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Restock 04-Aug-2026 Estimated, Out of Stock Prices are Estimated.

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Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

With the exponential increase in usage of data and the creation of new applications, the demand for the highest throughput, lowest latency, virtualization and sophisticated data acceleration engines continues to rise. ConnectX-4 Lx EN enables data centers to leverage the world's leading interconnect adapter for increasing their operational efficiency, improving servers' utilization, maximizing applications productivity, while reducing total cost of ownership (TCO).

ConnectX-4 Lx EN provides an unmatched combination of 1, 10, 25, 40, and 50GbE bandwidth, sub-microsecond latency and 75 million packets per second message rate. It includes native hardware support for RDMA over Converged Ethernet, Ethernet stateless offload engines, Overlay Networks, and GPUDirect Technology.


Specification Summary

Product Description
Mellanox ConnectX-4 Lx - network adapter - PCIe 3.0 x8 - 25 Gigabit SFP28 x 1
Device Type
Network adapter
Form Factor
Plug-in card
Interface (Bus) Type
PCI Express 3.0 x8
Ports
25 Gigabit SFP28 x 1
Data Link Protocol
25GbE
Data Transfer Rate
25 Gbps
Capacity
Number of physical functions: 16 ¦ Number of virtual functions: 256
Network / Transport Protocol
TCP/IP, UDP/IP, NFS, SMB, uDAPL
Compliant Standards
IEEE 1588v2, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3az, IEEE 802.3by
System Requirements
Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Red Hat Enterprise Linux 7 Update 2, Red Hat Linux Enterprise Server 6 Update 7 x64 Edition, SuSE Linux Enterprise Server 11 SP4 for AMD64/EM64T, SuSE Linux Enterprise Server 12 SP1, VMware vSphere 5.5 (ESXi) Update 3, VMware vSphere 6.0 (ESXi) Update 2
Manufacturer Warranty
1-year warranty
Designed For
ThinkAgile HX2320 Appliance; HX3321 Certified Node; HX7820 Appliance; HX7821 Certified Node; ThinkAgile VX 1SE Certified Node; ThinkAgile VX Certified Node 7Y94, 7Z12; ThinkAgile VX1320 Appliance; VX3320 Appliance; VX3720 Appliance; VX5520 Appliance; VX7520 Appliance; VX7820 Appliance

Specifications

EAN / GTIN:
889488421626
General
Device Type
Network adapter
Form Factor
Plug-in card
Interface (Bus) Type
PCI Express 3.0 x8
Networking
Ports
25 Gigabit SFP28 x 1
Connectivity Technology
Wired
Data Link Protocol
25 Gigabit Ethernet
Data Transfer Rate
25 Gbps
Capacity
Number of physical functions: 16 ¦ Number of virtual functions: 256
Network / Transport Protocol
TCP/IP, UDP/IP, NFS, SMB, uDAPL
Features
MSI-X, Jumbo Frames support, RDMA support, XRC transport, DCT, UMR, ODP, SR-IOV, QoS, LSO, LRO, TCP/IP offloading, UDP/IP offloading, Ethernet remote boot, iSCSI remote boot, UEFI support, PXE support, MPLS support, VXLAN, NVGRE, SDN, Mellanox PeerDirect, Energy Efficient Ethernet, Link Aggregation, tagged VLAN, PFC, RSS
Compliant Standards
IEEE 1588v2, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3az, IEEE 802.3by
Expansion / Connectivity
Interfaces
1 x 25Gb Ethernet - SFP28
Miscellaneous
Compliant Standards
CB, cTUVus, EMC, FCC, VCCI, ICES, RCM, RoHS
Power
Power Consumption Operational
9.47 Watt
Software / System Requirements
OS Required
Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Red Hat Enterprise Linux 7 Update 2, Red Hat Linux Enterprise Server 6 Update 7 x64 Edition, SuSE Linux Enterprise Server 11 SP4 for AMD64/EM64T, SuSE Linux Enterprise Server 12 SP1, VMware vSphere 5.5 (ESXi) Update 3, VMware vSphere 6.0 (ESXi) Update 2
Manufacturer Warranty
Service & Support
Limited warranty - 1 year
Environmental Parameters
Min Operating Temperature
0 °C
Max Operating Temperature
55 °C
Humidity Range Operating
0 - 90%
Compatibility Information
Designed For
Lenovo NeXtScale nx360 M5 5465 ¦ Lenovo System x3550 M5 5463, 8869 ¦ Lenovo System x3650 M5 5462, 8871 ¦ Lenovo System x3850 X6 6241 ¦ Lenovo System x3950 X6 6241 ¦ Lenovo ThinkAgile HX2320 Appliance 7X83 ¦ Lenovo ThinkAgile HX3321 Certified Node 7Y89 ¦ Lenovo ThinkAgile HX3520-G Appliance 7X84 ¦ Lenovo ThinkAgile HX3721 Certified Node 7Y88 ¦ Lenovo ThinkAgile HX7520 Appliance 7X84 ¦ Lenovo ThinkAgile HX7820 Appliance 7Y95, 7Z08 ¦ Lenovo ThinkAgile HX7821 Certified Node 7Y96, 7Z09 ¦ Lenovo ThinkAgile VX 1SE Certified Node 7Z58 ¦ Lenovo ThinkAgile VX 1U Certified Node 7Y93 ¦ Lenovo ThinkAgile VX Certified Node 7Y94, 7Z12 ¦ Lenovo ThinkAgile VX1320 Appliance 7Z58 ¦ Lenovo ThinkAgile VX3320 Appliance 7Y93 ¦ Lenovo ThinkAgile VX3520-G Appliance 7Y94 ¦ Lenovo ThinkAgile VX3720 Appliance 7Y92 ¦ Lenovo ThinkAgile VX5520 Appliance 7Y94 ¦ Lenovo ThinkAgile VX7520 Appliance 7Y94 ¦ Lenovo ThinkAgile VX7820 Appliance 7Z13 ¦ Lenovo ThinkSystem SD530 ¦ Lenovo ThinkSystem SR250 ¦ Lenovo ThinkSystem SR630 ¦ Lenovo ThinkSystem SR650 ¦ Lenovo ThinkSystem ST550

Essential Bundles

Options


Network Cables
<%=Left(shortdesc,125) %> (ECE7310328 - 7Z57A03544) Availability: 0
LENOVO - 25GBase-AOC direct attach cable - SFP28 to SFP28 - 15 m - fibre optic - active - for ThinkAgile HX3321 Certified Node, ThinkSystem NE2580, ThinkSystem SD630 V2
699.75
(ECE7310328 - 7Z57A03544) Availability: 0
LENOVO - 25GBase-AOC direct attach cable - SFP28 to SFP28 - 15 m - fibre optic - active - for ThinkAgile HX3321 Certified Node, ThinkSystem NE2580, ThinkSystem SD630 V2

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