This might seem silly but can't you just put both drives in your desktop and do a good ole' copy and paste? The block sizes shouldn't matter at that point. Also when you clone a drive I think block sizes are irrelevant anyway but I'm not 100% certain so don't quote me on that.
'Copy and Paste' will only handle data. This is one concern:
"SSDs align their partitions differently than regular hard drives. A regular hard drive usually starts the first partition after 63 blocks, while SSDs require 64 blocks of data for optimal performance. This means when you copy your disk block-for-block from a regular drive, you can lose a lot of performance on your SSD." (quote)