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in BIOS , UEFI Boot is enabled , ACHI Mode is selected , and the 3TB Hard disk (Seagate ST30000DM001) is installed at SATA Port 3.
However, in Windows 7 64-bit, 3TB hard disk is displayed as 746GB, no matter how do I format or set the settings. I use GPT as partition table ( as suggested by Windows , > 2TB should use GPT ).
How can I get back the full 3TB storage ?
p.s. Motherboard is Intel DH55HC and Intel Rapid Storage Technology software shows the disk capacity is 2.862GB .
p.s. Operating System is Windows 7 Ultimate , 64-bit
UPDATE Somebody marked this question as a duplicate of similar issue with USB closure. But this question is about hard disk directly attached to motherboard via SATA cable.
possible duplicate of Tried to use my 3TB drive in a USB enclosure, now reports only 746GB even internally
– Excellll – 2015-07-29T17:38:43.690