Intel Xeon E7-8837 socket: LGA 1567

The Intel Xeon E7-8837 uses the LGA 1567 socket. It is a 130 W eight core Westmere-EX server part at 2.66 GHz with turbo to 2.8 GHz and no Hyper-Threading.

Socket
LGA 1567
Launched
April 2011
Cores and threads
8 and 8
Base power
130 W
Codename
Westmere-EX
Segment
Server
Clocks
2.66 / 2.8 GHz

Intel Xeon E7-8837 specifications

Cores8
Threads8
Core architectureWestmere-EX cores on 32 nm
Clocks2.66 GHz base, 2.8 GHz turbo
Cache24 MB Intel Smart Cache (L3)
Processor base power (TDP)130 W
Manufacturing process32 nm
Memory supportDDR3-1066, ECC registered with buffering, four channels per socket
QPI linksQuickPath Interconnect links
PCI ExpressNo lanes from the CPU; I/O via Intel 7500 chipset
Integrated graphicsNone (server part)
MultiplierLocked
ECC memorySupported
PackageFCLGA1567

Motherboard and chipset compatibility

Intel Xeon E7-8837 needs a motherboard with a LGA 1567 socket. The table shows which chipset series accept it.

SeriesChipsetsSupport
7500 Boxboro7500Works out of the box

Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 1567.

LGA 1567 at a glance

TypeLGA, 1,567 contacts
Package sizen/a
IntroducedMarch 2010
MemoryDDR3 ECC registered with buffering, four channels per socket
Cooler mounting holesBoard specific (server heatsink)

Read the full LGA 1567 socket guide

What the Xeon E7-8837 is

Intel Xeon E7-8837 is an eight core Westmere-EX server processor that Intel released in April 2011 for large server boards. It runs at 2.66 GHz base with turbo to 2.8 GHz and has no Hyper-Threading, so 8 cores give 8 threads. Cache is 24 MB Intel Smart Cache. Power is 130 W on a 32 nm process.

The missing Hyper-Threading sets it apart in the E7 range. Per-core licensing models favor 8 fast threads without doubling. Base clocks sit high for single socket throughput.

There is no integrated graphics on this die. Each socket carries four DDR3 channels with ECC. The chip launched in the second quarter of 2011.

Socket and motherboard compatibility

The Xeon E7-8837 fits LGA 1567 in FCLGA1567 form. Large server boards with the Intel 7500 chipset carry it. The board BIOS must list the exact E7-8837 string.

CPUs connect over QuickPath Interconnect, while PCIe comes from the chipset. A board that lists E7-8800 strings is the safe choice.

Memory, PCIe and cooling

Memory support is DDR3-1066, ECC registered with buffering, four channels per socket. Fill risers in matched sets per the board manual. Capacity follows the board design.

QPI links connect sockets on large boards. PCIe comes from the Intel 7500 chipset rather than the processor.

Cooling uses board specific server heatsinks under data center airflow. Confirm ECC logs stay clear in always on service.

Upgrade paths

On LGA 1567 the E7-8837 can move to the E7-8830 for Hyper-Threading with 16 threads on a similar board. Memory and storage carry over where the board lists both strings. A same family eight core reference is Intel Xeon E7-8830.

A platform move to a current server socket needs new boards and DDR4 memory. Keep the E7 board for licensed per-core duty.

Frequently asked questions

What socket does the Intel Xeon E7-8837 use?

It uses LGA 1567 on large server boards.

Does the Xeon E7-8837 have Hyper-Threading?

No. Eight cores give 8 threads, unlike most E7 parts with Hyper-Threading.

What memory does the Xeon E7-8837 use?

DDR3-1066 ECC registered with buffering, four channels per socket.

What is the upgrade path from a Xeon E7-8837?

The E7-8830 for 16 threads with Hyper-Threading on a similar board.

Sources and verification

  1. Products formerly Westmere EX (Intel ARK, E7-8837 2.66 GHz turbo 2.8 24MB 130W Q2-11)
  2. Westmere (Wikipedia, E7-8837 8 cores 2.66 GHz Apr 2011)

Facts last checked against these sources on . Page last edited on .