In the English version of Windows 7
Control Panel - Systems and Security - Administative Tools - Create and Format Hard Disk Partition
A pictorial view of your partitions is displayed
Right click the partition to resize and select Shrink Volume
IBM X3650 M5 8871-AC1, 2 X E5-2620V4 2.1 GHZ,20M, 32 GB, DUAL 750W, 2 X 1TB HDD
$369.99
IBM Power S822 12-Bay Server System Power8 Core 3.42Ghz DVD-Rom Drive 64GB No HD
$399.99
$16000.00
IBM Power 720 POWER7 00E6516 3.6GHz CPU 64GB RAM Server
$209.98
IBM Power 740 8205-E6C Express 8-SFF Power7 3.55GHz CPU 64GB RAM *No HDD* Server
$191.99
IBM 7944AC1 System x3550 M3 Server 1*Intel Xeon X5650 2.67GHz 4GB SEE NOTES
$26.97
$100.00
IBM System x3650 M3 Server (16GB RAM, 2x Intel Xeon E5649) w/ Rail Kit
$125.00
IBM System X3500 M4 7383AC1 (E5-2650 v2 2.60GHz - 192GB RAM - M2000 - NO OS/HDD)
$264.92
IBM System X 3250 M5 Single Xeon Quad Core E3-1220 v3 @3.1GHz,8GB RAM,Linux SUSE
$159.00