Intel Xeon X5570 socket: LGA 1366

The Intel Xeon X5570 uses the LGA 1366 socket. It is a 95 W quad core Gainestown server part at 2.933 GHz with Turbo Boost to 3.333 GHz and 8 MB of L3 cache.

Socket
LGA 1366
Launched
March 2009
Cores and threads
4 and 8
Base power
95 W
Codename
Nehalem-EP
Segment
Server
Clocks
2.93 / 3.33 GHz

Intel Xeon X5570 specifications

Cores4
Threads8
Core architectureGainestown cores on 45 nm
Clocks2.933 GHz base, 3.333 GHz Turbo Boost
Cache8 MB L3 (shared)
Processor base power (TDP)95 W
Manufacturing process45 nm
Memory supportDDR3 ECC triple channel
PCI ExpressPCIe Gen 2 from the chipset
Integrated graphicsNone
MultiplierLocked
PackageLGA1366

Motherboard and chipset compatibility

Intel Xeon X5570 needs a motherboard with a LGA 1366 socket. The table shows which chipset series accept it.

SeriesChipsetsSupport
5500 and 5520 server5500, 5520Works 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 1366.

LGA 1366 at a glance

TypeLGA, 1,366 contacts
Package sizen/a
Introduced2008
MemoryDDR3 triple channel, up to 24 GB on desktop boards
Cooler mounting holes80 × 80 mm

Read the full LGA 1366 socket guide

What the Xeon X5570 is

The Intel Xeon X5570 is a quad core Gainestown server processor from March 2009. It runs four Nehalem cores at 2.933 GHz base with Turbo Boost to 3.333 GHz, with Hyper-Threading for eight threads. Cache is 8 MB of shared L3 on a 45 nm process. Power is rated at 95 W.

Preview tables place the X5570 at 2.93 GHz with 8 MB and 95 W. Against the X5560 it adds base and turbo speed at the same 95 W for database hosts.

Memory is DDR3 ECC triple channel per socket.

Socket and motherboard compatibility

The Xeon X5570 fits LGA 1366 with 1366 lands. Intel 5500 and 5520 chipset boards boot Gainestown directly.

The socket table covers Nehalem-EP natively. The Socket vs chipset: what decides whether a CPU works guide covers pairing rules.

Memory, PCIe and cooling

Memory is DDR3 ECC triple channel per socket.

QPI links scale to dual socket nodes, with PCIe Gen 2 from the chipset.

Cooling uses server heatsinks rated for 95 W.

Upgrade paths

On LGA 1366 the server upgrade is a Westmere-EP on the same board. Beyond LGA 1366 a move to Sandy Bridge E5 needs a new board.

Frequently asked questions

What socket does the Xeon X5570 use?

LGA 1366, the 1366-land package on 5500 and 5520 chipset boards. Gainestown is the Xeon 5500 name for Nehalem-EP.

How many cores does the Xeon X5570 have?

Four cores and eight threads at 2.933 GHz base with Turbo Boost to 3.333 GHz, with 8 MB of shared L3 cache.

What memory works with the Xeon X5570?

DDR3 ECC triple channel per socket.

Sources and verification

  1. Preview Here Comes Intels Nehalem (CRN)
  2. Tested Processor List for Intel 5500 and 5520 Chipset (Intel)

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