{"product_id":"hp-ethernet-1025gb-2-port-640flr-sfp28-adapter-817749-b21-840139-001-817747-001","title":"HP Ethernet 10\/25Gb 2 Port 640FLR-SFP28 Adapter 817749-B21 840139-001 817747-001","description":"\u003cp data-end=\"527\" data-start=\"146\"\u003eThe \u003cstrong data-end=\"202\" data-start=\"150\"\u003eHPE Ethernet 10\/25Gb 2-Port 640FLR-SFP28 Adapter\u003c\/strong\u003e is a high-performance, enterprise-class network interface card designed for \u003cstrong data-end=\"318\" data-start=\"279\"\u003eHPE ProLiant Gen9 and Gen10 servers\u003c\/strong\u003e. Featuring \u003cstrong data-end=\"350\" data-start=\"330\"\u003edual SFP28 ports\u003c\/strong\u003e, this adapter supports both \u003cstrong data-end=\"411\" data-start=\"379\"\u003e10GbE and 25GbE connectivity\u003c\/strong\u003e, delivering exceptional bandwidth, low latency, and advanced offload capabilities for modern data center workloads.\u003c\/p\u003e\n\n\u003cp data-end=\"866\" data-start=\"529\"\u003ePowered by the \u003cstrong data-end=\"586\" data-start=\"544\"\u003eMellanox ConnectX-4 Lx (MCX4121A-ACAT)\u003c\/strong\u003e network processor, the 640FLR adapter provides \u003cstrong data-end=\"679\" data-start=\"634\"\u003eRDMA over Converged Ethernet (RoCE v1\/v2)\u003c\/strong\u003e, virtualization acceleration, and tunnel offloads, making it ideal for \u003cstrong data-end=\"852\" data-start=\"751\"\u003evirtualization, cloud infrastructure, software-defined networking, and high-performance computing\u003c\/strong\u003e environments.\u003c\/p\u003e\n\n\u003cp data-end=\"1043\" data-start=\"868\"\u003eThe part numbers \u003cstrong data-end=\"912\" data-start=\"885\"\u003e817749-B21 (Option Kit)\u003c\/strong\u003e, \u003cstrong data-end=\"936\" data-start=\"914\"\u003e840139-001 (Spare)\u003c\/strong\u003e, and \u003cstrong data-end=\"967\" data-start=\"942\"\u003e817747-001 (Assembly)\u003c\/strong\u003e all reference the \u003cstrong data-end=\"1008\" data-start=\"986\"\u003esame adapter model\u003c\/strong\u003e, ensuring full interchangeability.\u003c\/p\u003e\n\n\u003ch3 data-end=\"1067\" data-start=\"1045\"\u003eKey Specifications\u003c\/h3\u003e\n\n\u003cul data-end=\"1546\" data-start=\"1068\"\u003e\n\t\u003cli data-end=\"1138\" data-start=\"1068\"\u003e\n\t\u003cp data-end=\"1138\" data-start=\"1070\"\u003e\u003cstrong data-end=\"1087\" data-start=\"1070\"\u003eProduct Name:\u003c\/strong\u003e HPE Ethernet 10\/25Gb 2-Port 640FLR-SFP28 Adapter\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1199\" data-start=\"1139\"\u003e\n\t\u003cp data-end=\"1199\" data-start=\"1141\"\u003e\u003cstrong data-end=\"1162\" data-start=\"1141\"\u003eHPE Part Numbers:\u003c\/strong\u003e 817749-B21, 840139-001, 817747-001\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1242\" data-start=\"1200\"\u003e\n\t\u003cp data-end=\"1242\" data-start=\"1202\"\u003e\u003cstrong data-end=\"1218\" data-start=\"1202\"\u003eDevice Type:\u003c\/strong\u003e Network Adapter \/ NIC\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1305\" data-start=\"1243\"\u003e\n\t\u003cp data-end=\"1305\" data-start=\"1245\"\u003e\u003cstrong data-end=\"1261\" data-start=\"1245\"\u003eForm Factor:\u003c\/strong\u003e FlexibleLOM (Flexible LAN on Motherboard)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1348\" data-start=\"1306\"\u003e\n\t\u003cp data-end=\"1348\" data-start=\"1308\"\u003e\u003cstrong data-end=\"1327\" data-start=\"1308\"\u003eHost Interface:\u003c\/strong\u003e PCI Express 3.0 x8\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1415\" data-start=\"1349\"\u003e\n\t\u003cp data-end=\"1415\" data-start=\"1351\"\u003e\u003cstrong data-end=\"1374\" data-start=\"1351\"\u003eNetwork Controller:\u003c\/strong\u003e Mellanox ConnectX-4 Lx (MCX4121A-ACAT)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1440\" data-start=\"1416\"\u003e\n\t\u003cp data-end=\"1440\" data-start=\"1418\"\u003e\u003cstrong data-end=\"1428\" data-start=\"1418\"\u003ePorts:\u003c\/strong\u003e 2 × SFP28\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1482\" data-start=\"1441\"\u003e\n\t\u003cp data-end=\"1482\" data-start=\"1443\"\u003e\u003cstrong data-end=\"1464\" data-start=\"1443\"\u003eSupported Speeds:\u003c\/strong\u003e 10GbE and 25GbE\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1546\" data-start=\"1483\"\u003e\n\t\u003cp data-end=\"1546\" data-start=\"1485\"\u003e\u003cstrong data-end=\"1500\" data-start=\"1485\"\u003eMedia Type:\u003c\/strong\u003e Optical fiber (SFP28 transceivers required)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 data-end=\"1575\" data-start=\"1548\"\u003ePerformance \u0026amp; Bandwidth\u003c\/h3\u003e\n\n\u003cul data-end=\"1809\" data-start=\"1576\"\u003e\n\t\u003cli data-end=\"1632\" data-start=\"1576\"\u003e\n\t\u003cp data-end=\"1632\" data-start=\"1578\"\u003e\u003cstrong data-end=\"1601\" data-start=\"1578\"\u003ePer-Port Bandwidth:\u003c\/strong\u003e Up to 50 Gb\/s bi-directional\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1705\" data-start=\"1633\"\u003e\n\t\u003cp data-end=\"1705\" data-start=\"1635\"\u003e\u003cstrong data-end=\"1659\" data-start=\"1635\"\u003eAggregate Bandwidth:\u003c\/strong\u003e Up to 100 Gb\/s bi-directional (theoretical)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1740\" data-start=\"1706\"\u003e\n\t\u003cp data-end=\"1740\" data-start=\"1708\"\u003e\u003cstrong data-end=\"1725\" data-start=\"1708\"\u003eJumbo Frames:\u003c\/strong\u003e Up to 9.2 KB\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1809\" data-start=\"1741\"\u003e\n\t\u003cp data-end=\"1767\" data-start=\"1743\"\u003e\u003cstrong data-end=\"1765\" data-start=\"1743\"\u003ePower Consumption:\u003c\/strong\u003e\u003c\/p\u003e\n\n\t\u003cul data-end=\"1809\" data-start=\"1770\"\u003e\n\t\t\u003cli data-end=\"1789\" data-start=\"1770\"\u003e\n\t\t\u003cp data-end=\"1789\" data-start=\"1772\"\u003eTypical: 10.5 W\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\t\u003cli data-end=\"1809\" data-start=\"1792\"\u003e\n\t\t\u003cp data-end=\"1809\" data-start=\"1794\"\u003eMaximum: 14 W\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 data-end=\"1832\" data-start=\"1811\"\u003eAdvanced Features\u003c\/h3\u003e\n\n\u003cul data-end=\"2260\" data-start=\"1833\"\u003e\n\t\u003cli data-end=\"1915\" data-start=\"1833\"\u003e\n\t\u003cp data-end=\"1915\" data-start=\"1835\"\u003e\u003cstrong data-end=\"1852\" data-start=\"1835\"\u003eRDMA Support:\u003c\/strong\u003e RoCE v1 and RoCE v2 for ultra-low latency and CPU efficiency\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1995\" data-start=\"1916\"\u003e\n\t\u003cp data-end=\"1995\" data-start=\"1918\"\u003e\u003cstrong data-end=\"1938\" data-start=\"1918\"\u003eTunnel Offloads:\u003c\/strong\u003e VXLAN and NVGRE offload to optimize overlay networking\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2065\" data-start=\"1996\"\u003e\n\t\u003cp data-end=\"2065\" data-start=\"1998\"\u003e\u003cstrong data-end=\"2022\" data-start=\"1998\"\u003eProtocol Offloading:\u003c\/strong\u003e TCP\/IP, UDP\/IP checksum offload, LSO\/TSO\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2128\" data-start=\"2066\"\u003e\n\t\u003cp data-end=\"2128\" data-start=\"2068\"\u003e\u003cstrong data-end=\"2087\" data-start=\"2068\"\u003eVirtualization:\u003c\/strong\u003e SR-IOV, VMware NetQueue, Microsoft VMQ\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2193\" data-start=\"2129\"\u003e\n\t\u003cp data-end=\"2193\" data-start=\"2131\"\u003e\u003cstrong data-end=\"2156\" data-start=\"2131\"\u003eNetworking Standards:\u003c\/strong\u003e IPv4\/IPv6, full-duplex, LACP, LLDP\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2260\" data-start=\"2194\"\u003e\n\t\u003cp data-end=\"2260\" data-start=\"2196\"\u003e\u003cstrong data-end=\"2220\" data-start=\"2196\"\u003eManagement Features:\u003c\/strong\u003e Wake-on-LAN (WoL), link\/activity LEDs\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 data-end=\"2286\" data-start=\"2262\"\u003eServer Compatibility\u003c\/h3\u003e\n\n\u003cul data-end=\"2463\" data-start=\"2287\"\u003e\n\t\u003cli data-end=\"2396\" data-start=\"2287\"\u003e\n\t\u003cp data-end=\"2315\" data-start=\"2289\"\u003e\u003cstrong data-end=\"2313\" data-start=\"2289\"\u003eSupported Platforms:\u003c\/strong\u003e\u003c\/p\u003e\n\n\t\u003cul data-end=\"2396\" data-start=\"2318\"\u003e\n\t\t\u003cli data-end=\"2357\" data-start=\"2318\"\u003e\n\t\t\u003cp data-end=\"2357\" data-start=\"2320\"\u003eHPE ProLiant Gen9 and Gen10 servers\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\t\u003cli data-end=\"2396\" data-start=\"2360\"\u003e\n\t\t\u003cp data-end=\"2396\" data-start=\"2362\"\u003eHPE DL-series and Apollo systems\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2463\" data-start=\"2397\"\u003e\n\t\u003cp data-end=\"2463\" data-start=\"2399\"\u003e\u003cstrong data-end=\"2416\" data-start=\"2399\"\u003eDesigned For:\u003c\/strong\u003e FlexibleLOM-enabled HPE server architectures\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 data-end=\"2484\" data-start=\"2465\"\u003eIdeal Use Cases\u003c\/h3\u003e\n\n\u003cul data-end=\"2675\" data-start=\"2485\"\u003e\n\t\u003cli data-end=\"2520\" data-start=\"2485\"\u003e\n\t\u003cp data-end=\"2520\" data-start=\"2487\"\u003eVirtualized server environments\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2562\" data-start=\"2521\"\u003e\n\t\u003cp data-end=\"2562\" data-start=\"2523\"\u003eCloud and software-defined networking\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2599\" data-start=\"2563\"\u003e\n\t\u003cp data-end=\"2599\" data-start=\"2565\"\u003eHigh-performance computing (HPC)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2635\" data-start=\"2600\"\u003e\n\t\u003cp data-end=\"2635\" data-start=\"2602\"\u003eStorage and database networking\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2675\" data-start=\"2636\"\u003e\n\t\u003cp data-end=\"2675\" data-start=\"2638\"\u003eLow-latency enterprise data centers\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-end=\"2934\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"2677\"\u003eThe \u003cstrong data-end=\"2727\" data-start=\"2681\"\u003eHPE 640FLR-SFP28 10\/25Gb Dual-Port Adapter\u003c\/strong\u003e delivers \u003cstrong data-end=\"2827\" data-start=\"2737\"\u003eenterprise-grade performance, advanced offload technologies, and flexible connectivity\u003c\/strong\u003e, making it a reliable and scalable networking solution for modern \u003cstrong data-end=\"2933\" data-start=\"2894\"\u003eHPE ProLiant server infrastructures\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"HPE","offers":[{"title":"Default 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