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StarTech 4-Port VGA Video Splitter - 2048x1536 at 80Hz - TAA (ST124PRO) | Displays 1 VGA source on 4 monitors, 300MHz high video bandwidth, DDC compatible, Daisy chainable
StarTech.com

StarTech.com StarTech 4-Port VGA Video Splitter

Bottom line: The StarTech.com StarTech 4-Port VGA Video Splitter: Drives 4 monitors from one VGA source, ideal for classrooms and in-store displays; main trade-off: VGA/analog only, no HDMI, DVI, or DisplayPort inputs.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Drives 4 monitors from one VGA source, ideal for classrooms and in-store displays
  • ✓ Supports high resolutions up to 2048x1536 @ 80Hz
  • ✓ Built-in booster extends VGA signal up to 210ft (65m)
  • ✓ 350 MHz video bandwidth keeps text and images sharp on all 4 outputs
  • ✓ Daisy-chainable for expansion beyond 4 displays

Cons

  • ✗ VGA/analog only, no HDMI, DVI, or DisplayPort inputs
  • ✗ Splits one source, all screens show the same image (no independent feeds)
  • ✗ External power adapter required, not USB-powered
  • ✗ Aging interface for modern digital-native monitors

Manufacturer description

The ST124PRO 4 Port High Resolution VGA Video Splitter - 350 MHz splits a VGA video source signal to 4 monitors or projectors simultaneously - a professional grade solution that is perfect for presentations, classrooms, tradeshows, or in-store displays, where the highest quality video on several monitors is needed. This High Resolution VGA Splitter supports monitors with up to 350MHz of video bandwidth and display resolutions up to 2048x1536 @80Hz. For added versatility, the VGA splitter features an integrated booster circuit that allows the video signal to be extended up to 210 feet (65…

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 4-Port VGA Video Splitter using a rating × review-volume × price-fit model applied to published specs and reviews across the PC & gaming hardware category. StarTech.com's PC & gaming hardware lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for PC & gaming hardware 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Allows 1 VGA video source to simultaneously display on 4 different monitors
  • Supports resolutions up to 2048x1536 @ 80Hz
  • High video bandwidth (350 MHz)
  • Daisy chainable for almost unlimited expansion
  • Maximum VGA cable length of 210ft (65m)

Full Specifications

BrandStarTech.com
ColorBlack
Cable TypeVGA
Unit Count1 Count
Model NumberST124PRO
Connector TypeVGA
Mfr Part NumberST124PRO
Number of Ports4
Compatible DevicesProjector
Warranty Description2-Year
Item Dimensions D x W x H7.2"D x 3.1"W x 0.8"H
Connector Type Used on CableVGA
Global Trade Identification Number00065030783101
Full listing titleStarTech 4-Port VGA Video Splitter - 2048x1536 at 80Hz - TAA (ST124PRO) | Displays 1 VGA source on 4 monitors, 300MHz high video bandwidth, DDC compatible, Daisy chainable

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StarTech 4-Port VGA Video Splitter - 2048x1536 at 80Hz - TAA (ST124PRO) | Displays 1 VGA source on 4 monitors, 300MHz high video bandwidth, DDC compatible, Daisy chainable is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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StarTech 4-Port VGA Video Splitter - 2048x1536 at 80Hz - TAA (ST124PRO) | Displays 1 VGA source on 4 monitors, 300MHz high video bandwidth, DDC compatible, Daisy chainable
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