HDD Caddy for early 2011 13" MBP

I'm looking to exchange the optical cd/dvd drive with my stock hdd that I replaced with my ssd. I found many different hdd caddys like the OWS data doubler ($35) and some other ones on Amazon for a lot less. Is there a real difference between the hdd caddys?? Is there one known to be more reliable and better than the other? I heard something about how some caddys may ruin the ribbon near the optical drive, any recommendations from early 2011 13" users? Thanks.

Mbp 13" early 2011 Mavericks - samsung 840 pro ssd in main drive

MacInTO said:

I don't think there is. I bought on on eBay for $12 and it worked fine.

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Thanks for the reply. Thats what I'm thinking, there couldn't be much of a difference could there?

I noticed that the data doublers are just made up of the caddy itself and the little data board chip.