IBM NeXtScale System Planning And Implementation Manual page 32

Its also difficult to locate a single dense server in a row of dense racks and
then go round the back to service the cabling. Having all of the cabling on the
front simplifies and reduces the chances of mis-cabling or pulling the wrong
server.
Installation in a three-phase power data center.
The design of six power supplies per chassis allows seamless installation into
data centers with three-phase power. With six supplies and two, three-phase
feeds, we perfectly optimize and balance power delivery; no waste, no
inefficiency.
The compute nodes are unpainted metal.
Unlike every other x86 server IBM offers, these do not have a black front to
them, which indicates simplicity and efficiency.
IBM NeXtScale System is scalable in the following ways:
Scaling is for everyone
As we describe scale, do not assume its only for massive deployments; even
a small one-chassis solution can change what users believe can be done.
No matter whether you start small and grow or start huge and grow
enormously, NeXtScale is designed to be run and managed at scale as a
single solution.
NeXtScale System is built on what we learned about the financial aspects of
scale-out.
Every decision that we made about the product was aimed at improving our
clients impact per dollar, whether that meant removing components that are
not required or by selecting more energy efficient parts to reduce power
usage and, therefore, power costs.
The hardware can be used on its own or paired with a leadership stack that is
optimized for the work load.
Whether you are running a high-performance computing (HPC) application
that is optimized with Platform Computing or run on top of an
industry-standard, open-source tool, NeXtScale System makes it easy. Same
for Cloud (OpenStack and other industry standard, open stacks, or IBM Smart
Cloud); both are viable and bring value.
Scalable to the container level.
IBM NeXtScale System can meet the needs of clients who want to add IT at
the rack level or even at the container level. Racks can be fully configured,
cabled, labeled, and programmed before they are shipped. IBM also can take
configured racks and assemble them into complete, containerized solutions
with power, cooling, and infrastructure delivered ready to go.
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IBM NeXtScale System Planning and Implementation Guide