The adapter has the following technical specifications:

Based on the Broadcom BCM57412 (1-port) and BCM957414 (2-port) controllers
PCIe 3.0 x8 host interface
Supports Message Signal Interrupt (MSI-X)
One or two SFP28 external connectors supporting a transceiver, direct-attach copper (DAC) cable or active optical cable (AOC).
Support for PXE boot, iSCSI boot and Wake-on-LAN (WOL)
Networking Features
Jumbo frames (up to 9600-Byte)
802.3x flow control
Link Aggregation (802.3ad)
Virtual LANs-802.1q VLAN tagging
Configurable Flow Acceleration
Advanced Congestion Avoidance
IEEE 1588 and Time Sync
Forward Error Correction Clause 74, Clause 91 support over 25 Gbps
Performance Features
Max. 30M Packet Per Second
Low latency
Bidirectional wire speed throughput
Stateless Offload Features
TCP, UDP, IPv4, IPv6 checksum offload
Large Send Offload
Receive Segment Coalescing
TCP Segmentation offload
Large Receive Offload
Generic Receive Offload
Receive Side Scaling (RSS)
Transmit Side Scaling (TSS)
Header-Payload Split
Accelerated Received Flow Steering (RFS)
Virtualization
vSwitch Acceleration
NetQueue, VMQueue, and Multiqueue
PCI SIG SR-IOV compliant with support for 128 Virtual Functions
Virtual NIC (vNIC) / Network Partitioning (NPAR) with support for up to 16 physical functions
VXLAN-aware stateless offloads
NVGRE-aware stateless offloads
Geneve-aware stateless offloads
IP-in-IP-aware stateless offloads
GRE-aware (encap/decap) stateless offloads
Stateless Transport Tunneling
Edge Virtual Bridging (EVB)
Per Virtual Function (VF) statistics
VF Receive-Side Scaling (RSS)/Transmit-Side Scaling (TSS)
RDMA over Converged Ethernet (RoCE)
RoCEv1 and RoCEv2
Data Center Bridging with RoCE
Reliable Connection Queue Pair
Unreliable Datagram Queue Pair
Raw Ethertype Queue Pair
Up to 1 million Queue Pairs
Up to 64K Shared Receive Queues
Up to 1 million Completion Queues
Up to 1 million Memory Regions and Memory Windows
Up to 1 million Protection Domains
Up to 250 outstanding RDMA Reads or Atomics per Queue Pair
Congestion Avoidance (hardware-based flows tracking and rate adjustment)
Fast Memory Register
Linux OFED 3.5 and later
MS-Windows Network Direct Kernel Provider Interface and SMBDirect
MS-Windows Network Direct Service Provider Interface
Integrated Flow Processing
1 million+ Exact Match Flows
Exact Match Flow Lookup
Wildcard Match Flow Lookup
VLAN insertion/deletion
NAT/NAPT
Tunnel Encapsulation/De-capsulation
Flow tracking and aging
Mirroring
Metering
Flow counters/statistics
Custom tunnel header support
Data Center Bridging
Priority-based flow control (PFC; IEEE 802.1Qbb)
Enhanced transmission selection (ETS; IEEE 802.1Qaz)
Quantized Congestion Notification (QCN; IEEE 802.1Qau)
Data Center Bridging Capability eXchange (DCBX; IEEE 802.1Qaz)
Up to 8 traffic classes per port; fully DCB compliant per 802.1Qbb
Manageability
TruManage Technology based on Distributed Management Task Force (DMTF) standards and protocols, support for SMASH2.0, WS-Man, and IPMI2.0/DCMI1.5
Management Component Transport Protocol (MCTP) - MCTP over SMBus and MCTP over PCIe VDM
Power Saving
ACPI compliant power management
PCI Express Active State Power Management (ASPM)
PCI Express eCLKREQ support
PCI Express unused lane powered down
Ultra low-power mode
Energy Efficient Ethernet (IEEE Std 802.3az-2010)
Power Management (PM) Offload