Name: FANUC A20B-3900-0080
Brand: FANUC
Price: 248.0 USD
Availability: InStock

A20B-3900-0080 Fanuc 4 MEG FROM 256K SRAM memory module for CNC control backup

FANUC A20B-3900-0080

FANUC A20B-3900-0080 CNC Memory Board

In stock

Testing Video Provided

$248.00 USD

Shipping:

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

Returns: 14 days returns. See details

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FANUC A20B-3900-0080 CNC Memory Board

Brand	FANUC
Model	A20B-3900-0080
Handing time	within 1-2 working days
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
Category	PCBs
Parameter Description	A20B39000080 MEMORY BOARD 256K SRAM
Service	Test video will be sent before delivery
Packing	Cartons

The FANUC A20B-3900-0080 is a memory board used in FANUC CNC control systems.

This memory module is listed with 256K SRAM, and the product reference information also describes it as a 4MB FROM / 256K SRAM module for CNC data and program storage support.

It helps support CNC system memory functions, parameter storage, program handling, and reliable controller operation in machine tool applications.

Important note: after replacing or installing this memory board, the customer may need to reload FROM files, parameters, and programs to ensure proper system operation.

It is commonly used for CNC memory board replacement, SRAM module repair, system maintenance, and machine tool troubleshooting when the original memory board becomes faulty, unstable, or unable to retain data correctly.

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✅ In stock and ready to ship
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Product Details

Part Number: A20B-3900-0080
Type: Memory Board / SRAM Module
Memory: 4MB FROM / 256K SRAM
Application: FANUC CNC Control Systems
Function: CNC data storage, program handling, and parameter support
Category: CNC Memory Board / FANUC SRAM Module

Common Use Cases

FANUC CNC memory board replacement
CNC SRAM module repair and maintenance
Program and parameter storage support
Memory-related CNC system troubleshooting
Spare parts support for FANUC CNC control systems

Sales & Support

All memory boards are tested before delivery.
Worldwide shipping by DHL, UPS, FedEx, or other express options is available.
Repair service, warranty support, and technical support are available for FANUC CNC spare parts.

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