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Buy or Repair FANUC A20B-3900-0281 Memory Card – full assembly panoramic view

A20B-3900-0281 – FANUC Memory Card

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$215.00 USD
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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

FANUC A20B-3900-0281 – FANUC Memory Card | CNC Memory PCB

 

Brand FANUC
Condition & Warranty

NEW/Refurbished: 1-Year warranty

Used(90% New): 3-Month warranty

Category

PCBs

Parameter Description

Memory Card / Memory PCB

Data & program storage board

FANUC CNC Systems

CNC parameters, system data, program storage

Handing time Same-Day shipping (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

Service Test video will be sent before delivery
Package Cartons

 

The A20B-3900-0281 memory card is an essential FANUC CNC component designed to provide stable data storage and reliable program handling for a wide range of control systems. Whether used in daily machine operation or as a replacement for aging hardware, the A20B-3900-0281 delivers dependable performance and long-term stability. This memory PCB is engineered to maintain high data integrity, supporting CNC program execution, parameters, and essential system data.

For customers looking to Buy, Repair, Replace, or Service their FANUC control hardware, the A20B-3900-0281 offers a practical and industry-trusted solution. At REACO CNC, we supply both New and Refurbished units, each fully tested before Sale to ensure a seamless installation experience.

A20B39000281 and A20B 3900 0281 references may also appear in system labels or machine documentation—we support both formats during service and repair handling.

 

Repair Service – A20B-3900-0281

Our technicians have extensive experience repairing A20B-3900-0281, including units labeled as A20B39000281 or A20B 3900 0281. We support:

  • Memory PCB diagnostics

  • Program storage failure repair

  • Data reading issues

  • Replacement of damaged components

We help minimize machine downtime and restore system performance quickly.

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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.

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Fast Global Delivery

  • DHL, UPS, FedEx Global shipping.
  • Expedited shipping available
  • Packed in secure reinforced cartons for maximum protection during transport.
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Need Expert Assistance?

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

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