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Solarflare SFN5122F Dual-Port 10GbE SFP+ Enterprise Server Adapter

  • Low power consumption: Less than 5 Watts
  • Support up to 254 Virtual NICs
  • Full 40 Gbps Bidirectional Line-rate Performance
  • Low Latency
  • Dual-Port SFP+
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Learn more about the Solarflare Communications, Inc. SFN5122F




IEEE 802.3ae
IEEE 802.3ad
IEEE 802.1Q
IEEE 802.1p
IEEE 802.3x
2 x SFP+
PCI-Express x8
L: 16.74 cm (6.59 in)
W: 6.89 cm (2.71 in)


I/O Virtualization: 2048 guest OS protected vNICs; 254 Virtual Functions

Low Latency: Cut-through architecture/intelligent interrupt coalescing

Receive Side Scaling (RSS): Distributes IPv4/IPv6 loads across CPU cores; MSI-X minimizes interrupt overhead

Hardware Offloads: LSO, LRO, GSO; IPv4/IPv6; TCP, UDP checksums

Adapter Teaming/Link Aggregation: LACP, MLAG for redundant links & increased bandwidth

Jumbo Frames: 9000 byte MTU for performance

IP Flow Filtering: Hardware directs packets based on IP, TCP, UDP headers

Advanced Packet Filtering: 256 multicast filters; 4096 VLANs/port; adaptive TCP/UDP/IP, MAC, VLAN, RSS, RPS, RFS filtering; Accelerated Receive Flow Steering (RFS)

Intel QuickData: Uses host DMA engines to accelerate I/O

Remote Boot: PXE, iSCSI boot; unattended installation

Management: ACPI v3.0, SNMP, SMBus, IPMI

Virtualization Support:
ESX 3.5, vSphere 4.x, 5.0; Hyper-V; XenServer 5.6, 6.0; KVM; NetQueue; VMQ; SR-IOV

Operating Systems:
RHEL 5, 6; MRG; SLES 10, 11; SLERT; other Linux; Windows Server 2003, 2008, 2008R2; OS X v10.6.x, v10.7; Solaris 10 (x86)

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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