A1: PCIE riser cable supporting GEN4
Its shielding layer is preferably metal
Our PCIE riser cable originally used copper + nickel shielding material
(If you remove the black acetate tape you will see this masking layer, it is golden yellow)
(Compared with 3M's products, their shielding range is limited to the signal line, and we shield them all)
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A2: According to the technical information announced by the PCI-SIG Association
We know that in order to reduce signal loss
Low-loss PCB and SMT slots are an indispensable condition for motherboards and GPUs to upgrade to GEN4 (most motherboards are still using FR4 PCBs and slots that must be punched)
So we will support GEN4 PCIE riser cable
In the future, there will only be D.type using clip-on slots instead of A and B.type
Because of the A.type and B.type slots, they must be punched on the PCB
This will cause severe echo reflection
An obvious thing
The PCB we use must be a low-loss material
But one thing I'm sorry
We must keep other upgrade information
A3: According to the information announced by PCI-SIG
We know several things like this
1. Retimer has the function of reconstructing PCIE signal
But redriver can’t change what for PCIE signal
2. Adding a retimer to the slot end of the PCIE riser cable is the best solution to extend the transmission distance of PCIE signals
Unfortunately......
Compared with brand manufacturers, we may not be able to obtain fair technical resources and reasonable purchase prices
So we may not have the opportunity to become a supplier of PCIE riser cable using retimer
All questions about GEN4
Feel free to ask questions
In addition, we also hope you have your opinions and questions about the original design of All-By-one
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