DellDell PowerEdge R910 Technical Guide 9 Intel® 64 Technology Intel® VT-x and VT-d Technology for virtualization support Enhanced Intel® SpeedStep® Technology Demand-based switching for active CPU power management as well as support for ACPIP-States, C-States, and T-States2.3 Memory ControllerThe PowerEdge R910 features Intel® 7500 Scalable Memory Interconnect (SMI), which includes: Up to 4 Gb DRAM support Up to 32 GB RDIMMs Low voltage DDR3L RDIMMs Up to 6.4 GT/s DDR3 channels (up to 1333 MT/s)2.4 Internal Dual SD Module (IDSM)The PowerEdge R910 also offers a second internal USB port dedicated for embedded hypervisor forvirtualization operating systems like Citrix and VMware through a dual SD-to-USB daughter cardcalled an Internal Dual SD Module. The IDSM port is located on the back of the I/O riser board. TheSD Flash Cards contain a bootable OS image for virtualized platforms. IDSM consists of up to two SDcards that are mirrored when set in the redundant mode for the higher availability.2.5 10Gb Embedded NIC10Gb I/O cards (Embedded NICs) are designed to provide higher data throughput for demandingapplications like virtualization.The 10Gb NICs are Broadcom® BCM57711 Gigabit MAC with BCM8727 SFP+ PHY. Features include: x8 PCI Express Gen2 capable interface SFP+ interface supported with SR and LRM optics or direct attached cable TOE (TCP Offload Engine) iSCSI controller RDMA controller (RNIC) (enabled through an optional hardware key) NC-SI (Network Controller-Sideband Interface) connection Wake-On-LAN (WOL) PXE 2.0 remote boot iSCSI boot IPv4 and IPv6 support Bare metal deployment support