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IBM 27F4626 MCA Riser Card 3-Slot PS/2 Micro Channel Architecture ISA IBM 27F4626 MCA Riser Card 3-Slot PS/2 Micro Channel Architecture ISA MCA riser card designed for IBM PS/2 systems using Micro Channel Architecture. Provides three additional expansion slots for MCA-compatible peripheral cards and adapters. Specifications & What's Included - Model: IBM 27F4626
- Type: MCA Riser Card
- Expansion Slots: 3
- Bus Type: Micro Channel Architecture (MCA)
- Form Factor: Card/Module
- Compatible With: IBM PS/2 Micro Channel Architecture systems
- Manufacture: United States
- Includes: Riser card only; no riser cards were used in IBM PS/2 systems to expand internal expansion slot capacity. These cards allowed users to add additional MCA-compatible cards such as network adapters, storage controllers, or other peripherals when available slots on the motherboard were occupied. Riser cards mounted perpendicular to the main board, redirecting expansion cards horizontally. Commonly found in PS/2 Models 50, 60, 70, and 80 configurations where internal card density required optimization.Condition: Used
This IBM 27F4626 MCA Riser Card has been inspected and is in good used condition. It was pulled from a working environment where it was in use and functional. The PCB shows light surface wear typical of a card that has been installed and removed, but there is no visible physical damage, broken traces, or bent connector pins. The edge connectors and MCA expansion slots appear clean. 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. Visit Our Store Shop industrial, solar, scientific, vintage computing, electronic test, audio-visual, office equipment, and manuals in our store. Start shopping » Follow Our store Want first pick on new arrivals? Tap Save Seller at the top of any page — alerts you the moment we list something new. Fast Shipping We ship via most standard carriers. Local pick-up available at our Ventura, CA warehouse. About Us Questions? Contact us anytime. Learn more about us » Best Offers Want to make an OFFER but don't see a MAKE OFFER button? Use the Contact Seller button at the top of this listing. 30-Day Guarantee 100% satisfaction guaranteed. Any issue, just reach out — we'll make it right. Thank you for shopping with us.

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