What kind of refresh rate might be expected through this device on a 2560 x 1600 monitor?

The device supports a refresh rate of up to 30Hz for 4K (3840 x 2160) resolution. Therefore, it can be inferred that at a lower resolution like 2560 x 1600, a similar or possibly higher refresh rate might be expected. However, the exact refresh rate for 2560 x 1600 is not specifically mentioned.

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StarTech USB32DPES2 USB to DisplayPort Adapter - 4K 30Hz - USB 3.0 - USB Display Adapter - Dual Monitor Adapter - Multi Monitor Adapter

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Use this USB 3.0 to DisplayPort video adapter to add a 4K capable monitor to your computer
DisplayPort 4K adapter requires no external power adapter
Get exceptional video performance with support for video resolutions up to 4K 30Hz
USB to DisplayPort external graphics card / Dual monitor adapter / Multi monitor adapter / Screen mirroring adapter / USB display adapter / 4K USB video adapter / External graphics adapter / DisplayPort converter / DisplayPort dongle / Projector adapter

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USB to DisplayPort Adapter - USB 3.0 - 4K 30Hz

Model
Brand	StarTech.com
Model	USB32DPES2

Details
Type	USB to DisplayPort Adapters
Color	Black
Cable Length	2.4"
Specifications	Audio: Yes Chipset ID: MCT - T6-688L Memory: DDR 4Gb Output Signal: DisplayPort Audio Specifications: 2-channel stereo General Specifications: This USB video adapter uses a Trigger family chipset. If you’re connecting this device to a computer along with additional USB video adapters or docking stations, please avoid using devices with a DisplayLink or Fresco family chipset. Maximum Digital Resolutions: 4K x 2K @ 30Hz Supported Resolutions Widescreen(16/32 bit): 3840×2160, 2048x1152, 1920x1200, 1920x1080, 1680x1050, 1366x768, 1280x800, 1280x768, 1280x720 Standard(16/32 bit): 1600x1200, 1400x1050, 1280x1024, 1024x768, 800x600, 640X480 Wide Screen Supported: Yes Connector(s) Connector A: 1 - USB Type-A (9 pin) USB 3.0 Male Input Connector B: 1 - DisplayPort (20 pin) Female Output Microsoft WHQL Certified: Yes OS Compatibility: Windows 10 (32/64), Windows 8 / 8.1 (32/64), Windows 7(32/64)

Features
Features	Be more productive by multitasking on an additional, independent display Get exceptional USB video performance with support for video resolutions up to 4K 30Hz Install easily with no external power adapter required 2-channel (stereo audio) support

Dimensions & Weight
Dimensions	7.70" x 3.50" x 0.60"
Weight	1.50 oz / 43g

Package Contents
Package Contents	1 - USB video adapter 1 - quick-start guide

Disclaimer
Disclaimer	Note: This USB video adapter uses a Trigger family chipset. If you’re connecting this device to a computer along with additional USB video adapters or docking stations, avoid using devices with different family chipsets, such as DisplayLink® or Fresco Logic This USB video adapter is not intended for graphical intensive applications System and Cable Requirements: For 1 ~ 2 video adapters - CPU: Intel Core i3 2.8 GHz or equivalent (Core i5 recommended for HD video) - RAM: 2 GB or more (4 GB recommended for HD video) For 3 ~ 4 video adapters - CPU: Intel Core i5 Quad Core 2.8 GHz or equivalent - RAM: 4 GB or more For 5 video adapters - CPU: Intel Core i7 Quad Core 3.0 GHz or equivalent - RAM: 8 GB or more

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First Listed on Newegg	January 19, 2026

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Item#: 9SIBSWCKS03448

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