{"id":"amd-amd-epyc-9556-8e71457b9b","brand":"AMD","brandSlug":"amd","identifier":"AMD EPYC™ 9556","name":"AMD AMD EPYC™ 9556 — Processors","identityKind":"processor-model","category":"processors","specifications":[{"label":"CPU cores","value":"64","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Threads","value":"128","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Base clock","value":"2.75 GHz","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Maximum boost clock","value":"4.3 GHz","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Default CPU power","value":"300 W","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Processor platform","value":"SP7","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Supported socket configurations","value":"1P / 2P","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"L3 cache","value":"384 MB","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Memory type","value":"DDR5 RDIMM | MRDIMM","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Memory channels","value":"16","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Memory specification","value":"8000 / 12800 MT/s","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"PCI Express","value":"PCIe® 6.0 x96","sourceId":"processor-products","recordId":"amd-epyc-9556","verificationStatus":"unverified_inherited"},{"label":"Title-derived · processor family","value":"AMD EPYC","sourceId":"title-derived-v27-1","verificationStatus":"unverified_inherited"},{"label":"Series","value":"EPYC 9006 Series","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.series","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"# of CPU Cores","value":"64","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.numOfCpuCores","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"# of Threads","value":"128","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.numOfThreads","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Max. Boost Clock","value":"Up to 4.3 GHz","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.maxBoostClock","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Base Clock","value":"2.75 GHz","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.baseClock","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"L3 Cache","value":"384 MB","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.l3Cache","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Default CPU Power","value":"300","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.defaultCpuPower","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Platform","value":"SP7","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.cpuSocket","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Socket Count","value":"1P, 2P","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.socketCount","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"PCI Express Version","value":"PCIe 6.0 x96","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.pciExpressVersion","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"System Memory Type","value":"DDR5 RDIMM | MRDIMM","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.systemMemoryType","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Memory Channels","value":"16","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.memoryChannels","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"System Memory Specification","value":"Up to 8000, 12800","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.systemMemorySpecification","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Per Socket Mem BW","value":"1024, 1638","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.perSocketMemBw","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Product ID Tray","value":"100-000001647","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.productIdTray","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"AMD Infinity Guard","value":"Yes","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.amdInfinityGuard","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"},{"label":"Supported Technologies","value":"AMD Infinity Guard, AMD Infinity Architecture","status":"oem_catalog_verified","sourceType":"oem_public_catalog","sourceUrl":"https://www.amd.com/en/products/specifications/server-processor.html","sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"].elements.supportedTechnologies","verificationStatus":"oem_catalog_verified","sourceId":"oem_public_catalog","accessedAt":"2026-09-12T08:51:37.238Z"}],"sourceRefs":[{"sourceId":"processor-products","recordId":"amd-epyc-9556"}],"legacyUrls":["/processors/products/amd-epyc-9556"],"platformIds":[],"officialSources":[{"label":"AMD official product specifications table","url":"https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9556.html","status":"Source-listed identity; technical fields require review","sourceType":"oem_public_catalog","confidence":"high","accessedAt":"2026-09-12T08:51:37.238Z","collectedFrom":"https://www.amd.com/en/products/specifications/server-processor.html","sha256":"8f2f011e99999b365bfe0aa309f50f535c1fa65b736223fdf606237132de981d"}],"aliases":["100-000001647","EPYC 9556","AMD EPYC 9556"],"stockStatus":"quotation-required","price":null,"exactPhoto":null,"categoryLabel":"Processors","reviewStatus":"oem-catalog-partial-review","technicalFieldCount":30,"href":"/explore/product/amd-amd-epyc-9556-8e71457b9b","searchText":"amd amd epyc™ 9556 — processors amd epyc™ 9556 amd processors  100-000001647 epyc 9556 amd epyc 9556 cpu cores 64 threads 128 base clock 2.75 ghz maximum boost clock 4.3 ghz default cpu power 300 w processor platform sp7 supported socket configurations 1p / 2p l3 cache 384 mb memory type ddr5 rdimm | mrdimm memory channels 16 memory specification 8000 / 12800 mt/s pci express pcie® 6.0 x96 title-derived · processor family amd epyc series epyc 9006 series # of cpu cores 64 # of threads 128 max. boost clock up to 4.3 ghz base clock 2.75 ghz l3 cache 384 mb default cpu power 300 platform sp7 socket count 1p, 2p pci express version pcie 6.0 x96 system memory type ddr5 rdimm | mrdimm memory channels 16 system memory specification up to 8000, 12800 per socket mem bw 1024, 1638 product id tray 100-000001647 amd infinity guard yes supported technologies amd infinity guard, amd infinity architecture","titleDerivedSpecs":[{"label":"Title-derived · processor family","value":"AMD EPYC","sourceId":"title-derived-v27-1"}],"englishContent":"Prepare an ASTER RACKIT sourcing request for AMD EPYC™ 9556. Record the exact part number, required quantity and destination system. Review the listed evidence and confirm the offered unit, accessories and compatibility before purchase","facets":{"interface":["DDR5","PCIe"],"capacity":["384MB"],"generation":[],"lifecycle":["unverified"]},"facetEvidence":"Facets include unverified source assertions. Inspect field-level provenance before relying on them.","indexEligible":true,"externalCollectionSource":true,"sourceEvidence":[{"url":"https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9556.html","collectedFrom":"https://www.amd.com/en/products/specifications/server-processor.html","retrievedAt":"2026-09-12T08:51:37.238Z","sourceType":"oem_public_catalog","sourceName":"AMD official product specifications table","confidence":"high","sha256":"8f2f011e99999b365bfe0aa309f50f535c1fa65b736223fdf606237132de981d","rawFile":"raw/www.amd.com-_en_products_specifications_server-processor.html-3db92cfecb.txt","fieldsSupported":["official model name","Series","# of CPU Cores","# of Threads","Max. Boost Clock","Base Clock","L3 Cache","Default CPU Power","Platform","Socket Count","PCI Express Version","System Memory Type","Memory Channels","System Memory Specification","Per Socket Mem BW","Product ID Tray","AMD Infinity Guard","Supported Technologies"],"sourceLocator":"data-json.items[name=\"AMD EPYC 9556\"]","limitations":["The public specifications table was fetched. Linked individual product pages are not claimed as separately fetched. Only supplied fields and explicit qualifiers are verified; absent fields remain unverified."]}],"fieldVerification":{"identifier":"oem_catalog_verified","productFamily":"oem_catalog_verified","category":"oem_catalog_verified","chassis":"unverified","height":"unverified","driveBays":"not_applicable_to_component","ports":"unverified","cpu":"oem_catalog_listed_fields_verified","gpu":"not_applicable_to_component","memory":"oem_catalog_listed_fields_verified","storage":"not_applicable_to_component","power":"oem_catalog_listed_fields_verified","network":"unverified","management":"unverified","lifecycle":"unverified"},"identityStatus":"oem_catalog_verified","fieldVerificationEvidence":[{"incomingId":"harvest-amd-epyc-9556-4d55528e59","assertedIdentifier":"EPYC 9556","associationStatus":"unique_category_match","fieldStatuses":{"identifier":"oem_catalog_verified","productFamily":"oem_catalog_verified","category":"oem_catalog_verified","chassis":"unverified","height":"unverified","driveBays":"not_applicable_to_component","ports":"unverified","cpu":"oem_catalog_listed_fields_verified","gpu":"not_applicable_to_component","memory":"oem_catalog_listed_fields_verified","storage":"not_applicable_to_component","power":"oem_catalog_listed_fields_verified","network":"unverified","management":"unverified","lifecycle":"unverified"},"sources":[{"url":"https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9556.html","collectedFrom":"https://www.amd.com/en/products/specifications/server-processor.html","retrievedAt":"2026-09-12T08:51:37.238Z","sourceType":"oem_public_catalog","sha256":"8f2f011e99999b365bfe0aa309f50f535c1fa65b736223fdf606237132de981d"}]}],"unverifiedFields":["complete platform compatibility","complete mechanical integration requirements","all omitted source fields","current stock availability","production lifecycle beyond any explicit launch date"],"collectionDedupKey":"AMD|9556|SERVERPROCESSORS|PROCESSORS","referenceSources":[],"oemCatalogEvidence":{"fieldsReviewed":17,"fieldsObserved":0,"allParametersVerified":false}}