{"product_id":"fanuc-a20b-3900-0288","title":"FANUC A20B-3900-0288","description":"\u003ch3\u003eA20B-3900-0288 FANUC Memory Module 64MB \/ SRAM 3MB\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eA20B-3900-0288\u003c\/strong\u003e is a \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc PCBs for Reliable Industrial Automation\" rel=\"noopener\"\u003eFANUC memory module\u003c\/a\u003e, commonly described as a \u003cstrong\u003e64MB \/ SRAM 3MB module\u003c\/strong\u003e. It is used in compatible FANUC CNC control systems for memory-related functions, system data storage, and CNC operation support depending on the original system configuration.\u003c\/p\u003e\n\u003cp\u003eThis model is supplied as a \u003cstrong\u003eFANUC memory module \/ SRAM module\u003c\/strong\u003e, not a complete CNC control system. It is also listed as \u003cstrong\u003ediscontinued by manufacturer\u003c\/strong\u003e and \u003cstrong\u003ereplaced by A17B-3900-0128\u003c\/strong\u003e, so stock availability and replacement compatibility should be confirmed before ordering.\u003c\/p\u003e\n\u003ch4\u003eWorldwide Shipping \u0026amp; REACO CNC Service\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorldwide Shipping:\u003c\/strong\u003e We can ship worldwide by DHL, UPS, FedEx, or other available logistics channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Handling:\u003c\/strong\u003e In-stock items can usually be shipped within 1-2 working days after payment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Tested Before Delivery:\u003c\/strong\u003e Each qualified memory module is tested or checked before shipment. Product photos or a test video can be sent before delivery when required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREACO Warranty:\u003c\/strong\u003e New or refurbished products usually include a 1-year warranty, and used 90% new products usually include a 3-month warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Technical Support:\u003c\/strong\u003e Our team can help with basic model confirmation, memory module matching, and replacement guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Information\u003c\/h4\u003e\n\u003ctable cellpadding=\"8\" cellspacing=\"0\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3900-0288\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlternative Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B39000288\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMemory Module \/ SRAM Module \/ CNC Memory Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplacement Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA17B-3900-0128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC CNC Memory Module \/ SRAM Module \/ System Memory Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC CNC System Repair, Memory Module Replacement, SRAM Data Support, and Machine Maintenance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin 1-2 working days after payment, if in stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL \/ UPS \/ FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEstimated Delivery Time via DHL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia: 1-3 business days\u003cbr\u003eEurope: 2-4 business days\u003cbr\u003eNorth America: 2-4 business days\u003cbr\u003eSouth America: 3-6 business days\u003cbr\u003eMiddle East \u0026amp; Africa: 3-6 business days\u003cbr\u003eOceania: 2-5 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew \/ Refurbished: 1-Year warranty\u003cbr\u003eUsed 90% New: 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3900-0288\u003cbr\u003eA20B39000288\u003cbr\u003eDiscontinued by Manufacturer\u003cbr\u003eMemory Module\u003cbr\u003eModule - 64MB \/ SRAM 3MB\u003cbr\u003eReplaced by A17B-3900-0128\u003cbr\u003eFANUC CNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTested or checked before delivery. Product photos or test video can be sent before shipment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnti-static protective packing and carton packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eProduct Application\u003c\/h4\u003e\n\u003cp\u003eThe FANUC \u003cstrong\u003eA20B-3900-0288\u003c\/strong\u003e memory module is mainly used for compatible FANUC CNC control system repair and maintenance. It may be required when the original memory module is damaged, unstable, missing, or causing CNC boot, system memory, SRAM, data storage, or operation-related problems.\u003c\/p\u003e\n\u003cp\u003eBecause this is a memory-related CNC component, replacement should be handled carefully. Before replacement, please confirm the original module number, CNC system model, memory capacity, SRAM data backup status, and system compatibility.\u003c\/p\u003e\n\u003ch4\u003eReplacement Note\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eA20B-3900-0288\u003c\/strong\u003e is listed as replaced by \u003cstrong\u003eA17B-3900-0128\u003c\/strong\u003e. Before using the replacement model, please confirm the original memory module, CNC system configuration, software version, SRAM capacity requirement, and machine data backup status.\u003c\/p\u003e\n\u003cp\u003eAlthough replacement models are often used for maintenance purposes, compatibility should still be checked carefully according to the actual FANUC CNC system and machine configuration.\u003c\/p\u003e\n\u003ch4\u003eQuality Control and Testing\u003c\/h4\u003e\n\u003cp\u003eFor FANUC memory modules and SRAM modules, careful checking is very important before shipment because memory module condition may directly affect CNC startup, system data storage, parameter retention, SRAM data, and machine operation. REACO CNC checks qualified products carefully and can provide real product photos or a test video before delivery when required.\u003c\/p\u003e\n\u003cp\u003eOur goal is to help customers receive reliable FANUC CNC spare parts with clear product information, careful inspection, responsive after-sales support, and practical technical assistance.\u003c\/p\u003e\n\u003ch4\u003eCompatibility Confirmation\u003c\/h4\u003e\n\u003cp\u003eBefore ordering, please confirm that the full module number on your original memory module is \u003cstrong\u003eA20B-3900-0288\u003c\/strong\u003e, or that your system supports the replacement model \u003cstrong\u003eA17B-3900-0128\u003c\/strong\u003e. Similar FANUC memory modules may have different capacities, hardware versions, SRAM configurations, CNC system compatibility, or software requirements.\u003c\/p\u003e\n\u003cp\u003ePlease back up your machine data before replacing memory-related CNC components, including parameters, programs, PMC ladder, macro variables, pitch compensation data, and SRAM data if applicable. If you are not sure whether this FANUC memory module is suitable for your machine, please send photos of the original module label, CNC system model, CPU board model, software version if available, and alarm information. REACO CNC can help check the details before purchase.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003ch4\u003eQ: What is A20B-3900-0288?\u003c\/h4\u003e\n\u003cp\u003eA20B-3900-0288 is a FANUC memory module, commonly described as a 64MB \/ SRAM 3MB module.\u003c\/p\u003e\n\u003ch4\u003eQ: Is A20B-3900-0288 a complete CNC control system?\u003c\/h4\u003e\n\u003cp\u003eNo. A20B-3900-0288 is a memory module \/ SRAM module component, not a complete CNC control system.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the memory capacity of A20B-3900-0288?\u003c\/h4\u003e\n\u003cp\u003eThis model is described as a 64MB memory module with SRAM 3MB.\u003c\/p\u003e\n\u003ch4\u003eQ: Is A20B-3900-0288 discontinued?\u003c\/h4\u003e\n\u003cp\u003eYes. This model is described as discontinued by manufacturer. Please confirm stock availability before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: What model replaces A20B-3900-0288?\u003c\/h4\u003e\n\u003cp\u003eA20B-3900-0288 is listed as replaced by A17B-3900-0128. Compatibility should still be confirmed according to the original CNC system and machine configuration.\u003c\/p\u003e\n\u003ch4\u003eQ: Should machine data be backed up before replacing this memory module?\u003c\/h4\u003e\n\u003cp\u003eYes. Before replacing a FANUC memory module, it is strongly recommended to back up parameters, programs, PMC ladder, macro variables, pitch compensation data, and SRAM data if applicable.\u003c\/p\u003e\n\u003ch4\u003eQ: Can REACO CNC test this FANUC memory module before shipment?\u003c\/h4\u003e\n\u003cp\u003eYes. REACO CNC tests or checks qualified memory modules before delivery. Product photos or a test video can be sent before shipment when required.\u003c\/p\u003e\n\u003ch4\u003eQ: What warranty does REACO CNC provide?\u003c\/h4\u003e\n\u003cp\u003eFor 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Can you help confirm compatibility before purchase?\u003c\/h4\u003e\n\u003cp\u003eYes. Please send the original module photos, full module number, CNC system model, CPU board model, software version if available, and alarm details. We will help check whether this model or the replacement model is suitable for your machine.\u003c\/p\u003e\n\u003ch4\u003eQ: Do you also provide FANUC memory module repair or replacement support?\u003c\/h4\u003e\n\u003cp\u003eYes. \u003ca href=\"https:\/\/reacocnc.com\/\" target=\"_blank\" title=\"Industrial Automation Parts \u0026amp; Repair Services - REACO CNC\" rel=\"noopener\"\u003eREACO CNC\u003c\/a\u003e provides FANUC memory module sales and replacement support. If your original module is faulty, you can \u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" target=\"_blank\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\"\u003econtact us\u003c\/a\u003e for replacement options.\u003c\/p\u003e","brand":"REACO CNC","offers":[{"title":"Brand New","offer_id":48661896265943,"sku":"A20B-3900-0288-new","price":242.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-3900-0288_Fanuc_memory_module.jpg?v=1779691767","url":"https:\/\/reacocnc.com\/it\/products\/fanuc-a20b-3900-0288","provider":"REACO CNC","version":"1.0","type":"link"}