| Code Name | Spring Fountain |
| Essentials | |
| Status | Launched |
| Launch Date | Q3'09 |
| Vertical Segment | Server |
| Cable Medium | Fiber |
| Cabling Type | MMF up to 300m |
| Bracket Height | Low Profile & Full Height |
| TDP | 10.7 W |
| Supported Operating Systems | Windows Server 2012 R2*, Windows Server 2012*, Windows 8*, Windows Server 2008 R2*, Windows 7*, Windows Server 2008* SP2, Windows Vista* SP2, Windows Server 2003 R2*, Windows Server 2003* SP2, Linux* Stable Kernel version 3.x, 2.6,x, Red Hat Enterprise Linux* 5, 6, SUSE Linux Enterprise Server* 10, 11, FreeBSD 9*, VMware ESX/ESXi* |
| Networking Specifications | |
| Port Configuration | Dual |
| Intel® Virtualization Technology for Connectivity (VT-c) | Yes |
| Speed & Slot Width | 5.0 GT/s, x8 Lane |
| Controller | Intel 82599 |
| Package Specifications | |
| System Interface Type | PCIe v2.0 (5.0GT/s) |
| Low Halogen Options Available | See MDDS |
| Intel® Virtualization Technology for Connectivity | |
| On-chip QoS and Traffic Management | Yes |
| Flexible Port Partitioning | Yes |
| Virtual Machine Device Queues (VMDq) | Yes |
| PCI-SIG* SR-IOV Capable | Yes |
| Advanced Technologies | |
| iWARP/RDMA | No |
| Intel® Data Direct I/O Technology | Yes |
| Intelligent Offloads | Yes |
| Storage Over Ethernet | iSCSI, FCoE, NFS |
.