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Solarflare SFN5121T Dual-Port 10GBASE-T Onload Server Adapter

Delivers the industry’s best application performance, lowest power consumption, and most scalable virtualization.

With triple-speed 10GBASE-T, the SFN5121T supports asymmetric upgrades. Because 10GBASE-T auto-negotiates with 1000BASE-T and 100BASE-TX, servers can be upgraded asynchronously with switches at the other end of the wire. Equipped to handle the application loads of the latest multi-core processors, it delivers unmatched performance scaling for high-density server deployments, while utilizing a single driver across all Solarflare server adapter products. The SFN5121T supports data networking with concurrent support of iSCSI and NAS traffic – while remaining true to the need for cost effective, power-efficient and high-performance network I/O.
Availability: In stock

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Application Performance Leadership

SFN5121T delivers the industry’s lowest latency at the highest message rates to customers with leading edge enterprise data center deployments. SFN5121T also delivers the industry’s highest message rate and lowest latency jitter, with full 40 Gbps bidirectional line-rate performance. Featuring a rich set of stateless offloads, it provides efficient acceleration of the most demanding network protocol tasks.

SFN5121T supports Solarflare’s OpenOnload® application accelerator, a full-featured, high performance user-level network stack for Linux. OpenOnload provides unprecedented performance with application compatibility and protocol compliance, bypassing kernel and networking overheads, while featuring binary compatibility with standard APIs and applications.

Scalable, Hardware-Assisted Virtualization

The SFN5121T is designed to optimize virtualized application performance and maximize the use of network resources. With 10x the number of vNICs and virtual PCIe functions than the competition, I/O performance scales as the number of CPU cores and virtual machines increase resulting in enhanced application performance supporting more applications per physical server.

The SFN5121T accelerates guest applications in leading hypervisors, supporting NetQueue and VMQ in VMware and Hyper-V, and SR-IOV in KVM and XenServer. SFN5121T relieves network I/O bottlenecks hidden in virtualized environments, allowing IT managers to allocate full network resources directly to virtualized applications. SFN5121T enables the highest performance and lowest CPU utilization in virtualized servers.

Lowest Power

At less than 13 Watts, the SFN5121T consumes less than half the power of the leading competitors’ products, and delivers 5-10x the efficiency of 1G Ethernet (Gbps/Watt). This not only makes a power efficient 10G network possible, it can save thousands of dollars of operating costs for a typical data center. The SFN5121T is also compatible with the Energy Star® guideline for power consumption.

Manufacturer Solarflare
Part No. SFN5121T
End of Life? Yes
Weight [Kg] 0.50
Compliant Standards IEEE 802.3an; IEEE 802.3ad; IEEE 802.1Q; IEEE 802.1p; IEEE 802.3x; RoHS Compliant
Bandwidth 10GbE
Hardware Offloads LSO, LRO, GSO; IPv4/IPv6; TCP, UDP checksums
Host OS Support 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)
Virtualisation Support ESX 3.5, vSphere 4.x, 5.0; Hyper-V; XenServer 5.6, 6.0; KVM; NetQueue; VMQ; SR-IOV
PCI Slot(s) PCIe x8 Gen 2.0 compliant @ 5.0 GT/s for full, 40 Gbps bi-directional bandwidth