Intel Xeon E5-2637 socket: LGA 2011

The Intel Xeon E5-2637 uses the LGA 2011 socket. It is an 80 W dual core Sandy Bridge-EP server part with 4 threads at 3.0 GHz to 3.5 GHz.

Socket
LGA 2011
Launched
March 2012
Cores and threads
2 and 4
Base power
80 W
Segment
Server
Clocks
3.0 / 3.5 GHz

Intel Xeon E5-2637 specifications

Cores2
Threads4
Core architectureSandy Bridge-EP cores on 32 nm
Clocks3.0 GHz base, up to 3.5 GHz turbo
Cache5 MB
Processor base power (TDP)80 W
Manufacturing process32 nm
Memory supportDDR3-800 to 1600, four channels, ECC
PCI ExpressPCIe 3.0, 40 lanes
Integrated graphicsNone (server board graphics)
MultiplierLocked
PackageFCLGA2011

Motherboard and chipset compatibility

Intel Xeon E5-2637 needs a motherboard with a LGA 2011 socket. The table shows which chipset series accept it.

SeriesChipsetsSupport
C600 seriesC602Works 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 2011.

LGA 2011 at a glance

TypeLGA, 2,011 contacts
Package size52.5 × 45 mm
IntroducedNovember 2011
MemoryDDR3 quad channel, up to 1866 MT/s, up to 64 GB on desktop boards
Cooler mounting holes80 × 80 mm

Read the full LGA 2011 socket guide

What the Xeon E5-2637 is

Intel Xeon E5-2637 is a dual core Sandy Bridge-EP server processor that Intel released in March 2012 for frequency sensitive dual socket servers. It runs at 3.0 GHz base with turbo to 3.5 GHz, with 5 MB cache and Hyper-Threading for 4 threads. Power is rated at 80 W on a 32 nm process. Two very fast cores with a small cache suit licensed per socket software and single threaded services.

No integrated graphics are present. Memory spans DDR3-800 to 1600 over four channels with ECC, and the chip gives 40 PCIe 3.0 lanes plus two 8.0 GT/s QPI links. High clocks with few cores keep per thread performance direct where licenses cap sockets.

Boards pair it with registered DIMMs and fast storage for latency sensitive tiers. All core work near 3.0 GHz behaves like a fast desktop with server I/O. The How to find your CPU socket type guide shows how to confirm the socket before ordering.

Socket and motherboard compatibility

The Xeon E5-2637 fits LGA 2011 in FCLGA2011 form. Dual socket Romley boards with the C600 series controller carry it. The vendor list must include the exact E5-2637 string with Sandy Bridge-EP microcode.

At 80 W standard server cooling applies. The Socket vs chipset: what decides whether a CPU works guide covers server BIOS rules.

Memory, PCIe and cooling

Memory support is DDR3 at 800, 1066, 1333 or 1600 MT/s, four channels, with ECC and registered DIMMs. Four channels feed two fast cores with high bandwidth per thread.

PCI Express is 40 lanes of PCIe 3.0 per socket. Two QPI links at 8.0 GT/s join pairs. I/O placement follows NUMA on dual boards.

Cooling is vendor qualified for 80 W with chassis airflow. No retail mount exists.

Upgrade paths

Within LGA 2011 the Xeon E5-2637 can move to higher core Sandy Bridge-EP or Ivy Bridge-EP parts on the same board, trading clocks for threads. Memory and storage carry over. A v2 comparison is Intel Xeon E5-2637 v2 on the same socket.

A platform move means a DDR4 generation. Keep the node for licensed per socket duty where fast Sandy cores still matter.

Frequently asked questions

What socket does the Intel Xeon E5-2637 use?

It uses LGA 2011. C600 series dual socket boards carry it.

Why does the Xeon E5-2637 have only two cores?

It targets per socket licensed software and single threaded services with very high clocks instead of core count.

What memory does the Xeon E5-2637 use?

DDR3 at 800, 1066, 1333 or 1600 MT/s, four channels, with ECC and registered DIMMs.

Is the Xeon E5-2637 for dual socket boards?

Yes. The 2600 numbering allows two sockets.

Sources and verification

  1. Intel Xeon E5-2637 Specifications (ARK)
  2. Intel Xeon E5-2637 Specs (TechPowerUp)

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