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
LSI Logic Mega Raid 9750-24i4e 28-port SAS RAID Controller *USED*
$70.00
ORICO 5Bay Raid Hard Drive Enclosure USB3.0 to SATA for 3.5'' HDD SSD 150W Power
$194.99
Intel VROC Virtual RAID Upgrade Key (Standard) BD 5Module VROCSTANMOD J55901-103
$79.99
NEW LSI MegaRAID 9361-4I Raid Controller Card 4 ports + Cache Vault + Battery
$55.00
DELL X60RX ASR 8805 Adaptec 12GB/s SAS SATA SSD Raid Controller Card PCI E
$42.94
Adaptec - ASR-7805 6Gbs SAS- PCI EXPRESS 3.0 X8 -1GB Cache RAID Controller Card
$24.99
Dell Perc H730P PCIe Adapter SAS / SATA Raid Controller Low Profile Card X4TTX
$34.97
Dell PERC H810 PCIe RAID Controller 1GB cache 6GB 0NDD93 NDD93 w/batt
$25.00
Dell GP6RN PERC H740P 12G 8GB Cache Mini Mono RAID Controller
$68.29
DELL X60RX ASR 8805 Adaptec 12GB/s SAS SATA SSD Raid Controller Card PCI E
$42.94