Seriales de prueba Windows Server 2008 R2

Just found this 180 Day Evaluation Key's for Windows Server 2008 R2:

Windows Web Server 2008 R2 
= KBV3Q-DJ8W7-VPB64-V88KG-82C49 
= 00500-001-0000554-84xxx
= X15-34676

Windows Server 2008 R2 Standard 
= 4GGC4-9947F-FWFP3-78P6F-J9HDR 
= 00477-001-0000347-84xxx
= X15-34648

Windows Server 2008 R2 Enterprise 
= 7PJBC-63K3J-62TTK-XF46D-W3WMD 
= 00486-001-0001204-84xxx
= X15-34815

Windows Server 2008 R2 Datacenter 
= QX7TD-2CMJR-D7WWY-KVCYC-6D2YT 
= 00496-001-0001526-84xxx
= X15-34820