Intel Xeon E5-4650L socket: LGA 2011
The Intel Xeon E5-4650L uses the LGA 2011 socket. It is a 115 W eight core Sandy Bridge-EP server part with 16 threads at 2.6 GHz to 3.1 GHz.
- Socket
- LGA 2011
- Launched
- May 2012
- Cores and threads
- 8 and 16
- Base power
- 115 W
- Codename
- Sandy Bridge-EP
- Segment
- Server
- Family
- Intel Xeon E5
- Clocks
- 2.6 / 3.1 GHz
Intel Xeon E5-4650L specifications
| Cores | 8 |
|---|---|
| Threads | 16 |
| Core architecture | Sandy Bridge-EP cores on 32 nm |
| Clocks | 2.6 GHz base, up to 3.1 GHz turbo |
| Cache | 20 MB |
| Processor base power (TDP) | 115 W |
| Manufacturing process | 32 nm |
| Memory support | DDR3-800 to 1600, four channels, ECC |
| PCI Express | PCIe 3.0, 40 lanes |
| Integrated graphics | None (server board graphics) |
| Multiplier | Locked |
| Package | FCLGA2011 |
Motherboard and chipset compatibility
Intel Xeon E5-4650L needs a motherboard with a LGA 2011 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| C600 series | C602 | 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 2011.
LGA 2011 at a glance
| Type | LGA, 2,011 contacts |
|---|---|
| Package size | 52.5 × 45 mm |
| Introduced | November 2011 |
| Memory | DDR3 quad channel, up to 1866 MT/s, up to 64 GB on desktop boards |
| Cooler mounting holes | 80 × 80 mm |
What the Xeon E5-4650L is
Intel Xeon E5-4650L is an eight core Sandy Bridge-EP server processor that Intel released in May 2012 for quad socket servers. It runs at 2.6 GHz base with turbo to 3.1 GHz, with 20 MB cache and Hyper-Threading for 16 threads per socket. Power is rated at 115 W on a 32 nm process. The 4600 numbering allows four socket operation with two QPI links per CPU in a ring, which separates it from dual socket 2600 parts.
No integrated graphics are present. Memory spans DDR3-800 to 1600 over four channels with ECC per socket, and each chip gives 40 PCIe 3.0 lanes. Sixty-four threads across four sockets suit large virtualization and database clusters of the period.
Boards are four socket Romley boards with the C600 series controller and vendor firmware. High base clocks keep per thread performance direct despite the scale. The LGA, PGA and BGA: CPU package types explained guide contrasts this large socketed server part with soldered designs.
Socket and motherboard compatibility
The Xeon E5-4650L fits LGA 2011 in FCLGA2011 form. Quad socket Romley boards with the C600 series controller carry it. The vendor list must show the exact E5-4650L string with Sandy Bridge-EP microcode, since four socket firmware differs from dual socket releases.
At 115 W per socket, chassis cooling and power delivery must cover four populated sockets. The Socket vs chipset: what decides whether a CPU works guide covers server pairing.
Memory, PCIe and cooling
Memory support is DDR3 at 800, 1066, 1333 or 1600 MT/s, four channels per socket, with ECC and registered DIMMs. Balance DIMMs across all four sockets for bandwidth, since remote memory crosses QPI links.
PCI Express is 40 lanes of PCIe 3.0 per socket for network and storage I/O. Two QPI links per CPU join four sockets in a ring. NUMA tuning matters greatly at this scale.
Cooling is vendor qualified for 115 W per socket with strong chassis airflow. No retail mount exists.
Upgrade paths
Within LGA 2011 the Xeon E5-4650L can move to faster Sandy Bridge-EP or Ivy Bridge-EP four socket parts on the same board, where vendor lists allow. All four sockets should match stepping and speed. Memory and storage carry over.
A platform move means a DDR4 multi socket generation. Keep the cluster for scale out duty where sixty-four Sandy threads still serve.
Frequently asked questions
What socket does the Intel Xeon E5-4650L use?
It uses LGA 2011. Quad socket C600 series boards carry it.
How many sockets does the Xeon E5-4650L support?
Up to four sockets. The 4600 numbering allows quad operation unlike the dual 2600 line.
What memory does the Xeon E5-4650L use?
DDR3 at 800, 1066, 1333 or 1600 MT/s, four channels per socket, with ECC and registered DIMMs.
Does the Xeon E5-4650L have Hyper-Threading?
Yes. Eight cores give 16 threads per socket with turbo to 3.1 GHz.
Sources and verification
Facts last checked against these sources on . Page last edited on .