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Square bare processor die with gold contact pads and green substrate, silver heat spreader absent, IBM part label visible

IBM

IBM 46W9143 Intel Xeon E5-2650L v2 1.7GHz 25MB 10-Core server processor

SKU CH-HG2E-XK9CA MPN 46W9143

A 10-core server processor running at 1.7 GHz with 25 MB cache and 20 threads for multi-threaded workloads

  • CPU Socket TypeLGA 771
  • # of Cores10-Core
  • # of Threads20
  • Operating Frequency1.7 GHz
  • Max Turbo Frequency70W
  • QPI7.2 GT/s
  • 10 cores and 20 threads handle parallel server workloads
  • 7 GHz base frequency with 70 W TDP balances performance and power draw
  • 25 MB L3 cache reduces latency for data-intensive applications
  • 2 GT/s QPI enables fast inter-processor communication
  • LGA 771 socket fits compatible server motherboards

IBM Xeon E5-2650L v2 10-Core Processor

This IBM 46W9143 is a new Intel Xeon E5-2650L v2 server processor built for LGA 771 sockets. It delivers 10 cores and 20 threads at a base frequency of 1.7 GHz with 25 MB L3 cache. The 70 W thermal design suits dense rack deployments where power density matters. It is sold as a bare processor without a cooling device.

Capacity headroom for multi-threaded server

The 10 cores and 20 threads handle virtualisation hosts, database nodes and batch compute jobs that scale across threads. A 7.2 GT/s QPI link supports dual-socket configurations for expanded throughput. The 1.7 GHz base clock limits single-thread latency-sensitive tasks, and the 70 W envelope caps sustained all-core turbo headroom.

Upgrade path from lower-core Xeon parts

This part replaces 4-core or 6-core LGA 771 Xeons when thread count matters more than peak frequency. The jump is worthwhile for workloads that saturate 20 threads within the 70 W budget. It is not for builds needing higher single-thread speed, integrated graphics or consumer desktop sockets.

Highlights

  • 10 cores and 20 threads handle parallel server workloads
  • 7 GHz base frequency with 70 W TDP balances performance and power draw
  • 25 MB L3 cache reduces latency for data-intensive applications
  • 2 GT/s QPI enables fast inter-processor communication
  • LGA 771 socket fits compatible server motherboards

Specifications

BrandIntel
SeriesXeon
ModelE5-2650Lv2
CPU Socket TypeLGA 771
# of Cores10-Core
# of Threads20
Operating Frequency1.7 GHz
Max Turbo Frequency70W
QPI7.2 GT/s
L3 Cache25MB
64-Bit SupportYes
Hyper-Threading SupportYes
Average CPU Power70W
Thermal Design Power70W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.18 kg
Package size76 × 76 × 13 mm

Questions about this item

Will the 70W TDP of this Xeon E5-2650L v2 work with my existing LGA 771 server cooler?

The processor has a 70W thermal design power. Your current cooler must be rated for at least 70W on an LGA 771 socket to keep temperatures in check.

How can I confirm the 10 cores and 20 threads are active after installation?

Check the BIOS or operating system CPU information; it should show 10 cores and 20 threads running at 1.7 GHz base frequency with turbo available.

The listing says bare processor only — what exactly ships and what must I source separately?

Only the 46W9143 processor ships. You must supply a compatible LGA 771 heatsink, fan and thermal paste yourself.

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