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Small green circuit board with FireWire port and ribbon connector

DELL

DELL Studio XPS 1640 1645 FireWire 1394 IO Board P644G

SKU CH-PA83-SF9KK

Genuine Dell FireWire 1394 IO daughter board for Studio XPS 1640 and 1645 laptops, part P644G

  • ProcessorLaptop-computer-replacement-parts
  • Genuine Dell OEM replacement part ensures exact fit
  • Restores FireWire 1394 connectivity on compatible laptops
  • Fits Studio XPS 1640 and 1645 models directly
  • Dell part number P644G matches service manual specs
  • Ready to install as a direct motherboard daughter board

Replacement FireWire daughter board

This is a genuine Dell OEM 1394 FireWire IO circuit board for the Studio XPS 1640 and 1645 laptops. The part number is P644G. It restores the IEEE 1394 port when the original jack or daughter board has failed. The item is new and matches the pictured component exactly.

Suitable for port repair, not for upgrades

Technicians repairing a broken FireWire connection on the listed Dell models will find this direct-fit replacement. Users whose laptops lack the internal connector for this daughter board cannot install it. Buyers needing additional ports or a different interface should look at alternative solutions.

Dell part number P644G confirms fit

The P644G marking is the single specification that verifies compatibility with Studio XPS 1640 and 1645 motherboards. Match this number against the original board or service manual before ordering. Screws are not included with the replacement part.

How it compares

Measured against everything we stock in Motherboard Add-On Parts, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 97% of the 242 comparable items (median $50.49).

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Specifications

Product
Brand nameDELL
Processor
ProcessorLaptop-computer-replacement-parts

Questions about this item

Should I choose this board for a Studio XPS 1640 or 1645?

This part number P644G is listed for both the Studio XPS 1640 and 1645, so it fits either model.

What does the FireWire 1394 label mean for actual transfer speed?

The board provides a 1394 FireWire jack; real-world throughput depends on the connected device and cable quality.

Does the 1394 interface limit what peripherals I can attach?

It accepts standard FireWire 1394 devices such as external drives, cameras or audio interfaces.

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