Intel Computer Hardware QME7342 CK User Manual

port (4×10Gbps), providing the necessary bandwidth for high-throughput  
                                                            
                                                              
D ATA S H E E T  
Third party information brought to  
you courtesy of Dell.  
QME7342  
Dual-Port, 40Gbps InfiniBand-  
to-PCIe Expansion Card  
Highperformancecomputing(HPC)solutionshaveusedInfiniBandnetworks  
tomeettheneedsofthemostdemandingsetofapplicationsandgrand  
challenges.TheQME7342isadual-port,40GbpsInfiniBand-to-PCIExpress®  
Gen2x8HostChannelAdapterdesignedfortheDell®PowerEdge®Blade  
Server. The QME7342s highly integrated design delivers unprecedented  
levelsofperformance,makingittheidealsolutionforHPCapplicationsthat  
relyonlowlatency,direct-memoryaccess.  
Dell Part Number: A3529571  
Benefits  
Highperformance  
Superiorscalability  
Enhancedreliability  
Protectionofexistingserverinvestments  
Lowestpowerandcoolingrequirementsinthe  
industry  
HighPerformance.Quaddatarate(QDR)InfiniBanddelivers40Gbpsper  
applications.  With the highest message rate and lowest latency of any  
InfiniBand adapter, the QME7342 provides superior HPC application  
performance.  
Environmentallyfriendly  
Superior Scalability.  QLogic’sTrueScale architecture delivers near-linear  
scalability.Asadditionalcomputeresourcesareaddedtoacluster,latency  
remainslowandthemessageratescaleswiththesizeofthefabric,resulting  
inmaximumusageofcomputeresources.  
Features  
Dual40Gbpsquaddatarate(QDR)InfiniBand™  
interfaces  
Enhanced Reliability.  The QME7342’s advanced design does not need  
onboard firmware, which enhances its performance and reliability.  The  
controllerhasECCprotectiononallinternalSRAMs,andparitycheckingon  
allinternalbuses.Equallyimportant,thestatelessdesignisinherentlymore  
resilienttoadapterandfabricfailures,asitminimizesitsrelianceonthe  
connectionstate.Optionaldatascramblingmaximizesdatapatterns,which  
inturnminimizesthebit-errorrate.  
3400MBpsunidirectionalthroughput  
30Mmessagesprocessedpersecond(non-  
coalesced)ineachdirection  
1.0-microsecondlatencythatremainslowasthe  
fabricisscaled  
Multiplevirtuallanes(VLs)foruniquequalityof  
service(QoS)levelsperlaneoverthesamephysical  
port  
Investment Protection.  This fourth-generation product is compliant with  
IBTA version 1.2, ensuring interoperability with all other IBTA-compliant  
devices.  In addition, support for the OpenFabrics community OFED and  
WinOF distributions ensures rapid adoption by major operating system  
vendors,systemintegrators,andindependenthardware(IHV)andsoftware  
(ISV)vendors.  
TrueScale™architecture,withMSI-Xinterrupt  
handling,isoptimizedformulti-corecompute  
nodes  
Externalfirmwareisneitherusednorrequired  
Congestioncontrolarchitecture  
OptionaldatascramblinginInfiniBandlink  
RoHS6compliant  
ComplieswithInfiniBandTradeAssociation(IBTA)  
v1.2standard  
PowerOptimized.Maximumperformanceisdeliveredatthelowestpower  
ofanyQDR-capableadapter:6.2Wtypicaland9.5Wmaximum(estimate).  
EnvironmentallyFriendly.TheQME7342isRoHS6compliant,aswellas  
antimonyfreeandhalogenfree.  
SupportsOpenFabricsAlliance(OFEDandWinOF)  
softwaredistributions  

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