IBM X3950 M2, X3850 M2 manual bit extensions EM64T

Combining high-performance architecture with high-performance Xeon processors

•Large L2 cache — 9MB, 8MB, 6MB or 4MB of internal processor cache (model-specific)

•Large L3 cache — 16MB, 12MB, or 8MB of external processor cache (model-specific)

•Huge L4 cache — 256GB per chassis (up to 1GB in a 4-chassis configuration) of IBM-unique XceL4v Dynamic Server cache

•64-bit extensions (EM64T)

•Fast front-side buses — 4 x 1066MHz (one per processor)

•Fast memory — PC2-5300 DDR II ECC memory standard with two-way interleaving and a low-latency memory controller

•Embedded virtualization (in selected models)

•Fast disk technology — Integrated Serial-Attach SCSI (SAS) controller and slotless hardware-basedRAID-0 data striping

•Fast communications — Integrated dual-port Gigabit Ethernet controller, supporting load- balancing and failover, as well as TOE, RDMA, and iSCSI

•Fast I/O — PCIe x8 (4Gbps) adapter slots

Flexibility

•Scale up or scale out — 1 to 4 chassis, with 2 to 16 processors and 4 to 96 processor cores, scalable on demand (using the ScaleXpander Option Kit and four chassis)

•Large memory capacity — 256GB of DDR2 memory, with 32 DIMM slots per chassis (expandable to 1TB of RAM, using the ScaleXpander Option Kit and four chassis)

•Integrated 4GB flash drive, preloaded with VMware ESXi 3.5 (selected models) for “instant” virtualization

•A choice of four 2.5-inch hot-swap SAS drives internally and one external SAS port for optional external storage (per chassis); up to 16 drives in a 4-chassis configuration)

•High-performance external I/O expansion — Six 480Mbps USB 2.0 ports (two front, three rear, one internal); one external SAS port

•Hardware-based RAID-0/1support standard; optional slotless RAID support for RAID- 10/5/50/6/60 (up to two ServeRAID-MR10kcontrollers in a multi-chassis configuration)

•Seven available x8 PCIe slots (4Gbps) per chassis, including 2 Active PCI (hot-plug) slots per chassis (28 total slots, including 8 Active PCIe slots, in a 4-chassis configuration)

•Integrated DVD/CD-RWcombo drive

Manageability, Serviceability and Availability

•IBM Systems Director systems management software, including:

IBM Systems Director Active Energy Manager for x86

IBM Management Processor Assistant

IBM Rack Manager

IBM RAID Manager

IBM Update Assistant

IBM Software Distribution

IBM System Availability

•Integrated Baseboard Management Controller (BMC):

IPMI 2.0 compliance, including highly secure remote power control

Text console redirection systems management standard

•Remote Supervisor Adapter II daughter card standard (uses dedicated slot)

Supports LDAP and SSL industry standards

•Active Memory protection:

Advanced Chipkill ECC memory correction

Memory ProteXion

Memory mirroring

Memory scrubbing

•Slotless hardware-based RAID-1disk mirroring standard; optional slotless RAID-10/5/50/6/60highly available arrays

•Ultra-efficient cooling incorporating Calibrated Vectored Cooling features

•Hot-swap hard disk drives

•Hot-add/hot-swap memory

•Hot-swap/redundant power supplies and cooling

Please see the Legal Information section for important notices and information.

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