{"product_id":"dell-mellanox-connectx-4-cx455a-100gbe-edr-ib-qsfp28-qsfp-pcie-nic-0jjn39","title":"Dell Mellanox ConnectX-4 CX455A 100GbE EDR IB QSFP28 QSFP+ PCIe NIC 0JJN39 JJN39","description":"\u003cp data-end=\"253\" data-start=\"169\"\u003e\u003cstrong data-end=\"251\" data-start=\"169\"\u003eDell JJN39 (Mellanox ConnectX-4 CX455A) 100Gb VPI Network Interface Card (NIC)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-end=\"607\" data-start=\"255\"\u003eThe \u003cstrong data-end=\"273\" data-start=\"259\"\u003eDell JJN39\u003c\/strong\u003e is a high-performance 100Gb network adapter based on \u003cstrong data-end=\"370\" data-start=\"327\"\u003eMellanox (now NVIDIA) ConnectX-4 CX455A\u003c\/strong\u003e technology. Designed for \u003cstrong data-end=\"432\" data-start=\"396\"\u003ehigh-performance computing (HPC)\u003c\/strong\u003e, \u003cstrong data-end=\"461\" data-start=\"434\"\u003eenterprise data centers\u003c\/strong\u003e, and \u003cstrong data-end=\"495\" data-start=\"467\"\u003eadvanced storage systems\u003c\/strong\u003e, this \u003cstrong data-end=\"522\" data-start=\"502\"\u003eDell-branded NIC\u003c\/strong\u003e delivers exceptional data transfer speeds and low latency for demanding workloads.\u003c\/p\u003e\n\n\u003cp data-end=\"628\" data-start=\"609\"\u003e\u003cstrong data-end=\"626\" data-start=\"609\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul data-end=\"1129\" data-start=\"629\"\u003e\n\t\u003cli data-end=\"689\" data-start=\"629\"\u003e\n\t\u003cp data-end=\"689\" data-start=\"631\"\u003e\u003cstrong data-end=\"641\" data-start=\"631\"\u003eModel:\u003c\/strong\u003e ConnectX-4 CX455A (Dell Part #JJN39 \/ 0JJN39)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"749\" data-start=\"690\"\u003e\n\t\u003cp data-end=\"749\" data-start=\"692\"\u003e\u003cstrong data-end=\"709\" data-start=\"692\"\u003eConnectivity:\u003c\/strong\u003e Single-port 100Gbps network interface\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"817\" data-start=\"750\"\u003e\n\t\u003cp data-end=\"817\" data-start=\"752\"\u003e\u003cstrong data-end=\"766\" data-start=\"752\"\u003eInterface:\u003c\/strong\u003e PCI Express (PCIe) 3.0 x16 for maximum bandwidth\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"960\" data-start=\"818\"\u003e\n\t\u003cp data-end=\"960\" data-start=\"820\"\u003e\u003cstrong data-end=\"834\" data-start=\"820\"\u003eProtocols:\u003c\/strong\u003e Virtual Protocol Interconnect (VPI) supporting both \u003cstrong data-end=\"914\" data-start=\"887\"\u003e100Gb Ethernet (100GbE)\u003c\/strong\u003e and \u003cstrong data-end=\"958\" data-start=\"919\"\u003eEnhanced Data Rate (EDR) InfiniBand\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1037\" data-start=\"961\"\u003e\n\t\u003cp data-end=\"1037\" data-start=\"963\"\u003e\u003cstrong data-end=\"977\" data-start=\"963\"\u003eConnector:\u003c\/strong\u003e One QSFP28 port (transceivers and cables sold separately)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1129\" data-start=\"1038\"\u003e\n\t\u003cp data-end=\"1129\" data-start=\"1040\"\u003e\u003cstrong data-end=\"1056\" data-start=\"1040\"\u003eForm Factor:\u003c\/strong\u003e Low-profile plug-in card, ideal for Dell PowerEdge and compact servers\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-end=\"1160\" data-start=\"1131\"\u003e\u003cstrong data-end=\"1158\" data-start=\"1131\"\u003ePerformance Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul data-end=\"1699\" data-start=\"1161\"\u003e\n\t\u003cli data-end=\"1318\" data-start=\"1161\"\u003e\n\t\u003cp data-end=\"1318\" data-start=\"1163\"\u003e\u003cstrong data-end=\"1191\" data-start=\"1163\"\u003eDual-mode VPI technology\u003c\/strong\u003e allows seamless switching between InfiniBand and Ethernet modes, providing flexibility for evolving network infrastructures.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1444\" data-start=\"1319\"\u003e\n\t\u003cp data-end=\"1444\" data-start=\"1321\"\u003e\u003cstrong data-end=\"1353\" data-start=\"1321\"\u003e100Gb EDR InfiniBand support\u003c\/strong\u003e ensures ultra-low latency and high throughput for HPC and large-scale data applications.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1551\" data-start=\"1445\"\u003e\n\t\u003cp data-end=\"1551\" data-start=\"1447\"\u003e\u003cstrong data-end=\"1475\" data-start=\"1447\"\u003eHardware offload engines\u003c\/strong\u003e reduce CPU overhead, enhancing overall system performance and efficiency.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1699\" data-start=\"1552\"\u003e\n\t\u003cp data-end=\"1699\" data-start=\"1554\"\u003e\u003cstrong data-end=\"1620\" data-start=\"1554\"\u003eOptimized for big data, cloud computing, and storage solutions\u003c\/strong\u003e, ensuring reliable, high-speed data transfer across enterprise environments.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-end=\"1867\" data-start=\"1701\"\u003eUpgrade your server with the \u003cstrong data-end=\"1775\" data-start=\"1730\"\u003eDell JJN39 Mellanox ConnectX-4 CX455A NIC\u003c\/strong\u003e to achieve superior speed, scalability, and performance in modern data center operations.\u003c\/p\u003e\n\n\u003ch3 data-end=\"336\" data-start=\"297\"\u003e\u003cstrong data-end=\"334\" data-start=\"301\"\u003eCompatibility and Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"670\" data-start=\"338\"\u003eThe \u003cstrong data-end=\"384\" data-start=\"342\"\u003eDell JJN39 (Mellanox ConnectX-4 100Gb)\u003c\/strong\u003e Network Interface Card is engineered for seamless integration with \u003cstrong data-end=\"495\" data-start=\"452\"\u003ehigh-performance Dell PowerEdge servers\u003c\/strong\u003e and enterprise-grade networking hardware. Designed for demanding workloads, it ensures smooth operation in environments requiring \u003cstrong data-end=\"654\" data-start=\"626\"\u003e100GbE or EDR InfiniBand\u003c\/strong\u003e connectivity.\u003c\/p\u003e\n\n\u003chr data-end=\"675\" data-start=\"672\"\u003e\n\u003ch3 data-end=\"710\" data-start=\"677\"\u003e\u003cstrong data-end=\"708\" data-start=\"681\"\u003eCompatible Dell Servers\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul data-end=\"1200\" data-start=\"711\"\u003e\n\t\u003cli data-end=\"993\" data-start=\"711\"\u003e\n\t\u003cp data-end=\"993\" data-start=\"713\"\u003e\u003cstrong data-end=\"740\" data-start=\"713\"\u003eDell PowerEdge Servers:\u003c\/strong\u003e Fully compatible with \u003cstrong data-end=\"815\" data-start=\"763\"\u003e13th- and 14th-generation Dell PowerEdge systems\u003c\/strong\u003e (including R640, R740, and newer models) that support \u003cstrong data-end=\"886\" data-start=\"870\"\u003ePCIe 3.0 x16\u003c\/strong\u003e slots.\u003cbr data-end=\"896\" data-start=\"893\"\u003e\n\tIdeal for servers handling \u003cstrong data-end=\"990\" data-start=\"925\"\u003edata analytics, virtualization, HPC, and storage applications\u003c\/strong\u003e.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1200\" data-start=\"994\"\u003e\n\t\u003cp data-end=\"1200\" data-start=\"996\"\u003e\u003cstrong data-end=\"1025\" data-start=\"996\"\u003eModular Server Platforms:\u003c\/strong\u003e The adapter also fits within \u003cstrong data-end=\"1087\" data-start=\"1055\"\u003eDell modular infrastructures\u003c\/strong\u003e, such as the \u003cstrong data-end=\"1118\" data-start=\"1101\"\u003ePowerEdge FX2\u003c\/strong\u003e, supporting flexible, high-bandwidth networking in compact data center designs.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"1205\" data-start=\"1202\"\u003e\n\u003ch3 data-end=\"1248\" data-start=\"1207\"\u003e\u003cstrong data-end=\"1246\" data-start=\"1211\"\u003eCompatible Networking Equipment\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"1380\" data-start=\"1249\"\u003eTo achieve maximum performance, the JJN39 should be paired with switches and adapters that support \u003cstrong data-end=\"1364\" data-start=\"1348\"\u003e100Gb QSFP28\u003c\/strong\u003e connectivity.\u003c\/p\u003e\n\n\u003cul data-end=\"1714\" data-start=\"1381\"\u003e\n\t\u003cli data-end=\"1570\" data-start=\"1381\"\u003e\n\t\u003cp data-end=\"1404\" data-start=\"1383\"\u003e\u003cstrong data-end=\"1402\" data-start=\"1383\"\u003e100Gb Switches:\u003c\/strong\u003e\u003c\/p\u003e\n\n\t\u003cul data-end=\"1570\" data-start=\"1407\"\u003e\n\t\t\u003cli data-end=\"1499\" data-start=\"1407\"\u003e\n\t\t\u003cp data-end=\"1499\" data-start=\"1409\"\u003e\u003cstrong data-end=\"1459\" data-start=\"1409\"\u003eMellanox\/NVIDIA Ethernet \u0026amp; InfiniBand switches\u003c\/strong\u003e (supporting 100GbE or EDR InfiniBand)\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\t\u003cli data-end=\"1570\" data-start=\"1502\"\u003e\n\t\t\u003cp data-end=\"1570\" data-start=\"1504\"\u003e\u003cstrong data-end=\"1543\" data-start=\"1504\"\u003eDell PowerSwitch and Force10 series\u003c\/strong\u003e with 100Gb port capacity\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1714\" data-start=\"1571\"\u003e\n\t\u003cp data-end=\"1714\" data-start=\"1573\"\u003e\u003cstrong data-end=\"1606\" data-start=\"1573\"\u003eServer-to-Server Connections:\u003c\/strong\u003e Supports direct links with other \u003cstrong data-end=\"1663\" data-start=\"1640\"\u003eMellanox ConnectX-4\u003c\/strong\u003e or compatible \u003cstrong data-end=\"1692\" data-start=\"1678\"\u003e100Gb NICs\u003c\/strong\u003e from major vendors.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"1719\" data-start=\"1716\"\u003e\n\u003ch3 data-end=\"1763\" data-start=\"1721\"\u003e\u003cstrong data-end=\"1761\" data-start=\"1725\"\u003eRequired Cables and Transceivers\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"1874\" data-start=\"1764\"\u003eThe Dell JJN39 uses a \u003cstrong data-end=\"1801\" data-start=\"1786\"\u003eQSFP28 port\u003c\/strong\u003e and requires separate transceivers or cables, depending on your setup:\u003c\/p\u003e\n\n\u003cul data-end=\"2253\" data-start=\"1875\"\u003e\n\t\u003cli data-end=\"2041\" data-start=\"1875\"\u003e\n\t\u003cp data-end=\"1903\" data-start=\"1877\"\u003e\u003cstrong data-end=\"1901\" data-start=\"1877\"\u003eQSFP28 Transceivers:\u003c\/strong\u003e\u003c\/p\u003e\n\n\t\u003cul data-end=\"2041\" data-start=\"1906\"\u003e\n\t\t\u003cli data-end=\"1971\" data-start=\"1906\"\u003e\n\t\t\u003cp data-end=\"1971\" data-start=\"1908\"\u003e\u003cstrong data-end=\"1930\" data-start=\"1908\"\u003eSR4 (Short Reach):\u003c\/strong\u003e For short multi-mode fiber connections\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\t\u003cli data-end=\"2041\" data-start=\"1974\"\u003e\n\t\t\u003cp data-end=\"2041\" data-start=\"1976\"\u003e\u003cstrong data-end=\"1997\" data-start=\"1976\"\u003eLR4 (Long Reach):\u003c\/strong\u003e For single-mode fiber over long distances\u003c\/p\u003e\n\t\t\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2149\" data-start=\"2042\"\u003e\n\t\u003cp data-end=\"2149\" data-start=\"2044\"\u003e\u003cstrong data-end=\"2076\" data-start=\"2044\"\u003eDirect Attach Cables (DACs):\u003c\/strong\u003e Ideal for \u003cstrong data-end=\"2110\" data-start=\"2087\"\u003ein-rack connections\u003c\/strong\u003e, cost-effective and simple to deploy\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2253\" data-start=\"2150\"\u003e\n\t\u003cp data-end=\"2253\" data-start=\"2152\"\u003e\u003cstrong data-end=\"2185\" data-start=\"2152\"\u003eActive Optical Cables (AOCs):\u003c\/strong\u003e Perfect for \u003cstrong data-end=\"2251\" data-start=\"2198\"\u003elong-distance, high-speed data center connections\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"2258\" data-start=\"2255\"\u003e\n\u003ch3 data-end=\"2305\" data-start=\"2260\"\u003e\u003cstrong data-end=\"2303\" data-start=\"2264\"\u003eSoftware \u0026amp; Operating System Support\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"2388\" data-start=\"2306\"\u003eThe JJN39 is supported by a wide range of enterprise OS environments, including:\u003c\/p\u003e\n\n\u003cul data-end=\"2513\" data-start=\"2389\"\u003e\n\t\u003cli data-end=\"2411\" data-start=\"2389\"\u003e\n\t\u003cp data-end=\"2411\" data-start=\"2391\"\u003e\u003cstrong data-end=\"2409\" data-start=\"2391\"\u003eWindows Server\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2468\" data-start=\"2412\"\u003e\n\t\u003cp data-end=\"2468\" data-start=\"2414\"\u003e\u003cstrong data-end=\"2437\" data-start=\"2414\"\u003eLinux distributions\u003c\/strong\u003e (e.g., CentOS, Ubuntu, RHEL)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2488\" data-start=\"2469\"\u003e\n\t\u003cp data-end=\"2488\" data-start=\"2471\"\u003e\u003cstrong data-end=\"2486\" data-start=\"2471\"\u003eVMware ESXi\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2513\" data-start=\"2489\"\u003e\n\t\u003cp data-end=\"2513\" data-start=\"2491\"\u003e\u003cstrong data-end=\"2511\" data-start=\"2491\"\u003eCitrix XenServer\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-end=\"2603\" data-start=\"2515\"\u003eTo ensure peak performance, always install the \u003cstrong data-end=\"2600\" data-start=\"2562\"\u003elatest drivers from Dell or NVIDIA\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003chr data-end=\"2608\" data-start=\"2605\"\u003e\n\u003ch3 data-end=\"2643\" data-start=\"2610\"\u003e\u003cstrong data-end=\"2641\" data-start=\"2614\"\u003eCompatibility Checklist\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"2688\" data-start=\"2644\"\u003eBefore installation, verify the following:\u003c\/p\u003e\n\n\u003cul data-end=\"2975\" data-start=\"2689\"\u003e\n\t\u003cli data-end=\"2756\" data-start=\"2689\"\u003e\n\t\u003cp data-end=\"2756\" data-start=\"2691\"\u003e\u003cstrong data-end=\"2707\" data-start=\"2693\"\u003ePCIe Slot:\u003c\/strong\u003e Available \u003cstrong data-end=\"2734\" data-start=\"2718\"\u003ePCIe 3.0 x16\u003c\/strong\u003e slot in your server\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2842\" data-start=\"2757\"\u003e\n\t\u003cp data-end=\"2842\" data-start=\"2759\"\u003e\u003cstrong data-end=\"2782\" data-start=\"2761\"\u003eNetwork Hardware:\u003c\/strong\u003e 100Gb-compatible switch or peer NIC with \u003cstrong data-end=\"2840\" data-start=\"2824\"\u003eQSFP28 ports\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2916\" data-start=\"2843\"\u003e\n\t\u003cp data-end=\"2916\" data-start=\"2845\"\u003e\u003cstrong data-end=\"2859\" data-start=\"2847\"\u003eCabling:\u003c\/strong\u003e Correct \u003cstrong data-end=\"2914\" data-start=\"2868\"\u003eQSFP28 DACs, AOCs, or optical transceivers\u003c\/strong\u003e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2975\" data-start=\"2917\"\u003e\n\t\u003cp data-end=\"2975\" data-start=\"2919\"\u003e\u003cstrong data-end=\"2933\" data-start=\"2921\"\u003eDrivers:\u003c\/strong\u003e Latest firmware and drivers for your OS\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-end=\"2975\" data-start=\"2919\"\u003e \u003c\/p\u003e\n\n\u003cp data-end=\"2975\" data-start=\"2919\"\u003eOther Related Parts Number: 0JJN39, CX455A, 6W1HY, 06W1HY, MCX455A-ECAT-OEM\u003c\/p\u003e\n","brand":"Dell","offers":[{"title":"Default Title","offer_id":54553436782665,"sku":"JJN39","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/3868\/3209\/files\/26999a94-7d40-5235-a01a-c96a4e5f7346.png?v=1750803130","url":"https:\/\/parts.theserverstore.com\/products\/dell-mellanox-connectx-4-cx455a-100gbe-edr-ib-qsfp28-qsfp-pcie-nic-0jjn39","provider":"The Server Store Parts","version":"1.0","type":"link"}