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Combining high-performance architecture with high-performance Xeon processors
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• 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-based RAID-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-0/1 support standard; optional slotless RAID support for RAID-
10/5/50/6/60 (up to two ServeRAID-MR10k controllers 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-RW combo 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-1 disk mirroring standard; optional slotless RAID-10/5/50/6/60
highly 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