Diamond Monster 3D II 3Dfx Voodoo2 PCI 8MB 3D Accelerator Card 23150105-005

Diamond Monster 3D II 3Dfx Voodoo2 PCI 8MB 3D Accelerator Card 23150105-005

The Diamond Monster 3D II is a dedicated 3D graphics accelerator card based on the 3Dfx Voodoo2 chipset, featuring 8MB of video memory on a full-height PCI card. It connects in-line with an existing 2D VGA card via a pass-through cable, adding hardware-accelerated 3D rendering for Glide, Direct3D, and early OpenGL titles. The bracket carries two DB15 VGA connectors — one for the pass-through input from the primary VGA card and one for the monitor output.

Specifications & What's Included

• Brand: Diamond Multimedia Systems
• Model: Monster 3D II
• Part Number: 23150105-005
• Chipset: 3Dfx Voodoo2
• Video Memory: 8 MB SGRAM
• Interface: PCI (full-height, standard PCI bus)
• Connectors: 2× DB15 VGA on bracket — pass-through input and monitor output
• API Support: 3Dfx Glide, Direct3D, OpenGL (via Glide wrapper)
• PCB: Green, full-height PCI form factor
• Includes: Card only — no pass-through cable, driver disk, or original packaging

Applications

The Diamond Monster 3D II was one of the most popular 3D accelerator cards of the late 1990s, built around the 3Dfx Voodoo2 chipset that powered a generation of PC gaming. Unlike typical 2D/3D combo cards of the era, the Voodoo2 was a dedicated 3D-only add-in card: it sat between the primary VGA card and the monitor, taking over rendering only when a Glide-enabled game activated it. Voodoo2-based cards were celebrated for their performance in titles like Quake II, Half-Life, Tomb Raider II, and the early Need for Speed games, and the 3Dfx Glide API delivered smoother frame rates and more accurate texture rendering than competing solutions of the time. Two Voodoo2 cards could also be connected in a SLI-like configuration (called