I have this server IBM System x3250 M3 Intel(R) Xeon(R) CPU X3450 @ 2.67GHz (8 CPUs), ~2.7GHz 2 GB PC3-10600 ECC DDR3 SDRAM HDD 500 TB Hotplug Windows server 2008 this is screenshot the default memory, micron PC3-10600R 2gb, its working well to entering windows http://freakimage.com/images/113memory_ram_micron_PC3_.jpg then i want to change to higher memory, i bought this memory, samsung PC3-10600R 4gb http://freakimage.com/images/602memory_ram_samsung_mic.jpg but its hang in uEFI boot, cant move forward to windows already googling it, no solution yet everywhere please take a look the screenshot, do i bought wrong new memory, if it is maybe i still can replace to the seller with another memory