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Small black USB 3.0 Type-A to VGA adapter

Rocstor

Rocstor Y10A178-B1 USB 3.0 to VGA video adapter 1920x1200 1080p

SKU CH-TJMT-J9RP5 MPN Y10A178-B1

Connects a USB 3.0 port to a VGA display at up to 1920x1200 1080p resolution

  • Adapter typeUSB to VGA
  • Product typeUSB to VGA Adapters
  • Product colorBlack
  • Connect an extra VGA display via USB 3.0
  • Supports resolutions up to 1920x1200 and 1080p
  • Plug-and-play setup requires no driver installation
  • Compact design suits travel and presentations
  • Works with PC and Mac computers

Portable USB 3.0 to VGA display adapter

The Rocstor Y10A178-B1 adds a VGA output to any laptop or desktop with a free USB 3.0 Type-A port. It supports external monitors, projectors or HDTVs that accept a VGA signal. The compact black adapter draws power from the USB bus so no external supply is needed. It suits mobile professionals and home users who need an extra screen without opening the computer.

Maximum resolution limited by USB 3.0 bandwidth

Video output tops out at 1920x1200 at 1080p, which matches the adapter's rated ceiling. Higher resolutions or refresh rates are not possible over this single USB 3.0 link. The VGA interface itself is analogue, so cable length and quality can affect image clarity at the upper end of the range. Users needing 4K or multi-monitor arrays must choose a different interface.

Driver installation required before first use

The adapter is not a pure plug-and-play device on every operating system; a driver download is typically needed for Windows or macOS before the display is recognised. Once installed, the device appears as an additional graphics output in system settings. Common issues include forgetting to install the driver, using a USB 2.0 port which cuts bandwidth, or selecting an unsupported resolution in display preferences.

How it compares

Measured against everything we stock in HDMI, DVI & VGA Adapters, at today’s prices. Recalculated every night.

Price $25.99
Pricier than about 67% of the 172 comparable items (median $16.49).

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Specifications

Product
Brand nameRocstor
Model nameY10A178-B1
Product typeUSB to VGA Adapters
Adapter typeUSB to VGA
Product colorBlack
Size & build
Shipping weight0.36 kg
Package size152 × 51 × 25 mm

Questions about this item

What resolution can the Y10A178-B1 actually deliver on a VGA monitor?

The adapter supports up to 1920x1200 and 1080p output, so a connected VGA display will show desktop extension or mirrored content at those resolutions.

Does the USB 3.0 connection limit the video quality compared to a native video port?

USB 3.0 Type-A supplies the bandwidth used for the 1920x1200 1080p signal, enabling plug-and-play video without a dedicated graphics output.

Which displays work with the VGA female port on this adapter?

Any VGA-compatible monitor, projector or HDTV with a VGA input can be connected to the female port for video output.

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