QLogic Specification Sheet

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
Dell Part Number: A3529571
Benefits
• Highperformance
• Superiorscalability
• Enhancedreliability
• Protectionofexistingserverinvestments
• Lowestpowerandcoolingrequirementsinthe
industry
• Environmentallyfriendly
Features
• Dual40Gbpsquaddatarate(QDR)InfiniBand™
interfaces
• 3400MBpsunidirectionalthroughput
• 30Mmessagesprocessedpersecond(non-
coalesced)ineachdirection
• 1.0-microsecondlatencythatremainslowasthe
fabricisscaled
• Multiplevirtuallanes(VLs)foruniquequalityof
service(QoS)levelsperlaneoverthesamephysical
port
• TrueScale™architecture,withMSI-Xinterrupt
handling,isoptimizedformulti-corecompute
nodes
• Externalfirmwareisneitherusednorrequired
• Congestioncontrolarchitecture
• OptionaldatascramblinginInfiniBandlink
• RoHS6compliant
• ComplieswithInfiniBandTradeAssociation(IBTA)
v1.2standard
• SupportsOpenFabricsAlliance(OFEDandWinOF)
softwaredistributions
Highperformancecomputing(HPC)solutionshaveusedInfiniBandnetworks
to meet the needs of the most demanding set of applicationsand grand
challenges.TheQME7342isadual-port,40GbpsInfiniBand-to-PCIExpress
®

Gen2x8 HostChannelAdapterdesigned forthe Dell
®
PowerEdge
®
Blade
Server. The QME7342’s highly integrated design delivers unprecedented
levelsofperformance,makingittheidealsolutionforHPCapplicationsthat
relyonlowlatency,direct-memoryaccess.
High Performance. Quaddatarate (QDR) InfiniBand delivers 40Gbps per
port (4×10Gbps), providing the necessary bandwidth for high-throughput
applications.  With the highest message rate and lowest latency of any
InfiniBand adapter, the QME7342 provides superior HPC application
performance.
Superior Scalability.  QLogic’s TrueScale architecture delivers near-linear
scalability.Asadditionalcomputeresourcesareaddedtoacluster,latency
remainslowandthemessageratescaleswiththesizeofthefabric,resulting
inmaximumusageofcomputeresources.
Enhanced Reliability.  The QME7342’s advanced design does not need
onboard firmware, which enhances its performance and reliability.  The
controllerhasECCprotectiononallinternalSRAMs,andparitycheckingon
allinternalbuses.Equallyimportant,thestatelessdesignisinherentlymore
resilienttoadapter andfabricfailures, asitminimizesits reliance onthe
connectionstate.Optionaldatascramblingmaximizesdatapatterns,which
inturnminimizesthebit-errorrate.
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,systemintegrators,andindependenthardware(IHV)andsoftware
(ISV)vendors.
PowerOptimized.Maximumperformanceisdeliveredatthelowestpower
ofanyQDR-capableadapter:6.2Wtypicaland9.5Wmaximum(estimate).
EnvironmentallyFriendly.The QME7342 isRoHS6compliant,aswellas
antimonyfreeandhalogenfree.