A20B-3300-0254 FANUC CPU Module 32MB SDRAM CPU Card

The A20B-3300-0254 is a FANUC PC board / CPU module, commonly described as a SIT CPU SDRAM 32MB board or 32MB DRAM CPU card. It is used in compatible FANUC robot control systems for CPU processing, system operation, data handling, communication, and robot controller functions.

This model is supplied as a FANUC robot CPU module / CPU card PCB, not a complete robot controller or complete control cabinet. It is also listed as discontinued by manufacturer, so stock availability and compatibility should be confirmed before ordering.

Worldwide Shipping & REACO CNC Service

• Worldwide Shipping: We can ship worldwide by DHL, UPS, FedEx, or other available logistics channels.
• Fast Handling: In-stock items can usually be shipped within 1-2 working days after payment.
• 100% Tested Before Delivery: Each qualified CPU module is tested or checked before shipment. Product photos or a test video can be sent before delivery when required.
• REACO Warranty: New or refurbished products usually include a 1-year warranty, and used 90% new products usually include a 3-month warranty.
• Free Technical Support: Our team can help with basic model confirmation, CPU board matching, and replacement guidance.

Product Information

Product Application

The FANUC A20B-3300-0254 CPU module is mainly used for compatible FANUC robot controller repair and maintenance. It may be required when the original CPU board is damaged, unstable, burnt, corroded, or causing robot controller startup, system communication, program operation, memory-related, or control-related faults.

Because this is a robot controller CPU module, replacement should be handled carefully. Before replacement, please confirm the original board number, robot controller model, memory configuration, software or system configuration, backup status, connector layout, and alarm details.

Quality Control and Testing

For FANUC robot CPU modules and controller PCBs, careful checking is very important before shipment because PCB condition may directly affect controller startup, robot communication, data processing, motion control, program operation, and system reliability. REACO CNC checks qualified products carefully and can provide real product photos or a test video before delivery when required.

Our goal is to help customers receive reliable FANUC robot and CNC spare parts with clear product information, careful inspection, responsive after-sales support, and practical technical assistance.

Compatibility Confirmation

Before ordering, please confirm that the full board number on your original PCB is A20B-3300-0254. Similar FANUC CPU modules may have different hardware versions, SDRAM capacity, connector layouts, controller compatibility, software requirements, or system configuration requirements.

Please pay special attention to the 32MB SDRAM / 32MB DRAM CPU card description. If you are not sure whether this FANUC CPU module is suitable for your robot controller, please send photos of the original board label, connector side photos, robot controller model, robot model, software version if available, and alarm information. REACO CNC can help check the details before purchase.