General > General Technical Chat

USB-C mechanical design is flimsy and pathetic.

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wraper:

--- Quote from: eti on September 21, 2020, 11:32:42 pm ---it's ABSOLUTELY DIRE, and well we know it.

--- End quote ---
It's only your uneducated opinion.

CatalinaWOW:

--- Quote from: eti on September 21, 2020, 11:32:42 pm ---
--- Quote from: sokoloff on September 21, 2020, 04:15:26 pm ---
--- Quote from: David Hess on September 20, 2020, 10:52:06 pm ---Many recent standards have been mechanically horrid; SATA and HDMI both lack positive retention.
--- End quote ---
SATA is a standard for a connector overwhelmingly (99.9+% I'd estimate) used inside of an enclosure. How much positive retention does it need?

(Secondarily, I have SATA cables with a spring-retention lock that works pretty well and works across a wide variety of motherboards and drives, so I wonder if it is actually part of the standard and is merely optional.)

--- End quote ---

Yeah, you're right - I mean why even bother with a connector shell, just rest the gold contacts on top of one another and wrap some gaffer tape round it  ;D - okay I am being facetious, but as much as you try to defend SATA connector design, it's ABSOLUTELY DIRE, and well we know it.

--- End quote ---

Perhaps if you had failure rate data to support your opinion.  I have only had minor problems with SATA cables, and those minor problems were difficulty in disconnecting.  Retention was too good.  Never had a data failure or cable failure.  Even though I use a mix of cables provided by mother board suppliers, disk suppliers and the cheapest ones I can find for sale.  But it is a small sample, and only covers about a decade. 

tooki:

--- Quote from: sokoloff on September 21, 2020, 04:15:26 pm ---
--- Quote from: David Hess on September 20, 2020, 10:52:06 pm ---Many recent standards have been mechanically horrid; SATA and HDMI both lack positive retention.
--- End quote ---
SATA is a standard for a connector overwhelmingly (99.9+% I'd estimate) used inside of an enclosure. How much positive retention does it need?


--- End quote ---
Should be 100%, since the external version (eSATA) is a different connector!

Berni:
Id say SATA is a pretty good connector.

Pretty much all the cables i used had plenty enough retention force to not come out without actually grabbing the connector and pulling it off. I actually hate the SATA cables with the metal locking tabs installed since they can sometimes become pretty tricky to unplug when the cable is plugged into a motherboard with the SATA ports all packed together tightly or at a weird spot where stuff is in the way, making it difficult getting your hand in there to grip it properly to release the tab.

The only critique perhaps is that the connector can be a bit fragile at times due to it being all plastic. I had broke one or two SATA power connectors before while working in a tightly packed PC case and happened to accidentally snag on one of the power cables, resulting in the plastic connector on the end of that cable to split in half and fall out. It still worked, but the top and bottom half needed to be squeezed together for it to make contact and not just fall out of its mating connector. Sure i was the one being the clumsy idiot who put too much force on it, but pretty much every other connector used inside a PC would have easily survived at least twice as much force.

sokoloff:

--- Quote from: tooki on September 22, 2020, 04:34:11 am ---
--- Quote from: sokoloff on September 21, 2020, 04:15:26 pm ---
--- Quote from: David Hess on September 20, 2020, 10:52:06 pm ---Many recent standards have been mechanically horrid; SATA and HDMI both lack positive retention.
--- End quote ---
SATA is a standard for a connector overwhelmingly (99.9+% I'd estimate) used inside of an enclosure. How much positive retention does it need?
--- End quote ---
Should be 100%, since the external version (eSATA) is a different connector!
--- End quote ---
Agreed, but have you never (or less than one time in a thousand) used a SATA connector with the case open and maybe with one of the drives not permanently mounted? I've averaged doing that at least once a year to upgrade a drive or otherwise while assembling/servicing a computer.

Many/most computer users will never do that. Enthusiasts and IT techs will do that far more often, so it's a use case that should be considered but probably not entirely optimized for or designed around as the primary use case.

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