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Core i7-3960X Extreme Edition
General Info
Designer	Intel
Manufacturer	Intel
Model Number	i7-3960X
Part Number	CM8061907184018, CM8061907184017, BX80619I73960X
S-Spec	SR0GW, SR0KF QBU9 (QS), QBE7 (QS)
Market	Desktop
Introduction	November 14, 2011 (announced) November 14, 2011 (launched)
End-of-life	September 26, 2014 (last order) March 6, 2015 (last shipment)
Shop	Amazon
General Specs
Family	Core i7EE
Series	Core i7-3900
Locked	No
Frequency	3300 MHz
Turbo Frequency	Yes
Turbo Frequency	3900 MHz (1 core), 3900 MHz (2 cores), 3800 MHz (3 cores), 3800 MHz (4 cores), 3600 MHz (5 cores), 3600 MHz (6 cores)
Bus type	DMI 2.0
Bus rate	5 GT/s
Clock multiplier	33
CPUID	206D7
Microarchitecture
Microarchitecture	Sandy Bridge
Platform	6 Series Chipset
Core Name	Sandy Bridge E
Core Stepping	C1, C2
Process	32 nm
Transistors	2,270,000,000
Technology	CMOS
Die	434.72 mm² 20.9 mm × 20.8 mm
Word Size	64 bit
Cores	6
Threads	12
Max Memory	64 GiB
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
TDP	130 W
OP Temperature	0 °C – 66.8 °C

The Core i7-3960X Extreme Edition was a 64-bit high-end hexa-core microprocessor introduced by Intel in late 2011. The i7-3960X operates at 3.3 GHz with turbo mode of up to 3.9 GHz. Fabricated in 32 nm based on the Sandy Bridge microarchitecture, this chip supports up to 64 GiB (DDR3) of memory and has a Thermal Design Power of 130 W.

Cache

Main article: Sandy Bridge § Cache

Cache Info [Edit Values]
L1I$	192 KiB 196,608 B 0.188 MiB	6x32 KiB 8-way set associative (per core)
L1D$	192 KiB 196,608 B 0.188 MiB	6x32 KiB 8-way set associative (per core)
L2$	1,536 KiB 1.5 MiB 1,572,864 B 0.00146 GiB	6x256 KiB 8-way set associative (per core)
L3$	15 MiB 15,360 KiB 15,728,640 B 0.0146 GiB	20-way set associative (shared)

Graphics

This SoC has no integrated graphics processing unit.

Memory controller

Integrated Memory Controller
Type	DDR3-1066, DDR3-1333, DDR3-1600
Controllers	1
Channels	4
ECC Support	No
Max bandwidth	51.2 GB/s
Max memory	64 GiB

Expansions

[Edit/Modify Expansions Info]

	Expansion Options
	PCIe Revision 2.00 Max Lanes 40 Configs x1, x4, x8

Features

[Edit/Modify Supported Features]

	Supported x86 Extensions & Processor Features
	MMX MMX Extension SSE Streaming SIMD Extensions SSE2 Streaming SIMD Extensions 2 SSE3 Streaming SIMD Extensions 3 SSSE3 Supplemental SSE3 AVX Advanced Vector Extensions AES AES Encryption Instructions NX No-eXecute HT Hyper-Threading TBT 2.0 Turbo Boost Technology 2.0 EIST Enhanced SpeedStep Technology EPT Extended Page Tables (SLAT)

• Note: VT-d support is only available on the C2 stepping version.

Die shot

• 6 cores (Note: die contains 2 fused off cores)
• 2,270,000,000 transistors
• 20.8 mm x 20.9 mm
• 434.72 mm²

See also

• Core i7 Extreme Edition