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Win 7, SSD and Partition

R

Rus2

Junior Member
Win 7 64gb SSD with 54.72 Primary Partition and 4.9 Recovery Partition.

28gb used. 26gb free.

In order to take advantage of Garbage Collection and Trim do I need to create a separate partition for Garbage Collection or will the 26gb free space be used for trim and garbage collection?

54.72+4.9=59.6gb. What happened to the extra 4.4gb?
 
64GB is probably about equal to 59.6GiB.

To take advantage of TRIM, you must be running Win7 (you apparently are), and your disk controller driver must pass that command. (If you run MS or Intel SATA drivers, then that is true.)

Garbage Collection depends entirely on the SSD firmware.
 
extra 4.4GB is probably claimed by firmware for wear protection and other firmware uses. as used blocks start to break (due to limited number of writes), firmware replaces them from the reserve.
 
Your SSD has 64GiB (or about 68.7GB) of NAND physically onboard.

It is sold as having 64GB (decimal, as in 64,000,000,000 bytes) which is 59.6GiB when converted to binary. (Windows incorrectly labels it as 59.6GB)

The difference (4.4GiB) is used as spare area and for wear leveling.
 
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