Skip to product information
A20B-3300-0254 Fanuc 32MB DRAM CPU card for robot control repair

FANUC A20B-3300-0254 CPU module with 32MB SDRAM

In stock
$386.00 USD
Fast and safe checkout via PayPal
Secure online payments with Visa
Accepted credit card payments through Mastercard
Online payments accepted via Discover card
Convenient and trusted payments via American Express

Shipping:

Reliable global express shipping by DHL
Worldwide parcel delivery by UPS
Fast and secure shipping by FedEx

Delivery: Estimated 2- 6 business days delivery. See details

Returns: 14 days returns. See details

All parts are covered by REACO CNC warranty

All parts are covered by REACO CNC warranty

Every part is carefully inspected and tested for reliability。

All parts tested under load

Global Delivery for Fanuc and Mitsubishi CNC parts

Fast response, global shipping, expedited shipping available

tech support for CNC repair and parts.

Free technical support

More than 150,000 parts in stock & ready for delivery

More than 100,000 parts in stock & ready for delivery

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

Brand FANUC
Model A20B-3300-0254
Alternative Model A20B33000254
Product Type PC Board / CPU Module / Robot Controller CPU Card
Board Function CPU Module / CPU Card
Memory 32MB SDRAM / 32MB DRAM
Board Description PCB - SIT CPU SDRAM 32MB
Status Discontinued by Manufacturer
Category FANUC Robot Controller PCB / CPU Module / Control Board Component
Application FANUC Robot Controller Repair, CPU Module Replacement, Robot System Maintenance, and Control Board Repair
Handling Time Within 1-2 working days after payment, if in stock
Shipping Method DHL / UPS / FedEx
Estimated Delivery Time via DHL Asia: 1-3 business days
Europe: 2-4 business days
North America: 2-4 business days
South America: 3-6 business days
Middle East & Africa: 3-6 business days
Oceania: 2-5 business days
Warranty New / Refurbished: 1-Year warranty
Used 90% New: 3-Month warranty
Parameter Description A20B-3300-0254
A20B33000254
Discontinued by Manufacturer
PC Board
CPU Module
PCB - SIT CPU SDRAM 32MB
32MB DRAM CPU Card
FANUC Robot
Service Tested or checked before delivery. Product photos or test video can be sent before shipment.
Packing Anti-static protective packing and carton packing

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.

FAQ

Q: What is A20B-3300-0254?

A20B-3300-0254 is a FANUC PC board / CPU module, commonly described as a SIT CPU SDRAM 32MB board or 32MB DRAM CPU card.

Q: Is A20B-3300-0254 a complete robot controller?

No. A20B-3300-0254 is a CPU module / PCB component, not a complete robot controller or complete control cabinet.

Q: How much memory does A20B-3300-0254 have?

The provided product information describes this model as a CPU card with 32MB SDRAM / 32MB DRAM.

Q: Is A20B-3300-0254 discontinued?

Yes. This model is described as discontinued by manufacturer. Please confirm stock availability before ordering.

Q: Can this CPU module be used for FANUC robot controller repair?

Yes. This CPU module can be used for compatible FANUC robot controller repair after confirming the original board number, controller model, and system configuration.

Q: Should robot controller data be backed up before replacing this CPU module?

Yes. Before replacing a robot controller CPU module, it is recommended to confirm the backup status of controller data, robot programs, system settings, mastering data, and option information if applicable.

Q: Can REACO CNC test this FANUC CPU module before shipment?

Yes. REACO CNC tests or checks qualified CPU modules before delivery. Product photos or a test video can be sent before shipment when required.

Q: What warranty does REACO CNC provide?

For new or refurbished products, REACO CNC usually provides a 1-year warranty. For used 90% new products, the warranty is usually 3 months. The final warranty term depends on the quotation and order condition.

Q: Can you help confirm compatibility before purchase?

Yes. Please send the original board photos, full board number, connector side photos, robot controller model, robot model, software version if available, and alarm details. We will help check whether this model is suitable for your controller.

Q: Do you also provide FANUC robot controller PCB repair service?

Yes. REACO CNC provides FANUC robot controller PCB sales and repair support. If your original board is faulty, you can contact us for replacement or repair options.

Warehouse shelves filled with boxed FANUC CNC parts, showing Reaco CNC’s large inventory for fast global delivery.

Over 100,000 CNC Parts in Stock

With an extensive inventory of FANUC and Mitsubishi components, we ensure fast delivery and reliable replacements — minimizing your downtime.

Shop now
Packaging process showing wooden crates for heavy items and reinforced double-layer cartons for standard products.

Fast Global Delivery

  • DHL, UPS, FedEx Global shipping.
  • Expedited shipping available
  • Packed in secure reinforced cartons for maximum protection during transport.
Technician operating FANUC CNC testing benches during system inspection and repair at REACO CNC.

Need Expert Assistance?

Our experienced engineers provide technical support for all FANUC and Mitsubishi CNC parts — including troubleshooting, installation guidance, and repair consultation.

Get in touch

Hot Selling FANUC Parts

View all