Dell Precision 7720 7710 USB HDMI Type-C Board LS-E321P CN-081T6H
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$89.70
Sale price
$89.70
Regular price
$111.00
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Dell Precision 7720 7710 USB HDMI Type-C Board LS-E321P CN-081T6H
$89.70
Sale price
$89.70
Regular price
$111.00
Dell Precision 7720 & 7710 USB / HDMI / Type-C I/O Board – LS-E321P (CN-081T6H)
Keep your Dell Precision workstation running at its best with this genuine replacement I/O board. The LS-E321P (Part No. CN-081T6H / 081T6H) is a direct-fit, OEM-compatible board designed specifically for the Dell Precision 7720 and 7710 series laptops. It restores full functionality to your USB ports, HDMI output, and USB Type-C connector in one straightforward swap.
Key Features
- Exact Compatibility: Engineered for Dell Precision 7720 and 7710 laptops — plug-and-play replacement, no modifications needed.
- Multiple Connectivity Ports: Restores USB-A, full-size HDMI, and USB Type-C port functionality in a single board.
- OEM Part Numbers: LS-E321P / CN-081T6H / 081T6H — match your existing board before ordering.
- Original & Tested: Each unit is inspected and verified for proper function before shipping.
- Shipped Without BIOS Battery: To comply with safe shipping regulations, the BIOS battery is removed prior to dispatch. This is standard practice for air-shipped electronics and does not affect board functionality.
Specifications
| Part Number | LS-E321P |
| OEM Reference | CN-081T6H / 081T6H |
| Compatible Models | Dell Precision 7720, Dell Precision 7710 |
| Connector Types | USB-A, HDMI, USB Type-C |
| Condition | Original, Tested |
Installation Tips
- Power down your Dell Precision laptop completely and disconnect the main battery.
- Remove the bottom panel following Dell's service manual for your model.
- Disconnect the existing I/O board ribbon and port cables carefully.
- Seat the new LS-E321P board, reconnect all cables, and reassemble.
- Power on and verify all ports are recognized by the operating system.
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Frequently Asked Questions
Q: Which Dell laptop models is the LS-E321P CN-081T6H I/O board compatible with?
A: This board is specifically designed for the Dell Precision 7720 and Dell Precision 7710 laptop series. Always verify your existing board's part number (CN-081T6H / 081T6H / LS-E321P) against your laptop's service tag or existing board label before purchasing to ensure a perfect fit.
Q: Why does the board arrive without a BIOS battery?
A: To comply with international air-freight safety regulations, all charged components — including BIOS batteries — are removed prior to shipment. This is standard industry practice and does not affect the board's performance. Your laptop's existing BIOS battery or a new CR2032 coin cell can be installed upon fitting the board.
Q: Is this an original OEM part or an aftermarket replacement?
A: This is an original OEM board pulled from a Dell Precision unit and fully tested for functionality. The part numbers LS-E321P, CN-081T6H, and 081T6H match the factory specification for the Dell Precision 7720 and 7710 models.
Q: What ports does this I/O board provide?
A: The LS-E321P board restores USB-A, full-size HDMI, and USB Type-C port functionality to your Dell Precision 7720 or 7710. It is a direct replacement for a faulty or damaged I/O board on these specific models.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.