JULY 2020 PCWorld 19directions. If that makes no sense, we read
the company’s patent application
(US20200093035A1) and it appears to
work by allowing a server or laptop to
reverse the flow of air based on which
method offers cooling.
Most laptops intake air from the bottom
and exhaust it out near the hinges away from
the user. Since laptops can have impeded air
flow on the bottom, the XPS 17 likely
automatically or lets the user reverse the air
flow when that direction works better.ADAPTER
We rarely spend a lot of words on a laptop’s
charging system, but Dell said two optionsDell’s XPS 17 features vapor chambers and a “Dual Opposite” fan design, which is supposed to increase
airflow by 30 percent.
inexpensive, but they also tend to be thicker
and less efficient.
Vapor chambers are flat chambers that
help spread the heat. Vapor chambers can be
found in graphics cards and were even used
for a Razer laptop.
Dell said the new system offers about 90
watts of cooling, which the company claims is
impressive for a 19.5mm-thick laptop. Dell
again uses Gore insulation material to keep
the keyboard deck cooler and channel heat
away from your fingertips.
Dell’s other trick with the XPS 17 9700 is
a patent pending “Dual Opposite” fan that
the company said increases airflow by 30
percent by increasing air flow in both