Template:mpu Xeon E7-2820 is a 64-bit octa-core x86 data center microprocessor that supports up to 2 sockets. This first generation Xeon E7 processor, Westmere-based, operates at a base frequency of 2 GHz with turob frequency of 2.266 GHz for 2 active cores. This chip has a TDP of 105 W, supporting up to 4 channels of DDR3 with support of up to 1 TB of memory.

Cache

Main article: Westmere § Cache

Cache Info [Edit Values]
L1I$	256 KiB 262,144 B 0.25 MiB	8x32 KiB 4-way set associative (per core)
L1D$	256 KiB 262,144 B 0.25 MiB	8x32 KiB 8-way set associative (per core)
L2$	2 MiB 2,048 KiB 2,097,152 B 0.00195 GiB	8x256 KiB 8-way set associative (per core)
L3$	18 MiB 18,432 KiB 18,874,368 B 0.0176 GiB	16-way set associative

Graphics

This SoC has no integrated graphics processing unit.

Memory controller

Integrated Memory Controller
Type	DDR3-800, DDR3-978, DDR3-1066
Controllers	1
Channels	4
ECC Support	Yes
Max memory	1024 GB