DockSelector

Inspiron 7640

3 compatible docking stations
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Compatible Docking Stations

All docking stations verified to work with Inspiron 7640

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Full Compatibility

3 docks

Full compatibility. All features work as expected, including power supply, display support, port functionality, and other advanced features, like Wake on LAN and power button sync.

SD25TB4 / WD25TB4 with 130W Power Delivery product image

SD25TB4 / WD25TB4 with 130W Power Delivery

Thunderbolt 4Power Delivery130W Power

Dell Pro Thunderbolt 4 Smart Dock SD25TB4 and Dell Pro Thunderbolt 4 Dock WD25TB4 are high-end Thunderbolt 4 docking stations designed for professional and enterprise users. They support extreme multi-display configurations up to 8K with Display Stream Compression, dual Thunderbolt 4 ports, and deliver up to 130W power to Dell commercial notebooks through a single Thunderbolt connection.

Check Price on AmazonWD25TB4 version →
WD22TB4 with 130W Power Delivery product image

WD22TB4 with 130W Power Delivery

Thunderbolt 4Power Delivery130W Power

Dell WD22TB4 is a Thunderbolt 4 docking station designed for professional and enterprise users. It supports advanced multi-display configurations with DisplayPort 1.4 and HDMI 2.1, provides comprehensive USB expansion, Gigabit Ethernet, and delivers up to 130W power to Dell commercial notebooks through a single Thunderbolt 4 connection.

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WD19 / WD19S 180W with 130W Power Delivery product image

WD19 / WD19S 180W with 130W Power Delivery

Power Delivery130W Power

Dell WD19 / WD19S 180W Docking Station is a USB-C dock designed to expand connectivity for laptops, including multi-display support, Gigabit Ethernet, multiple USB-A/USB-C interfaces, and up to 130W Power Delivery to compatible systems from an included 180W power adapter.

Check Price on AmazonWD19S version →
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Frequently Asked Questions

Find answers to common questions about docking station compatibility for Inspiron 7640

Full Compatibility means the docking station is fully compatible with the laptop, including display output, ports, power supply, and advanced features like Power Sync and MAC Address Pass Through. Partial Compatibility means the docking station is still usable with basic display output and ports functional, but there may be limitations such as insufficient power supply for the laptop's requirements, or unavailable features like Power Button Sync.
1. Higher compatibility and more stable operation with same-brand docking stations. 2. Certain advanced features, such as Power Button Sync and MAC Address Pass Through, may only work when paired with laptops from the same brand. 3. Manufacturers may implement proprietary protocols that enable higher charging performance and data transfer rates with same-brand docking stations.
The docking station's display and USB ports may still function, but the laptop will display a power insufficient warning, leading to reduced performance. To achieve optimal performance, the laptop may need to be connected to an additional power source.

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