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A-1 condition from a 2019 Tier 1 Data Center decommission project.

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Q-Logic 7104-HCA-LPX1P Single port
InfiniBand (IB) 4X SDR to PCI Express Host Channel Adapter (HCA

Host Bus Interface Specifications 
PCI Express compliant 
• Low profile design 
• x8 PCIe support 
• PCI Express Base Specification 1.2 compatible 

InfiniBand Interfaces and Specifications 
Transport types 
• Unreliable Datagram (UD) 
• Reliable Connection (RC) 

Transport services 
• RDMA read request 
• RDMA write request and atomic operations
• Send/Receive 

Kernel bypass 
InfiniBand specifications 
• 8 virtual lanes plus management lane 
• Configurable up to 130K queue pairs and 130K completion queues1 
• Configurable up to 256k memory regions/520K Windows regions1 
• Auto configurable MTU 256 to 2048 bytes (2048 default) 
• Support for 64 configurable P_Keys per port 
• Up to 8 RDMA read requests as target per queue pair 
• Maximum message size 2 GB 
• 1 constant and 31 configurable Global IDs (GUIDs) 
• Support acknowledge (ACK) coalescing 
• Memory, work queue, and completion queue accesses protection 
• InfiniBand v1.1 and v1.2 compliant Connectivity 

• Dual 4X (10 Gb) or 1X (2.5 Gb) speeds - copper HSSD 

Memory options are 128MB or 256 MB for the PCIe HBA. 
The architecture supports up to 16 GB. 
Larger memory sizes will be released as application requirements grow. 

Tools and Utilities Management support 
• QLogic InfiniBand Fabric Suite 
• BMA, PMA, SMA, CM 
• Fabric and device discovery 
• Generates SMA traps 

Operating environments 
• Linux® 
• Windows 200x 

Host Driver/Upper Level Protocol (ULP) Support 

µDAPL 
• ULP RDMA server-to-server access utilizing User Direct Access Program Library (µDAPL) APIs 

SDP 
• Sockets Direct Protocol (SDP) support for high performance sockets-based data transfers 

RDS 
• Sockets off-load driver provides reliable, in order, no duplicate delivery semantics for Oracle® Real Application Clusters (RAC) 

VirtualNIC 
• Ethernet ULP and advanced functionality (port sharing, load balancing, Ethernet IB switching) 

VirtualHBA
• Fibre Channel ULP and advanced functionality (port sharing, LUN management, SCSI Remote DMA 
Protocol (SRP)) 

IPoIB 
• ULP to allow Internet Protocol (IP) using IB as a link layer 

MPI 
• ULP for HPC clusters utilizing Message Passing Interface (MPI) function calls 

WSD 
• Windows Sockets Direct Protocol (SDP) support for high-performance zero-copy data transfers 

Physical Specifications 
• Low profile form factor 6.60 in x 2.536 in (167.64 mm x 64.41 mm) 

Environment and Equipment Specifications 

Maximum power consumption 
• 14 W 

Typical power consumption 
• 10 W 

Operating temperature 
• 10°C to 45°C at sea level 
• 0–3 km (10,000 feet) 
• -30°C to 60°C (non-operating) 

Humidity (non-condensing) 
• Operating: 20% to 80% 
• Storage: 5% to 90% 

RoHs compliance 
• RoHS 5 

Agency Approvals—Product Safety 
• US – UL60950; listed accessory 
• Europe – EN60950; listed accessory 

Agency Approvals—EMI and EMC 
US 
• FCC Part 15, Class A 
Europe 
• EN55022 level A, EN55024, EN61000-3-2,-3 

Ordering Information 
7104-HCA-LPX1P Single port, no memory
7104-HCA-LPX2P Dual port, no memory
S7104-HCA-128LPX Dual port, 128MB memory