{"product_id":"fanuc-a20b-2901-0941","title":"Fanuc A20B-2901-0941","description":"\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-thinking\" dir=\"auto\" data-message-id=\"e3464ee0-26f1-42e9-9c4f-0e3c175d7baa\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch3 data-end=\"477\" data-start=\"445\"\u003eA20B-2901-0941 Fanuc DRAM Module\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"1225\" data-start=\"479\" style=\"width: 100.087%; height: 421.468px;\"\u003e\n\u003ctbody data-end=\"1225\" data-start=\"495\"\u003e\n\u003ctr data-end=\"516\" data-start=\"495\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"507\" data-start=\"495\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"506\" data-start=\"497\"\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"516\" data-start=\"507\" data-col-size=\"xl\" style=\"width: 50.696%; height: 19.5938px;\"\u003eFanuc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"545\" data-start=\"517\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"529\" data-start=\"517\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"528\" data-start=\"519\"\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"545\" data-start=\"529\" data-col-size=\"xl\" style=\"width: 50.696%; height: 19.5938px;\"\u003eA20B29010941\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"593\" data-start=\"546\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"566\" data-start=\"546\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"565\" data-start=\"548\"\u003eHandling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"593\" data-start=\"566\" data-col-size=\"xl\" style=\"width: 50.696%; height: 19.5938px;\"\u003ewithin 1-2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"637\" data-start=\"594\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"616\" data-start=\"594\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"615\" data-start=\"596\"\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-end=\"637\" data-start=\"616\" style=\"width: 50.696%; height: 19.5938px;\"\u003eDHL \/ UPS \/ FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"879\" data-start=\"638\" style=\"height: 117.562px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"678\" data-start=\"638\" style=\"width: 46.4444%; height: 117.562px;\"\u003e\u003cstrong data-end=\"677\" data-start=\"640\"\u003eEstimated Delivery Time (via DHL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"879\" data-start=\"678\" data-col-size=\"xl\" style=\"width: 50.696%; height: 117.562px;\"\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 data-end=\"969\" data-start=\"880\" style=\"height: 39.1875px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"895\" data-start=\"880\" style=\"width: 46.4444%; height: 39.1875px;\"\u003e\u003cstrong data-end=\"894\" data-start=\"882\"\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-end=\"969\" data-start=\"895\" style=\"width: 50.696%; height: 39.1875px;\"\u003eNEW \/ Refurbished: 1-Year warranty\u003cbr\u003eUsed (90% New): 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1021\" data-start=\"970\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"985\" data-start=\"970\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"984\" data-start=\"972\"\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-end=\"1021\" data-start=\"985\" style=\"width: 50.696%; height: 19.5938px;\"\u003ePCB \/ DRAM Module \/ Memory Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1141\" data-start=\"1022\" style=\"height: 117.562px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1050\" data-start=\"1022\" style=\"width: 46.4444%; height: 117.562px;\"\u003e\u003cstrong data-end=\"1049\" data-start=\"1024\"\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1141\" data-start=\"1050\" data-col-size=\"xl\" style=\"width: 50.696%; height: 117.562px;\"\u003eA20B29010941\u003cbr\u003eDISCONTINUED BY MANUFACTURER\u003cbr\u003ePC BOARD\u003cbr\u003eDRAM MODULE\u003cbr\u003e4 MEG\u003cbr\u003eCNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1199\" data-start=\"1142\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1156\" data-start=\"1142\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"1155\" data-start=\"1144\"\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1199\" data-start=\"1156\" data-col-size=\"xl\" style=\"width: 50.696%; height: 19.5938px;\"\u003eTest video will be sent before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1225\" data-start=\"1200\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1214\" data-start=\"1200\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-end=\"1213\" data-start=\"1202\"\u003ePacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-end=\"1225\" data-start=\"1214\" style=\"width: 50.696%; height: 19.5938px;\"\u003eCartons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"1589\" data-start=\"1227\"\u003eThe \u003cstrong data-end=\"1249\" data-start=\"1231\"\u003eA20B-2901-0941\u003c\/strong\u003e is a Fanuc \u003cstrong data-end=\"1276\" data-start=\"1261\"\u003eDRAM module\u003c\/strong\u003e used in CNC systems where stable memory performance is important for reliable control operation. Identified as a \u003cstrong data-end=\"1411\" data-start=\"1390\"\u003e4 MEG DRAM module\u003c\/strong\u003e, this PC board supports the memory-side function of the CNC control system and helps maintain normal processing, data handling, and system response in installed Fanuc equipment.\u003c\/p\u003e\n\u003cp data-end=\"1988\" data-start=\"1591\"\u003eBecause this model has been \u003cstrong data-end=\"1655\" data-start=\"1619\"\u003ediscontinued by the manufacturer\u003c\/strong\u003e, it is now mainly requested by customers maintaining older Fanuc-controlled machines, replacing failed memory modules, or preparing spare stock for long-term support. In real service work, the \u003cstrong data-end=\"1867\" data-start=\"1849\"\u003eA20B 2901 0941\u003c\/strong\u003e remains important because memory-related faults can affect system behavior in ways that are not always obvious at first.\u003c\/p\u003e\n\u003cp data-end=\"2158\" data-start=\"1990\"\u003eAt \u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Robot Parts, CNC Parts \u0026amp; Automation Support - REACO CNC\" href=\"https:\/\/reacocnc.com\/\" target=\"_blank\"\u003eREACO\u003c\/a\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" target=\"_blank\" title=\"FANUC CNC Parts \u0026amp; Industrial Repair - REACO CNC\" rel=\"noopener\"\u003e \u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Robot Parts, CNC Parts \u0026amp; Automation Support - REACO CNC\" href=\"https:\/\/reacocnc.com\/\" target=\"_blank\"\u003eCNC\u003c\/a\u003e, we supply dependable \u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Shop for Fanuc CNC \u0026amp; Robot Parts\" href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\" target=\"_blank\"\u003e\u003cstrong data-end=\"1885\" data-start=\"1870\"\u003eFanuc parts\u003c\/strong\u003e\u003c\/a\u003e for customers who need replacement DRAM modules, backup stock, or \u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\"\u003e\u003cstrong data-end=\"1977\" data-start=\"1961\"\u003eFanuc repair\u003c\/strong\u003e\u003c\/a\u003e support for installed CNC systems.\u003c\/p\u003e\n\u003cp data-end=\"2611\" data-start=\"2160\"\u003eThe \u003cstrong data-end=\"2199\" data-start=\"2164\"\u003eA20B-2901-0941 Fanuc memory PCB\u003c\/strong\u003e is especially relevant in CNC systems where the original memory configuration must be kept stable. Compared with a large main board or drive module, a DRAM module may look simple, but it can still be critical to the control system’s normal operation. If memory-side hardware becomes unstable, the machine may show startup issues, data-related faults, intermittent control problems, or irregular system response.\u003c\/p\u003e\n\u003cp data-end=\"2794\" data-start=\"2613\"\u003eFor many maintenance teams, replacing the correct \u003cstrong data-end=\"2681\" data-start=\"2663\"\u003eA20B-2901-0941\u003c\/strong\u003e is often the most practical way to restore the original memory structure and reduce unnecessary troubleshooting.\u003c\/p\u003e\n\u003cp data-end=\"2835\" data-start=\"2796\"\u003eThis board is commonly associated with:\u003c\/p\u003e\n\u003cul data-end=\"3030\" data-start=\"2837\"\u003e\n\u003cli data-end=\"2858\" data-start=\"2837\" data-section-id=\"19nlz0v\"\u003eFanuc CNC systems\u003c\/li\u003e\n\u003cli data-end=\"2895\" data-start=\"2859\" data-section-id=\"17jhlv9\"\u003eDRAM memory support applications\u003c\/li\u003e\n\u003cli data-end=\"2931\" data-start=\"2896\" data-section-id=\"1ebccmu\"\u003e4 MEG memory module replacement\u003c\/li\u003e\n\u003cli data-end=\"2962\" data-start=\"2932\" data-section-id=\"qt3cab\"\u003eControl memory maintenance\u003c\/li\u003e\n\u003cli data-end=\"3030\" data-start=\"2963\" data-section-id=\"1so7syc\"\u003eService work requiring original-compatible \u003cstrong data-end=\"3030\" data-start=\"3008\"\u003eFanuc control PCBs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3285\" data-start=\"3032\"\u003eIt may also be sourced together with related memory boards, main control PCBs, PMC modules, interface boards, \u003cstrong data-end=\"3162\" data-start=\"3142\"\u003eFanuc controller\u003c\/strong\u003e parts, \u003cstrong data-end=\"3189\" data-start=\"3170\"\u003eservo amplifier\u003c\/strong\u003e units, \u003cstrong data-end=\"3214\" data-start=\"3197\"\u003espindle drive\u003c\/strong\u003e units, and other CNC electronic assemblies during broader repair work.\u003c\/p\u003e\n\u003cp data-end=\"3350\" data-start=\"3287\"\u003eDepending on stock availability, this board may be supplied in:\u003c\/p\u003e\n\u003cul data-end=\"3414\" data-start=\"3352\"\u003e\n\u003cli data-end=\"3369\" data-start=\"3352\" data-section-id=\"1jqn1mv\"\u003eNew condition\u003c\/li\u003e\n\u003cli data-end=\"3395\" data-start=\"3370\" data-section-id=\"1op2ke4\"\u003eRefurbished condition\u003c\/li\u003e\n\u003cli data-end=\"3414\" data-start=\"3396\" data-section-id=\"1u2nacc\"\u003eUsed condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3597\" data-start=\"3416\"\u003eFor discontinued memory modules, refurbished stock is often a practical choice. It helps customers keep older CNC systems operating while controlling both repair cost and lead time.\u003c\/p\u003e\n\u003cp data-end=\"3664\" data-start=\"3599\"\u003eCustomers usually look for the \u003cstrong data-end=\"3648\" data-start=\"3630\"\u003eA20B-2901-0941\u003c\/strong\u003e when they need:\u003c\/p\u003e\n\u003cul data-end=\"3942\" data-start=\"3666\"\u003e\n\u003cli data-end=\"3715\" data-start=\"3666\" data-section-id=\"6dob0z\"\u003eA direct replacement for a faulty DRAM module\u003c\/li\u003e\n\u003cli data-end=\"3766\" data-start=\"3716\" data-section-id=\"antq6f\"\u003eSupport for discontinued Fanuc memory hardware\u003c\/li\u003e\n\u003cli data-end=\"3818\" data-start=\"3767\" data-section-id=\"x7d061\"\u003eReliable \u003cstrong data-end=\"3793\" data-start=\"3778\"\u003eFanuc stock\u003c\/strong\u003e for legacy CNC systems\u003c\/li\u003e\n\u003cli data-end=\"3885\" data-start=\"3819\" data-section-id=\"1cgxkil\"\u003eAccess to dependable \u003cstrong data-end=\"3857\" data-start=\"3842\"\u003eFanuc parts\u003c\/strong\u003e for memory-related repair\u003c\/li\u003e\n\u003cli data-end=\"3942\" data-start=\"3886\" data-section-id=\"yq2gaz\"\u003eHelp deciding between replacement and \u003cstrong data-end=\"3942\" data-start=\"3926\"\u003eFanuc repair\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"4235\" data-start=\"3944\"\u003eIn real production environments, memory-related issues can slow down diagnosis because the symptoms may appear across several parts of the control system. Having the correct \u003cstrong data-end=\"4136\" data-start=\"4118\"\u003eA20B-2901-0941\u003c\/strong\u003e available can make repair work more direct and help return the machine to stable operation faster.\u003c\/p\u003e\n\u003cp data-end=\"4497\" data-start=\"4237\"\u003eREACO CNC supports both direct replacement supply and \u003cstrong data-end=\"4307\" data-start=\"4291\"\u003eFanuc repair\u003c\/strong\u003e inquiries. If your original \u003cstrong data-end=\"4354\" data-start=\"4336\"\u003eA20B-2901-0941\u003c\/strong\u003e is damaged, we can help review whether repair is practical or whether replacement is the better option based on stock, condition, and urgency.\u003c\/p\u003e\n\u003cp data-end=\"4756\" data-start=\"4499\"\u003eWe also support sourcing for related \u003cstrong data-end=\"4551\" data-start=\"4536\"\u003eFanuc parts\u003c\/strong\u003e, including DRAM modules, memory boards, main PCBs, PMC modules, interface boards, \u003cstrong data-end=\"4653\" data-start=\"4634\"\u003eservo amplifier\u003c\/strong\u003e modules, \u003cstrong data-end=\"4680\" data-start=\"4663\"\u003espindle drive\u003c\/strong\u003e units, and other CNC electronic assemblies used in installed Fanuc systems.\u003c\/p\u003e\n\u003cp data-end=\"5032\" data-start=\"4758\"\u003eFor many factories, older Fanuc controls are still valuable production assets. A correct \u003cstrong data-end=\"4865\" data-start=\"4847\"\u003eA20B 2901 0941\u003c\/strong\u003e replacement can help preserve the original memory configuration, reduce downtime, and keep maintenance work more manageable without changing the wider control system.\u003c\/p\u003e\n\u003ch4 data-end=\"5042\" data-start=\"5034\"\u003eFAQ\u003c\/h4\u003e\n\u003cp data-end=\"5120\" data-start=\"5044\"\u003e\u003cstrong data-end=\"5071\" data-start=\"5044\"\u003eWhat is A20B-2901-0941?\u003c\/strong\u003e\u003cbr data-end=\"5074\" data-start=\"5071\"\u003eIt is a Fanuc DRAM module used in CNC systems.\u003c\/p\u003e\n\u003cp data-end=\"5200\" data-start=\"5122\"\u003e\u003cstrong data-end=\"5159\" data-start=\"5122\"\u003eWhat is this board identified as?\u003c\/strong\u003e\u003cbr data-end=\"5162\" data-start=\"5159\"\u003eIt is identified as a \u003cstrong data-end=\"5199\" data-start=\"5184\"\u003eDRAM module\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"5282\" data-start=\"5202\"\u003e\u003cstrong data-end=\"5253\" data-start=\"5202\"\u003eWhat memory capacity is listed for this module?\u003c\/strong\u003e\u003cbr data-end=\"5256\" data-start=\"5253\"\u003eIt is listed as \u003cstrong data-end=\"5281\" data-start=\"5272\"\u003e4 MEG\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"5380\" data-start=\"5284\"\u003e\u003cstrong data-end=\"5319\" data-start=\"5284\"\u003eIs A20B-2901-0941 discontinued?\u003c\/strong\u003e\u003cbr data-end=\"5322\" data-start=\"5319\"\u003eYes. This model has been discontinued by the manufacturer.\u003c\/p\u003e\n\u003cp data-end=\"5494\" data-start=\"5382\"\u003e\u003cstrong data-end=\"5414\" data-start=\"5382\"\u003eWhat is this board used for?\u003c\/strong\u003e\u003cbr data-end=\"5417\" data-start=\"5414\"\u003eIt is used to support memory-side functions inside Fanuc CNC control systems.\u003c\/p\u003e\n\u003cp data-end=\"5610\" data-start=\"5496\"\u003e\u003cstrong data-end=\"5531\" data-start=\"5496\"\u003eCan A20B-2901-0941 be repaired?\u003c\/strong\u003e\u003cbr data-end=\"5534\" data-start=\"5531\"\u003eYes. Repair may be possible depending on the board condition and fault type.\u003c\/p\u003e\n\u003cp data-end=\"5710\" data-start=\"5612\"\u003e\u003cstrong data-end=\"5650\" data-start=\"5612\"\u003eDo you provide worldwide shipping?\u003c\/strong\u003e\u003cbr data-end=\"5653\" data-start=\"5650\"\u003eYes. We supply Fanuc parts to customers around the world.\u003c\/p\u003e\n\u003chr data-end=\"5715\" data-start=\"5712\"\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"5855\" data-start=\"5717\"\u003e\u003cstrong data-end=\"5769\" data-start=\"5717\"\u003eNeed pricing or availability for A20B-2901-0941?\u003c\/strong\u003e\u003cbr data-end=\"5772\" data-start=\"5769\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca rel=\"noopener\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" href=\"https:\/\/reacocnc.com\/pages\/contact-us\" target=\"_blank\"\u003eContact REACO CNC\u003c\/a\u003e for stock status, repair support, and worldwide shipping options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"REACO CNC","offers":[{"title":"Brand New","offer_id":48593259036887,"sku":"A20B-2901-0941-new","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/fanuc-a20b-2901-0941-dram-memory-module-main-buy-repair.jpg?v=1778231509","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-2901-0941","provider":"REACO CNC","version":"1.0","type":"link"}