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StarTech.com

StarTech USB-A 3.0 to Dual HDMI Adapter, 4K 30Hz + 1080p 60Hz, Windows only | USB 5Gbps to 2x HDMI external graphics, 1x 4K 30Hz + 1x 1080p 60Hz, Extend or mirror

Name: StarTech USB-A 3.0 to Dual HDMI Adapter, 4K 30Hz + 1080p 60Hz, Windows only | USB 5Gbps to 2x HDMI external graphics, 1x 4K 30Hz + 1x 1080p 60Hz
Brand: StarTech.com
SKU: B0725K1MHH
Price: 47.52 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$47.52

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View Current Price on Amazon → Compare to similar accessories

*Price sourced from Amazon.com. Last updated 2026-08-18. Price and availability subject to change.

Bottom line: The StarTech USB-A 3.0 to Dual HDMI Adapter, 4K 30Hz + 1080p 60Hz, Windows only | USB 5Gbps to 2x HDMI external graphics, 1x 4K 30Hz + 1x 1080p 60Hz, Extend or mirror is a niche pick — read recent reviews before buying in the accessories category, priced around $47.52. Compare close alternatives before committing.

Add two independent HDMI displays to a Windows PC through a single USB-A 3.0 port with the StarTech.com USB 3.0 to Dual HDMI Adapter. One HDMI output drives 4K (3840x2160) at 30Hz, while the second handles 1080p at 60Hz, so you can extend your desktop across two monitors or mirror your screen without opening the case or hunting for a free DisplayPort. It is built for machines that do not support MST or that have run out of video outputs, which makes it a practical fix for laptops and compact desktops in office and work-from-home setups. The adapter uses a 1x USB-A male to 2x HDMI female…

SpecPicks Verdict

SpecPicks scored StarTech USB-A 3.0 to Dual HDMI Adapter, 4K 30Hz + 1080p 60Hz… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the accessories category. StarTech.com's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by StarTech.com's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

COMPATIBILITY: This adapter is only compatible with Windows and does not support macOS, ChromeOS or Linux; Works with all Windows X86/X64/ARM platforms: Intel, AMD, and Snapdragon X Copilot+ PC; Administrator rights are required to install the drivers
INCREASE YOUR PRODUCTIVITY: USB to Dual HDMI monitor adapter lets you extend your desktop by adding up to two HDMI monitors to your laptop or desktop computer; Ideal for your workstation setup in the office or working from home
4K SUPPORT: Enjoy exceptional USB video performance with this USB to HDMI dongle; Video adapter support video resolutions up to 4K (3840x2160) at 30Hz
PERFORMANCE: USB 5Gbps to Dual HDMI hub converter (1x USB-A male to 2x HDMI female connector) offer 1x 4K 30Hz (UHD) and 1x 1080p 60Hz Video, 2ch audio (through HDMI), HDCP 1.4 and 9.8in (25cm) cable length
THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB 3.0 to HDMI video adapter is backed for 3-years, including free lifetime 24/5 multi-lingual technical assistance

Full Specifications

Brand	StarTech.com
Color	Black
Finish	Matte
4K SUPPORT	Enjoy exceptional USB video performance with this USB to HDMI dongle; Video adapter support video resolutions up to 4K (3840x2160) at 30Hz
Unit Count	1 Count
Connectivity	USB
Model Number	USB32HD2
Compatibility	PC, Mac, Linux
Input Voltage	5 volts
Nominal Power	5 watts
Warranty Type	Limited
Built-In Media	USB video adapter (1)^quick-start guide (1)
Connector Type	HDMI, USB Type A
Item Type Name	A/V Adapter
Item Dimensions	12.4 x 2.6 x 0.6 inches
Mfr Part Number	USB32HD2
Number of Items	1
Number of Ports	2
Power Plug Type	No Plug
Compatible Devices	Windows 10, Windows 11, Windows 7, Windows 8/8.1

Ready to buy?

StarTech USB-A 3.0 to Dual HDMI Adapter, 4K 30Hz + 1080p 60Hz, Windows only | USB 5Gbps to 2x HDMI external graphics, 1x 4K 30Hz + 1x 1080p 60Hz, Extend or mirror is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-18. Price and availability subject to change.