IBM 41Y8926 USB memory key pre-loaded with VMware ESXi 4.1 Update 1, designed for installation and boot on IBM x86 servers. This flash-based boot device eliminates the need for internal storage media and enables diskless server configurations or consolidated boot environments. Compatible with IBM System x servers supporting USB boot capabilities. Typical deployments include lab environments, virtualization clusters, and test infrastructure where ESXi 4.1 U1 compatibility is required. Form factor: compact USB stick; interface: USB 2.0; capacity and read/write specifications standard for enterprise USB keys. Tested and guaranteed; available via quote.