Editing nvidia/nvswitch

{{nvidia title|NVSwitch}}
{{chip
|chip type=integrated circuit
|name=NVSwitch
|no image=Yes
|designer=Nvidia
|manufacturer=TSMC
|market=Server
|market 2=Workstation
|first announced=March 27, 2018
|first launched=March 27, 2018
|transistors=2,000,0000,000
|technology=CMOS
|power=100 W
}}
'''NVSwitch''' is an 18-port {{nvidia|NVLink}} switch. Fabricated on [[TSMC]]'s [[12 nm process]] for a total of 2 billion transistors, the switch has a total bandwidth of 900 GB/s. The NVSwitch is currently only utilized in Nvidia's own {{nvidia|DGX-2}} AI computer.

== Overview ==
The NVSwitch was introduced with the launch of Nvidia's {{nvidia|DGX-2}} computer. The NVSwitch is a 2 billion transistor, 18-port, {{nvidia|NVLink}} switch. With each port operating at 50 GB/s, the switch has a total bandwidth of 900 GB/s. The switch allows up to any nine devices to be routed to any of the other nine devices. The DGX-2 uses 6 NVLinks per baseboard to create a fully-connected network of GPUs.


:[[File:dgx2 nvswitch baseboard diagram.svg|800px]]


The DGX-2 has two baseboards to fully connect all 16 {{nvidia|V100}} GPUs to each other. Each switch does have 2 ports unused. It's possible those ports will be used in configurations involving the {{ibm|POWER9}} microprocessors which have native support for NVLink 2.0.


:[[File:dgx2 nvswitch baseboard diagram with two boards connected.svg|800px]]

== Die ==
* TSMC's [[12 nm process|12nm FFN (Nvidia) process]]
* 2,000,000,000 transistors
* 20mm x 20mm (4 cm²) BGA package
** 1,940 pins
** 576 NVLink signals


:[[File:nvidia nvswitch die shot.png|1200px]]


:[[File:nvidia nvswitch die shot (annotated).png|1200px]]

== See also ==
* {{nvidia|NVLink}}

== Reference ==
* Nvidia, GTC 2018, March 2018
designer	Nvidia +
first announced	March 27, 2018 +
first launched	March 27, 2018 +
full page name	nvidia/nvswitch +
instance of	integrated circuit +
ldate	March 27, 2018 +
manufacturer	TSMC +
market segment	Server + and Workstation +
name	NVSwitch +
power dissipation	100 W (100,000 mW, 0.134 hp, 0.1 kW) +
technology	CMOS +