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
ORICO Multi Bay RAID Hard Drive Enclosure USB 3.0/ Type-C For 2.5/3.5'' HDD SSDs
$179.99
Dell EMC 092GD6 Broadcom 9305-16i LSI Quad Port 4 Port SAS RAID Controller
$84.99
OWC Guardian Maximus Raid Enclosure SATA Hard Drive FireWire
$36.99
CompUSA Internal 2 Bay Removable Rack for 3 SATA Hard Drives Raid Configurations
$25.00
Dell PERC H330 PCIe 3.0 x8 RAID Storage Controller 4Y5H1 High Profile
$15.99
Inspur LSI YZCA-00424-101 Raid Card 12Gbps HBA Controller Low Profile 9300-8i IT
$15.98
LSI MegaRAID 9361-8i 12Gbps PCIe 3 x8 SATA SAS 3 8 Port RAID + BBU & CacheVault
$39.00
LSI 8 Port 6Gbps PCIe 3.0 External SAS RAID Card w/ 1GB CacheVault & Low Profile
$29.00
Yottamaster 2 Bay RAID Hard Drive Enclosure USB 3.1 For 2.5" SATA HDD SSD UASP
$56.25
Yottamaster 5 Bay RAID Hard Drive Enclosure Type-C B For 2.5" 3.5" SATA HDD SSDs
$131.59