Upgrading my Mac system's SSD

Your system uses a custom blade SSD which happen to be made by Samsung for Apple, while similar to a M.2 SSD it is not pin compatible. Your system has a AHCI/PCIe x4 (4 lane) interface.

I would recommend you stick with the correct drive made by either OWC or Transcend. Both make replacement SSD's designed to work in your system.

Here's the IFIXIT guide to replace the SSD: MacBook Pro 13 英寸配备 Retina 显示屏2015年早期版SSD更换

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I saw that in 10.3 ( high siera) apple support custom ssd

Or that isnt true?

由 fouad taha 完成的 2018年1月24日

I'm not sure I understand what you're saying here. There are mechanical & physical limits within your system. The issue is not software you can only use a AHCI/PCIe SSD not a NVMe/PCIe SSD.

Think of it like gasoline and diesel fuel they both run cars & trucks but you can't use one fuel for the other.

由 DanJ 完成的 2018年1月24日

https://eshop.macsales.com/item/Other%20...

I guess I will stick with this one then :)

I saw not much AHCI ssd out there and most are disconnected...

sad to see apple only used this type as her MacBooks ssd

ty sir anyway :)

由 fouad taha 完成的 2018年1月24日

@fooad444 - Apple was ahead of the curve with blade SSD's.

The issue you're facing is just the speed of change! AHCI based systems are still being sold from Dell and Lenovo. But, the move is on to NVMe/PCI for the upper end systems!

All of the 2016 and newer Mac's use NVMe drives. In fact Apple's new iMac Pro is using interleaved raw flash which is even faster than NVMe based SSD's!

由 DanJ 完成的 2018年1月24日

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I saw that in 10.3 ( high siera) apple support custom ssd

Or that isnt true? — fouad taha
I'm not sure I understand what you're saying here. There are mechanical & physical limits within your system. The issue is not software you can only use a AHCI/PCIe SSD not a NVMe/PCIe SSD.

Think of it like gasoline and diesel fuel they both run cars & trucks but you can't use one fuel for the other. — DanJ
https://eshop.macsales.com/item/Other%20...

I guess I will stick with this one then :)

I saw not much AHCI ssd out there and most are disconnected...

sad to see apple only used this type as her MacBooks ssd

ty sir anyway :) — fouad taha
@fooad444 - Apple was ahead of the curve with blade SSD's.

The issue you're facing is just the speed of change! AHCI based systems are still being sold from Dell and Lenovo. But, the move is on to NVMe/PCI for the upper end systems!

All of the 2016 and newer Mac's use NVMe drives. In fact Apple's new iMac Pro is using interleaved raw flash which is even faster than NVMe based SSD's! — DanJ

MacBook Pro（13 英寸，配备 Retina 显示屏2015 年初期）

Upgrading my Mac system's SSD

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