Product guide

IBM Flex System x440 Compute Node 24
Power supplies
Server power is derived from the power supplies installed in the chassis. There are no server options
regarding power supplies.
Integrated virtualization
The x440 supports the ESXi hypervisor on a USB memory key via two internal USB ports (see Figure 3).
The supported USB memory keys are listed in the following table.
There are two types of USB keys, preloaded keys or blank keys. Blank keys allow you to download an
IBM customized version of ESXi and load it onto the key. The x440 supports one or two keys installed, but
only certain combinations:
Supported combinations:
One preload key

One blank key

One preload key and one blank key

Two blank keys

Unsupported combinations:
Two preload keys

Installing two preloaded keys will prevent ESXi from booting as described in
http://kb.vmware.com/kb/1035107. Having two keys installed provides a backup boot device. both devices
are listed in the boot menu, which allows you to boot from either device or to set one as a backup in case
the first one gets corrupted.
The supported USB memory keys are listed in the following table.
Table 15. Virtualization options
Part number Feature code Description Maximum
supported
41Y8298 A2G0 IBM Blank USB Memory Key for VMware ESXi Downloads 2
41Y8300 A2VC IBM USB Memory Key for VMware ESXi 5.0 2
41Y8307 A383 IBM USB Memory Key for VMware ESXi 5.0 Update 1 2
41Y8311 A2R3 IBM USB Memory Key for VMware ESXi 5.1 2