Dell 6-in-1 USB-C Multiport Adapter DA305

Notes, Cautions, and Warnings

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2022-02 Rev. A00

What's in the box

The package contains:

• Dell 6-in-1 USB-C Multiport Adapter: DA305
• Documents (including Quick Start Guide and Safety, Environmental, and Regulatory Information)

Features

Front view

The front of the adapter features:

• 1: USB 3.2 Gen 2 (10 Gbps) USB-C port
• 2: Ethernet port
• 4: USB 3.2 Gen 2 (10 Gbps) USB-A ports

Back view

The back of the adapter features:

• 5: HDMI port
• 6: DisplayPort

3: USB-C cable is integrated into the adapter.

Using your DA305 multiport adapter

Follow these steps to connect and use the adapter:

1. Using your fingertips, hold the bottom section of the DA305.
2. With the USB-C cable facing you, turn the top section to release the USB-C cable.
3. Connect the USB-C cable of your DA305 to the Thunderbolt port (15W) or USB-C (DisplayPort Alt Mode, 15W or 7.5W) port on your PC. The adapter can connect to several peripherals without an external power source.
4. The DA305 supports power delivery pass-through up to 90W when connected to the Thunderbolt or USB-C (Display Port Alt Mode) port of your PC. Power can be supplied by a USB-C power adapter or a USB-C monitor with power delivery capability.
5. The DA305 display ports and Ethernet port support Fast Role Swap (FRS). If the USB-C power adapter or USB-C monitor is disconnected, the adapter will switch power source to the PC instantly without affecting port functionality. Note: USB ports do not support FRS. FRS is functional only if the connected PC supports FRS. Ensure the USB-C plug connects to a PC with UL, IEC certification.
6. The DA305 supports single display output. You can connect one display to the HDMI, DisplayPort, or USB-C port at a time.

Note: DA305 can support only one display at any given time.

Display Capabilities

The DA305 supports the following display outputs:

• DisplayPort 1.4: Up to 3840 x 2160 @ 60 Hz
• HDMI 2.0: Up to 3840 x 2160 @ 60 Hz
• MFDP* USB-C port: Up to 3840 x 2160 @ 30 Hz

*Multi-function DisplayPort (MFDP): Integrated DisplayPort video, power delivery, and USB 3.2 Gen 2 data connectivity via one USB-C port.

Note: 4K resolution at 60 Hz requires a PC with DisplayPort 1.3 or above (HBR3) and a compatible monitor. PCs supporting below DisplayPort 1.3 will have a maximum resolution of 4K at 30 Hz.

Note: The DA305 supports only one display at a time.

Port Descriptions

• Video port: Connect an external display or a projector.
• Ethernet port: Connect an Ethernet (RJ45) cable from a router or broadband modem for network or internet access.
• USB-C and USB-A ports: Connect peripherals such as keyboards, mice, and external storage devices.

Troubleshooting

Specifications

• Upstream input: USB-C
• Downstream data ports:
  • Two USB 3.2 Gen 2 (10Gbps) USB-A ports
  • One USB 3.2 Gen 2 (10Gbps) USB-C port
  • One Gigabit Ethernet RJ45 port
• Downstream video out ports and resolutions supported: Single video out from one of the three ports:
  • One DisplayPort 1.4 port (3840 x 2160 max)/60 Hz
  • One HDMI 2.0 port (3840 x 2160 max)/60 Hz
  • One MFDP* USB-C port (3840 x 2160 max)/30 Hz

  *Multi-function DisplayPort (MFDP): Integrated DisplayPort video, power delivery, and USB 3.2 Gen 2 data connectivity via one USB-C port.

Note: 4K resolution at 60 Hz is supported on PCs that have DisplayPort 1.3 or above with a display capable of 4K resolution at 60 Hz. On PCs that support below DisplayPort 1.3, the maximum resolution supported is 4K at 30 Hz.

Note: The difference between DA305z & DA305u is only the manufacturer. Manufacturer for DA305z: BizLink (Kunshan) Co., Ltd. Manufacturer for DA305u: Luxshare Precision Industry Co., Ltd.

Note: The DA305 is backward compatible with USB 3.1/ USB 3.0 Gen 1 & Gen 2, and USB2.0/USB 1.1 devices.

DA305 downstream USB ports power

Recommended system requirements

• Supported operating system:
  • Windows 10/11 64 bits
  • Mac OS 10.11.6 and above
  • Chrome OS 70.0.3538 and above
  • Ubuntu 15.10 and above
  • RHEL 8 and above
• Operating temperature: Product working at maximum ambient temperature of 35°C.

Statutory Information

Warranty

Limited warranty and return policies

Dell-branded products carry a 3-year limited hardware warranty. If purchased together with a Dell system, it will follow the system warranty.

For U.S. customers:

This purchase and your use of this product are subject to Dell's end user agreement, which you can find at www.dell.com/terms. This document contains a binding arbitration clause.

For European, Middle Eastern and African customers:

Dell-branded products that are sold and used are subject to applicable national consumer legal rights, the terms of any retailer sale agreement that you have entered into (which will apply between you and the retailer) and Dell's end user contract terms. Dell may also provide an additional hardware warranty—full details of the Dell end user contract and warranty terms can be found by going to www.dell.com, selecting your country from the list at the bottom of the “home” page and then clicking the “terms and conditions” link for the end user terms or the “support” link for the warranty terms.

For non-U.S. customers:

Dell-branded products that are sold and used are subject to applicable national consumer legal rights, the terms of any retailer sale agreement that you have entered into (which will apply between you and the retailer) and Dell's warranty terms. Dell may also provide an additional hardware warranty—full details of Dell's warranty terms can be found by going to www.dell.com, selecting your country from the list at the bottom of the "home" page and then clicking the “terms and conditions” link or the “support” link for the warranty terms.

Getting Help

Contacting Dell

Note: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues:

Steps

1. Go to www.dell.com/support.
2. Select your support category.
3. Verify your country or region in the Choose a Country/Region drop-down list at the bottom of the page.
4. Select the appropriate service or support link based on your need.