1 / 7Acer ODK390 9-in-1 USB-C Hub with 4K HDMI and VGA
HDMI: Acer ODK390 is a 9-in-1 USB-C hub combining video outputs, Ethernet, USB-A data ports, card readers and pass-through charging. It suits laptops that need more connections, but video and power functions depend on compatible host ports and a separate charger.
At a glance
- The listed port set includes HDMI and VGA, Gigabit Ethernet, three USB-A data ports, SD and microSD card slots, and a USB-C PD charging port.
- HDMI supports up to 4K at 30Hz. Using HDMI and VGA together is described as mirroring the same content at up to 1080P@60Hz.
- The USB-A ports are specified for data transfer up to 5 Gbps. SD and microSD slots are for data transfer and cannot be used simultaneously.
- Charging is pass-through: the hub accepts up to 100W input and lists up to 90W output to the laptop, with 10W reserved to power the hub.
Reference price: $34.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- Combines display outputs, Ethernet, three USB-A data connections and two card-reader slots in one hub.
- HDMI plus VGA provides a stated option for two external displays, though both show the same content.
- The listed 90W maximum laptop charging output leaves room for power pass-through while the hub is in use.
Cons
- HDMI is limited to 4K at 30Hz rather than higher refresh rates at 4K.
- The SD and microSD readers cannot operate simultaneously, and the USB-C PD port is for charging rather than data transfer.
- The hub does not include the 100W power adapter and cable recommended for optimal 90W charging.
Technical specifications
20 specifications| Brand | Acer |
|---|---|
| Model | ODK390 |
| Port count | 9 |
|---|---|
| USB ports | 3 |
| USB data rate | 5 gigabits_per_second |
| HDMI output | 4K@30Hz |
| VGA output | 1080P |
| Ethernet | 1000Mbps |
| USB-C power input | 100W |
| Maximum laptop charging output | 90W |
| Memory card capacity | 1TB |
| Supported operating systems | Chrome OS, Linux, Windows, Mac OS, Android |
|---|---|
| Minimum required operating system version | Mac OS X 10.5 Leopard |
| Host video requirement | DP Alt Mode |
| Host charging requirement | PD protocol |
| Color | Space Grey |
|---|---|
| Enclosure material | Aluminum |
| Dimensions | 4.33"L x 1.97"W x 0.67"H |
| Weight listed | 2.88 ounces |
| Warranty description | 1 year manufacturer |
|---|
What to know before buying
- Video output requires a host USB-C port with DP Alt Mode, and laptop charging requires USB-C Power Delivery. A 100W power adapter and cable are recommended for the listed 90W laptop output and are not included. Ethernet can reach 1000Mbps with a CAT6 or higher cable. HDMI and VGA together mirror the same content, and the two card slots cannot be used simultaneously.
Who is it for?
A good fit for
- Laptop users who need HDMI or VGA, wired Ethernet, USB-A data ports and card readers from one USB-C connection.
- Users whose laptop supports DP Alt Mode and USB-C Power Delivery and who are comfortable supplying a separate 100W charger for pass-through charging.
Less suited to
- Users seeking 4K output above 30Hz or independent content on two displays connected through HDMI and VGA.
- Users who need simultaneous SD and microSD access or USB-C data transfer through the PD port.
Customer reviews on Amazon
- 5 stars
75% 75% - 4 stars
11% 11% - 3 stars
7% 7% - 2 stars
1% 1% - 1 star
6% 6%
Customer feedback highlights the hub’s port selection, ease of use and build quality, with some users valuing the added connections on laptops with few ports. Experiences are mixed for monitor connectivity, speed, power delivery and reliability, including reports of monitor connection trouble, slow Ethernet, inadequate charging and units stopping after a month. Those concerns matter most if you rely on stable external displays, wired networking or sustained pass-through charging. The listing’s DP Alt Mode, Ethernet and charging specifications describe intended capability, not guaranteed results for every setup.
Positive themes
- Customers describe the hub as well-made and easy to use.
- Customers appreciate the range of ports, including for laptops with limited USB connections.
Mixed feedback
- Connectivity and speed receive mixed feedback, including reported monitor connection issues and slow Ethernet.
- Charging performance and reliability receive mixed feedback, including reports of inadequate power delivery and units stopping after a month.
Frequently asked questions
Does the ODK390 support two external displays?
The listing describes HDMI and VGA operation together at up to 1080P@60Hz, but says the displays mirror the same content rather than showing independent content. The host USB-C port must support DP Alt Mode.
Can the hub charge a laptop?
It accepts up to 100W input and lists up to 90W maximum output to the laptop, reserving 10W for the hub. A 100W power adapter and cable are recommended and are not included.
Can I use the SD and microSD slots at the same time?
No. The listing says the SD and microSD ports cannot work simultaneously. Both are described as data-transfer readers.
What is required for Gigabit Ethernet?
The hub's Ethernet port is listed for up to 1000Mbps. The listing recommends a CAT6 or higher Ethernet cable to reach that rate.
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