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Green rectangular M.2 wireless card with gold edge connector and black component side

DELL

DELL Inspiron 15-3521 Wi-Fi adapter AR5B225 FXP0D

SKU CH-EAZS-SPH62

A genuine Dell half-height Mini-PCIe card adding 802.11 b/g/n Wi-Fi and Bluetooth 4.0 to compatible Inspiron, Vostro and XPS models

  • TypeM.2 Wi-FI Adapter
  • Dual-band 802.11 a/g/n Wi-Fi with Bluetooth 4.0
  • Atheros AR9485 chipset for stable wireless performance
  • Half-height Mini-PCIe form factor fits compatible Dell laptops
  • Genuine Dell part FXP0D ensures exact fit and function
  • Supports Inspiron 15-3521, Vostro 470 and XPS 8500 models

Genuine Dell Inspiron 15-3521 Wi-Fi card

This is a genuine Dell wireless adapter pulled from the Inspiron 15-3521 chassis. It uses the Atheros AR9485 chipset and delivers 802.11 a/g/n Wi-Fi plus Bluetooth 4.0 in a half-height Mini-PCIe form factor. The card suits owners of compatible Dell laptops needing a direct replacement for a failed or missing module.

Half-height Mini-PCIe limits upgrade scope

The half-height Mini-PCIe interface restricts installation to laptops with a matching slot and antenna wiring. Bluetooth 4.0 caps peripheral throughput at the specification maximum. The 802.11 a/g/n standard tops out well below modern ax or ac speeds, so the card cannot exploit newer router capabilities. Buyers who want more bandwidth or current Wi-Fi generations must select a different adapter family.

Replaces DW1703 FXP0D in listed Dell models

This FXP0D card replaces the Dell DW1703 module in the Inspiron 15-3521, Vostro 470 and XPS 8500 when the original part fails. The jump is worth it only if the slot, antenna count and BIOS whitelist match the original specification. Builders who need a second card for a non-Dell platform or a newer Wi-Fi standard should look elsewhere.

Highlights

  • Dual-band 802.11 a/g/n Wi-Fi with Bluetooth 4.0
  • Atheros AR9485 chipset for stable wireless performance
  • Half-height Mini-PCIe form factor fits compatible Dell laptops
  • Genuine Dell part FXP0D ensures exact fit and function
  • Supports Inspiron 15-3521, Vostro 470 and XPS 8500 models

Specifications

TypeM.2 Wi-FI Adapter

Questions about this item

Which version of the AR5B225 card fits the Inspiron 15-3521?

The FXP0D part number matches the Dell Wireless DW1703 card listed for the Inspiron 15-3521 and Vostro 470.

What does the 802.11 a/g/n rating deliver in daily use?

The Atheros AR9485 chipset supports 802.11 a/g/n Wi-Fi plus Bluetooth 4.0 on this half-height Mini-PCI Express card.

What interface does the M.2 adapter use and what speed does it cap at?

This card installs in a half-height Mini-PCI Express slot and runs at 802.11 a/g/n Wi-Fi speeds with Bluetooth 4.0.

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