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Small green circuit board with gold edge connector and two antenna sockets

DELL

DELL DW1540 3676J Wi-Fi adapter 300Mbps Mini PCIe

SKU CH-2MT3-X4CTM MPN DW1540

Half Mini PCIe Wi-Fi card delivering 300 Mbps for compatible Dell Latitude, Precision, Inspiron and Studio laptops

  • TypeM.2 Wi-FI Adapter
  • Up to 300 Mbps wireless throughput for everyday tasks
  • Half Mini PCI Express form factor fits compatible Dell slots
  • OEM DW1540 3676J module matches original factory specification
  • Broadcom BCM943228HM4L chipset drives reliable connectivity
  • Validated for Latitude, Precision and Inspiron models listed

Half Mini PCIe Wi-Fi card for Dell laptops

The DW1540 3676J is an OEM half Mini PCI Express wireless adapter designed for specific Dell Latitude, Precision and Inspiron models. It provides a 300Mbps maximum downstream data rate using the BCM943228HM4L module. The card installs directly into a compatible half Mini PCIe slot.

Suits owners of listed Dell models needing

This adapter fits the Latitude XT3, E5530, E6330, E6230, E5430, E6530, E6430, E6430s, 6430u, ATG E6430, Precision M4700, M6700 and Inspiron 1110, 1320, 1370, 1440, 1450, 1457, 1458, 1555. It is not for laptops that lack a half Mini PCIe WLAN slot or require a different antenna configuration.

300Mbps maximum downstream rate over half Mini PCIe

The single specification that decides fit is the 300Mbps downstream data rate delivered through a half Mini PCI Express interface. Verify your service manual lists the DW1540 or 3676J part number before ordering.

Highlights

  • Up to 300 Mbps wireless throughput for everyday tasks
  • Half Mini PCI Express form factor fits compatible Dell slots
  • OEM DW1540 3676J module matches original factory specification
  • Broadcom BCM943228HM4L chipset drives reliable connectivity
  • Validated for Latitude, Precision and Inspiron models listed

Specifications

TypeM.2 Wi-FI Adapter

Questions about this item

Does the DW1540 3676J Mini PCIe card have any user-replaceable antennas or cables that wear out over time?

The adapter itself has no moving parts or user-replaceable antennas; only the laptop's internal antenna cables connect to it, so no maintenance is required on the card.

Will the 300Mbps maximum data rate become the bottleneck during sustained heavy transfers on this DW1540?

Yes, the 300Mbps downstream ceiling is the first limit you will hit during continuous high-throughput use on this adapter.

How much heat or noise does the DW1540 3676J produce when running all day in a Latitude E6430?

The card is passively cooled and silent; it draws minimal power and adds negligible heat to the laptop's existing thermal load.

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