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Union Trident

Trident TGUI9400-3 PCI VGA Video Card TWN7389 Rev D Union 1MB DOS Windows

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SKU:
31973
MPN:
TWN7389
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Shipping:
Calculated at Checkout
  • Trident TGUI9400-3 PCI VGA video card TWN7389 front view showing VGA port and PCB components
  • Union Trident TGUI9400-3 PCI video card PCB showing Trident GPU chip and VGA output connector
  • Close-up of TWN7389 Rev D board marking on Trident TGUI9400-3 PCI video card PCB
  • Trident TGUI9400-3 TWN7389 PCI video card reverse PCB view showing Made in China label
$30.00
Was: $60.00
Current Stock: 2

Sold Out

Description

Trident TGUI9400-3 PCI VGA Video Card TWN7389 Rev D Union 1MB DOS Windows

A PCI-based graphics card from the 1990s era featuring the Trident TGUI9400-3 chipset and 1MB of onboard video memory. Provides VGA output for legacy computer systems.

Specifications & What's Included

  • Brand: Trident; Board Manufacturer: Union
  • Model: TGUI9400-3 (MPN: TWN7389, Rev D)
  • Interface: PCI (half-height card)
  • Video Memory: 1 MB
  • Output: VGA (DB-15 connector)
  • Compatible OS: MS-DOS, Windows 3.x, Windows 95
  • Card only; no accessories included

Applications

This card was used in business and consumer desktop systems throughout the 1990s. It serves as a graphics solution for retro computing builds, legacy system restoration, or as a replacement component in period-appropriate machines. The TGUI9400-3 supports standard VGA resolutions and was widely deployed in DOS and early Windows environments.

Condition: Used
This Trident TGUI9400-3 PCI VGA video card (board TWN7389 Rev D) has been inspected and is in good used condition. The PCB is clean with no visible damage, cracked traces, or burnt components. The VGA output connector and PCI edge connector both appear intact. Normal light wear consistent with prior installation is present on the card. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Trident
Board Manufacturer:
Union
Model:
TGUI9400-3
MPN:
TWN7389
Hardware Revision:
Rev D
Type:
PCI VGA Video Card
GPU / Chipset:
Trident TGUI9400-3
Interface:
PCI
Video Output:
VGA (HD-15 / DE-15)
Memory Size:
1 MB
Compatible OS:
MS-DOS, Windows 3.x, Windows 95
Form Factor:
Half-Height PCI Card
Country/Region of Manufacture:
China
SKU:
31973
Condition:
Used – Inspected
Seller Notes:
Card only. No accessories included.
Condition Notes:
This Trident TGUI9400-3 PCI VGA video card (board TWN7389 Rev D) has been inspected and is in good used condition. The PCB is clean with no visible damage, cracked traces, or burnt components.
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