Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

MrX8503

macrumors 68020
Original poster
Sep 19, 2010
2,292
1,614
Anyone come across one?

I'm looking for:
40Gbps
USB 3 (10gbps)
100w

Apple sells a belkin one, but its 60w. If there aren't any, I may just pick that one up while it's on sale.
 

Brookzy

macrumors 601
May 30, 2010
4,976
5,573
UK
Unfortunately, you cannot get a cable that is both more than 0.5m and has USB 3 backwards compatibility.

This is because cables longer than 0.5m are active (rather than passive). This is reflected in the specs for the Belkin cables you mentioned.

However, CalDigit sells a 0.5m, 40GBps, USB 3, 100W cable.

Belkin-THUNDERBOLT3-CABLE-5m-fast-lis-F2CD082-255x221.png Belkin-THUNDERBOLT3-CABLE-2m-fast-list-F2CD083-255x220.png
 

MrX8503

macrumors 68020
Original poster
Sep 19, 2010
2,292
1,614
Unfortunately, you cannot get a cable that is both more than 0.5m and has USB 3 backwards compatibility.

This is because cables longer than 0.5m are active (rather than passive). This is reflected in the specs for the Belkin cables you mentioned.

However, CalDigit sells a 0.5m, 40GBps, USB 3, 100W cable.

View attachment 694235 View attachment 694236

I'm fine with 0.5 meter, but I can't find a 100w version.
 

dyn

macrumors 68030
Aug 8, 2009
2,708
388
.nl
Unfortunately, you cannot get a cable that is both more than 0.5m and has USB 3 backwards compatibility.
Your wording is not correct here. What you meant is that you cannot get a cable longer than 0.5m that does Thunderbolt AND USB. USB does support cables longer than 0.5m though (even at USB3.1 Gen 2 speeds), it is part of the standard (see table on page 27; also check out the zip-file from USB-IF with the full specs). The same applies to Thunderbolt although those cables will be active and that breaks backward compatibility with anything that isn't USB2.0.

@MrX8503 check out CalDigit's page about their Thunderbolt 3 cables: CalDigit Thunderbolt™ 3 Cables. Mind you, they only tell the Thunderbolt side of things. Basically their cables are just beefier which allows for a higher current to flow through the cable.
 

Brookzy

macrumors 601
May 30, 2010
4,976
5,573
UK
Your wording is not correct here.
I must respectfully disagree - "backwards compatibility", and the topic of the thread, meant I was obviously talking about a Thunderbolt 3 cable.

Looks like I found it. http://shop.caldigit.com/us/TBT3-P05B-540

I'm not sure if I believe the specs though

EDIT: No mention of 10gbps USB3
Hmm, it should support full USB 3 Gen 2.

(Regarding availability, they used to have them readily available on Amazon - I would speculate that they are withholding inventory as it is the cable bundled with their Thunderbolt 3 docks.)
 
  • Like
Reactions: Weaselboy

MrX8503

macrumors 68020
Original poster
Sep 19, 2010
2,292
1,614
I must respectfully disagree - "backwards compatibility", and the topic if the thread, meant I was obviously talking about a Thunderbolt 3 cable.


Hmm, it should support full USB 3 Gen 2.

(Regarding availability, they used to have them readily available on Amazon - I would speculate that they are withholding inventory as it is the cable bundled with their Thunderbolt 3 docks.)

Possibly. I didn't want to take the risk so I got the Belkin cable from Apple. It's also approved by Nathan K. I can live with 60w.

Hopefully someone reviews Caldigit's 0.5m cable soon. It may be the only cable that has no compromises other than length.
 
  • Like
Reactions: Brookzy
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.