‑QAM and MU‑MIMO. Integrated Bluetooth 5.4 enables wireless peripherals with improved throughput and reduced latency. Security options include WPA3 along with legacy WPA/WPA2 support. The adapter comes with a low‑profile bracket, antenna extension cable and installation media, and is engineered for desktop installations with passive cooling to maintain reliable operation under typical office and home conditions.

Suitable for

• High‑speed home and small office networks requiring Wi‑Fi 7 throughput
• Desktop gaming rigs and VR setups that benefit from reduced wireless latency
• HD and 4K streaming, video conferencing and large file transfers
• Connecting Bluetooth peripherals such as headsets, keyboards and mice

Key specifications

• Wireless standard: Wi‑Fi 7 (IEEE 802.11be) with backward compatibility (ax/ac/n/a/b/g)
• Frequency bands: 6 GHz, 5 GHz and 2.4 GHz (tri‑band)
• Maximum data rates: up to 5760 Mbps (6 GHz), up to 2880 Mbps (5 GHz), up to 574 Mbps (2.4 GHz)
• Channel width: up to 320 MHz on 6 GHz
• Advanced features: MLO (Multi‑Link Operation), 4K‑QAM, Multi‑RU, MU‑MIMO
• Bluetooth: Version 5.4
• Interface: PCI Express x1
• Antennas: 2 external high‑gain antennas with magnetic base and extension cable
• Cooling: Passive heatsink on the card
• Operating temperature: 0 °C to 40 °C; humidity: 10%–90% RH (non‑condensing)

How to use

Install the MA49BE into an available PCIe x1 slot on a compatible desktop motherboard and secure the card using the supplied bracket. Position the magnetic antenna base in an optimal location and connect the external antennas. Install drivers from the included media or download the latest drivers from the manufacturer’s website; full Wi‑Fi 7 functionality requires Windows 11 (64‑bit). After driver installation, pair Bluetooth devices using standard Windows Bluetooth settings and configure wireless network connections through the operating system’s network manager.

Usage recommendations

For best wireless performance, place the magnetic antenna base centrally and elevated relative to the desktop chassis, avoid large metallic obstructions between the adapter and access point, and use the 6 GHz band when available for the highest throughput and lowest latency. Keep system drivers and firmware up to date and ensure the host system meets Windows 11 (64‑bit) requirements to access the full set of Wi‑Fi 7 features.