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 QME7342’s 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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