Lenovo x3550 M3 User's Guide download pdf (Page 5)

Leadership enterprise server with significantly lower cost of ownership in a highly available and

expandable, rack-dense, 1U dual-socket server

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draw and impressive performance/watt (20W per core; 5.86GTps QPI speed), 12MB of L3

processor cache, 1066MHz memory access, 2 threads per core, and Intel Turbo Boost

technology

• 80W 4-core Xeon 5600 models E5607 or E5606 running at 2.26 or 2.13GHz, respectively, with

reduced power draw and impressive performance/watt (20W per core; 4.8GTps QPI speed),

8MB of L3 processor cache, and 1066MHz memory access

• 80W 4-core Xeon 5600 models E5603 running at 1.6GHz with reduced power draw and

impressive performance/watt (20W per core; 4.8GTps QPI speed), 4MB of L3 processor

cache, and 1066MHz memory access

Also available, via configure-to-order (CTO):

• 130W 4-core Xeon 5600 model X5687 running at 3.6GHz, with impressive performance (32.5W

per core; 6.4GTps QPI speed), 12MB of L3 processor cache, 1333MHz memory access, 2

threads per core, and Intel Turbo Boost technology

• 95W 4-core Xeon 5600 model X5672 running at 3.2GHz, with reduced draw and impressive

performance/watt (23.75W per core; 6.4GTps QPI speed), 12MB of L3 processor cache,

1333MHz memory access, 2 threads per core, and Intel Turbo Boost technology

• 95W 6-core Xeon 5600 model X5660 running at 2.8GHz, with reduced draw and impressive

performance/watt (only 15.83W per core; 6.4GTps QPI speed), 12MB of L3 processor cache,

1333MHz memory access, 2 threads per core, and Intel Turbo Boost technology

• 130W 4-core Xeon 5600 model X5647 running at 2.93GHz with impressive performance

(32.5W per core; 5.86GTps QPI speed), 12MB of L3 processor cache, 1066Hz memory

access, 2 threads per core, and Intel Turbo Boost technology

• 40W 4-core Xeon 5600 low-voltage model L5630 running at 2.13GHz, with extremely low

power draw and amazing performance/watt (only 10W per core; 5.86GTps QPI speed), 12MB

of L3 processor cache, 1066MHz memory access, 2 threads per core, and Intel Turbo Boost

technology

• 40W 4-core Xeon 5600 low-voltage model L5609 running at 1.86GHz, with extremely low

power draw and amazing performance/watt (only 10W per core; 4.8GTps QPI speed), 12MB of

L3 processor cache, and 1066MHz memory access

With the Xeon 5600 series processors, Intel has diverged from its traditional Symmetric

Multiprocessing (SMP) architecture to a Non-Uniform Memory Access (NUMA) architecture. The

processors are connected through serial coherency links called QuickPath Interconnect (QPI). QPI

is capable of 6.4, 5.86 or 4.8 GTps (gigatransfers per second), depending on the processor model.

4-core Xeon processors contain four complete processor cores; 6-core processors, similarly,

contain six cores. Each 5600 series processor contains one 256KB L2 cache per core and one

12MB L3 cache shared by all the cores. The shared cache is dynamically allocated between the

cores as needed. The multiple cores appear to software as multiple physical processors. The 2-

core processors offer considerably higher performance than a same-speed Xeon processor with a

single core. Likewise, 4-core processors offer considerably higher performance than a same-

speed Xeon processor with 2 cores.

Turbo Boost Technology increases performance by translating the temperature, power and

current head room into higher frequency. It will dynamically increase by 133MHz for short and

regular intervals until the upper limit is met or the maximum possible upside for the number of

active cores is reached. The maximum frequency is dependent on the number of active cores. The

amount of time the processor spends in the Turbo Boost Technology state depends on the

workload and operating environment, providing the performance you need, when and where you

need it. For example, a 3.46GHz 6-core X5690 processor with 3-6 cores active can run the cores

at 3.6GHz. With only one or two cores active, the same processor can run those cores at

3.73GHz. Similarly, a 3.6GHz 4-core X5687 processor can run at 3.73GHz or even 3.86GHz.

When the inactive cores are needed again, they are dynamically turned back on and the

processor frequency is adjusted accordingly.

In processors implementing Intel Hyper-Threading Technology, each core has two threads

capable of running an independent process. Thus, a 6-core processor can run 12 threads

concurrently.

Intelligent Power Capability powers individual processor elements on and off as needed, to

reduce power draw.

Execute Disable Bit functionality can help prevent certain classes of malicious buffer overflow

attacks when combined with a supporting operating system.

Intel’s Virtualization Technology (VT) integrates hardware-level virtualization hooks that allow

operating system vendors to better utilize the hardware for virtualization workloads.

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Lenovo x3550 M3 User's Guide Page 5

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