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Small green M.2 wireless card with gold edge connector and black antenna sockets

DELL

DELL MT7921 Wi-Fi 6 Bluetooth 5.2 M.2 Card R5DHJ

SKU CH-N130-7FZTF

Dual-band Wi-Fi 6 and Bluetooth 5.2 M.2 card for compatible Dell laptops and desktops

  • Genuine Dell OEM part ensures exact fit
  • Wi-Fi 6 delivers up to 2.4 Gbps throughput
  • Bluetooth 5.2 enables modern peripheral pairing
  • Dual-band 2.4 GHz and 5 GHz operation
  • M.2 form factor installs in listed Dell systems

Genuine Dell OEM Wi-Fi 6 card for listed laptops

This is a genuine Dell OEM wireless adapter carrying part number R5DHJ. It combines Wi-Fi 6 and Bluetooth 5.2 on a single M.2 form-factor card. The part is validated for specific Alienware, Inspiron, Latitude, Vostro and G-Series models including the 14, 15, 16, 17, 24, 3425, 3445, 3525, 3710, 3910, 5415, 5425, 5430, 5435, 5525, 5530, 5535, 5625, 5635, 7425, 7435 and 7635 series. Buyers whose Dell system is not on this compatibility list cannot use this card.

Dual-band 2.4 GHz and 5 GHz with 2.4 Gbps peak rate

The MediaTek MT7921 chipset delivers Wi-Fi 6 (802.11ax) across both 2.4 GHz and 5 GHz bands with a maximum link speed of 2.4 Gbps. This single figure determines whether the adapter matches the throughput needs of the target device. No other Wi-Fi standard or band is supported by this module.

Sustained throughput on both bands

Under continuous load the card maintains Wi-Fi 6 operation on the selected band while simultaneously running Bluetooth 5.2 for peripherals. The dual-radio design handles concurrent traffic without disabling either interface, so extended file transfers and wireless accessories remain active together. Thermal throttling behaviour follows the host laptop's M.2 slot cooling.

Highlights

  • Genuine Dell OEM part ensures exact fit
  • Wi-Fi 6 delivers up to 2.4 Gbps throughput
  • Bluetooth 5.2 enables modern peripheral pairing
  • Dual-band 2.4 GHz and 5 GHz operation
  • M.2 form factor installs in listed Dell systems

Specifications

BrandDell

Questions about this item

What does the 2.4 Gbps maximum speed mean for everyday use?

The 2.4 Gbps figure is the theoretical peak under Wi-Fi 6 on the 5 GHz band; actual throughput will be lower and depends on router capability, channel width and signal quality.

How does the M.2 interface limit what this card can do?

The M.2 form factor provides the PCIe and USB lanes required for Wi-Fi 6 and Bluetooth 5.2; performance is capped by the MediaTek MT7921 controller, not the slot itself.

Will this card physically fit my Dell laptop's M.2 slot?

It fits the standard M.2 2230 key-E slot used in listed models such as the Inspiron 16 5625, Latitude 5430 and Alienware m15 R7 AMD; verify your service manual for exact keying.

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