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
- Family
- Intel Xeon E3
- Clocks
- 3.3 / 3.7 GHz
Intel Xeon E3-1226 v3 specifications
| Cores | 4 |
|---|---|
| Threads | 4 |
| Core architecture | Haswell-WS cores on 22 nm |
| Clocks | 3.3 GHz base, up to 3.7 GHz turbo |
| Cache | 8 MB Smart Cache |
| Processor base power (TDP) | 84 W |
| Manufacturing process | 22 nm |
| Memory support | DDR3-1600, two channels, ECC |
| PCI Express | PCIe 3.0, 16 lanes |
| Integrated graphics | Intel HD Graphics P4600 (350 MHz to 1.2 GHz) |
| Multiplier | Locked |
| Package | FCLGA1150 (37.5 × 37.5 mm) |
| ECC memory | Yes (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.
| Series | Chipsets | Support |
|---|---|---|
| C220 series | C222, C224, C226 | Works 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
| Type | LGA, 1,150 contacts |
|---|---|
| Package size | 37.5 × 37.5 mm |
| Introduced | June 2013 |
| Memory | DDR3 and DDR3L |
| Cooler mounting holes | 75 × 75 mm |
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
- List of Intel Xeon processors Haswell-based (Wikipedia, E3-1226 v3 3.3 GHz P4600 84W)
- LGA 1150 (Wikipedia, C222 C224 C226 Xeon chipsets)
- Haswell microarchitecture (Wikipedia, Haswell-WS data)
Facts last checked against these sources on . Page last edited on .