Intel Xeon E3-1226 v3 socket: LGA 1150

The Intel Xeon E3-1226 v3 uses the LGA 1150 socket. It is a quad Haswell-WS workstation part at 3.3 GHz with turbo to 3.7 GHz and 84 W with HD Graphics P4600 and ECC memory.

Socket
LGA 1150
Launched
May 2014
Cores and threads
4 and 4
Base power
84 W
Codename
Haswell-WS
Segment
Server
Clocks
3.3 / 3.7 GHz

Intel Xeon E3-1226 v3 specifications

Cores4
Threads4
Core architectureHaswell-WS cores on 22 nm
Clocks3.3 GHz base, up to 3.7 GHz turbo
Cache8 MB Smart Cache
Processor base power (TDP)84 W
Manufacturing process22 nm
Memory supportDDR3-1600, two channels, ECC
PCI ExpressPCIe 3.0, 16 lanes
Integrated graphicsIntel HD Graphics P4600 (350 MHz to 1.2 GHz)
MultiplierLocked
PackageFCLGA1150 (37.5 × 37.5 mm)
ECC memoryYes (with C220 board)

Motherboard and chipset compatibility

Intel Xeon E3-1226 v3 needs a motherboard with a LGA 1150 socket. The table shows which chipset series accept it.

SeriesChipsetsSupport
C220 seriesC222, C224, C226Works 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 1150.

LGA 1150 at a glance

TypeLGA, 1,150 contacts
Package size37.5 × 37.5 mm
IntroducedJune 2013
MemoryDDR3 and DDR3L
Cooler mounting holes75 × 75 mm

Read the full LGA 1150 socket guide

What the Xeon E3-1226 v3 is

The Xeon E3-1226 v3 is a workstation Haswell quad for single socket servers and CAD desks on LGA 1150. Intel set four cores and four threads at 3.3 GHz base with turbo to 3.7 GHz. Eight megabytes of Smart Cache serve builds and models. Power is 84 W on 22 nm from May 2014. No Hyper-Threading keeps behavior fixed for certified workstation images.

Four threads at high clocks suit single socket workstation loads that prize speed over parallelism. Turbo to 3.7 GHz lifts modeling steps and compiles. Certified drivers pair it with professional graphics on C220 boards. ECC memory guards long renders against bit errors. An SSD completes the desk for daily use. Buyers pick the 1226 v3 where workstation graphics and ECC matter more than thread count.

HD Graphics P4600 from 350 MHz to 1.2 GHz drives office monitors with professional driver paths. DDR3-1600 with ECC over two channels feeds the socket. The mix is a workstation socket for entry CAD where four fast threads with ECC are the brief.

Socket and motherboard compatibility

The E3-1226 v3 fits LGA 1150 on C220 series boards such as C222, C224 and C226 for ECC workstation use. Desktop 8 and 9 series boards may boot it without ECC, but workstation features need C220 firmware. Check the vendor CPU table for the minimum BIOS with v3 microcode.

Memory is DDR3 ECC UDIMMs over two channels. The Socket vs chipset: what decides whether a CPU works guide covers desktop series, so follow workstation manuals for C220 populations. Cooler mounting is 75 × 75 mm with towers rated for 84 W. Chips for LGA 1151 never fit.

A move to eight thread E3 v3 on the same socket adds threads where renders queue. Confirm chipset and power before swapping a 4 thread part for an 8 thread one.

Memory, PCIe and cooling

DDR3-1600 with ECC over two channels suits workstation desks. Sixteen gigabytes covers CAD with an SSD. Two matched ECC sticks protect long jobs. Speed steps down with population per manual. Non ECC DDR3 works on desktop boards but drops protection.

Sixteen PCIe 3.0 lanes from the CPU feed professional graphics or accelerators. Workstation designs wire x16 to a Quadro card with chipset lanes for storage. Board manuals show slot sharing with M.2 adapters on 9 series based workstation boards.

Vendor or boxed 84 W cooling handles 3.3 GHz in towers with normal vents. The 37.5 × 37.5 mm FCLGA1150 package fits standard mounts. Keep airflow over memory for steady all day turbo.

Upgrade paths

On the same socket the Intel Xeon E3-1231 v3 at 3.4 GHz to 3.8 GHz with eight threads is the thread step for parallel builds on similar boards. The Intel Core i7-4790K at 4.0 GHz to 4.4 GHz is a desktop alternative with higher clocks but no ECC path. Both need board checks for chipset support.

A larger server socket means platforms such as LGA 2011-v3. The E3-1226 v3 covers workstation desks where four ECC threads at 84 W are enough.

Frequently asked questions

What socket does the Xeon E3-1226 v3 use?

It uses LGA 1150 on C220 series workstation boards.

How many cores does the Xeon E3-1226 v3 have?

Four cores and four threads at 3.3 GHz base with turbo to 3.7 GHz.

Which graphics does the Xeon E3-1226 v3 include?

Intel HD Graphics P4600 from 350 MHz to 1.2 GHz.

What is the TDP of the Xeon E3-1226 v3?

84 W with ECC workstation memory.

Sources and verification

  1. List of Intel Xeon processors Haswell-based (Wikipedia, E3-1226 v3 3.3 GHz P4600 84W)
  2. LGA 1150 (Wikipedia, C222 C224 C226 Xeon chipsets)
  3. Haswell microarchitecture (Wikipedia, Haswell-WS data)

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