Chapter 1. Introduction to IBM Flex Systems and IBM PureSystems offerings 15
Environmental specifications
The chassis is designed to operate in temperatures up to 40°c (104°F), in ASHRAE class A3
operating environments.
The airflow requirements for the Enterprise Chassis are from 270 CFM (cubic feet per minute)
to a maximum of 1020 CFM.
Environmental specifications are as follows:
Humidity, non-condensing: -12°C dew point (10.4°F) and 8% - 85% relative humidity
Maximum dew point: 24°C (75°F)
Maximum elevation: 3050 m (10.006 ft.)
Maximum rate of temperature change: 5°C/hr. (41°F/hr.)
Heat output (approximate):
Maximum configuration: potentially 12.9kW
The 12.9 kW figure is only a potential maximum, where the most power hungry configuration
is chosen and all power envelopes are maximum. For a more realistic figure, the IBM Power
Configurator tool can be made to establish specific power requirements for a given
configuration.
The Power Configurator tool can be found at the following website:
http://www.ibm.com/systems/x/hardware/configtools.html
1.4 Compute nodes
The IBM Flex System portfolio of compute nodes includes those with Intel Xeon processors or
with IBM POWER7® processors. Depending on the compute node design, it can come in one
of two different form factors:
Half-wide node: Occupies one chassis bay, half the width of the chassis (approximately
215 mm or 8.5”).
Full-wide node: Occupies two chassis bays side-by-side, the full width of the chassis
(approximately 435 mm or 17”).
The applications installed on the compute nodes can be running on an operating system run
natively on a dedicated physical server or can be virtualized in a virtual machine managed by
a hypervisor layer. Here we provide a summary of the compute nodes. For further detailed
information about these topics, see the IBM Flex System p260 and p460 Planning and
Implementation Guide, SG24-7989 and IBM PureFlex System and IBM Flex System Products
and Technology, SG24-7984.
1.4.1 IBM Flex System x440 Compute Node
The IBM Flex System x440 Compute Node (machine type 7917) is a high-density four socket
server, optimized for high-end virtualization, mainstream database deployments,
memory-intensive and high performance environments.
The IBM Flex System x440 Compute Node is a double-wide compute node providing
scalability to support up to four Intel Xeon E5-4600 processors. The node’s width allows for a
significant I/O capability.
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