The capacity of the Xbox Series S and X can theoretically be expanded with CFexpress adapters

Thanks to modern firmware versions, we can easily install additional SSDs in PlayStation 5 consoles and choose between the standard M.2 2280 models for PCIe 4.0, as long as they have sufficient performance. Sony also offers detailed instructions and a list of supported models that we can buy ourselves and install shortly. Microsoft went the other way and in cooperation with Seagate offers the relevant product Seagate Storage Expansion 1TB, which, however, comes to 5800 CZK, which is really not a completely advantageous purchase, however, even powerful SSDs suitable for PS5 are not cheap.

However, it is also the case that Microsoft does not give us such freedom of choice as Sony, but in the end it turned out that it is possible to use CFexpress adapters, on the modification of which the cards offered by Seagate are based. The difference is that these cards are already designed for PCIe 4.0, while CFexpress commonly uses PCIe 3.0 with four lines and is compatible with NVMe.

mud z Bilibili so he tried to see if it would be possible to use a CFe adapter with an NVMe SSD connected to the Xbox. However, he had a CH SN530 SSD at hand, which is used in modern Xboxes, which means that they are able to recognize this hardware and that it has already been formatted correctly. There was a full read throughput of the adapter, ie 1700 MB / s.

What is certain is that the console does not recognize other CFexpress cards, such as type B with PCIe 3.0 x2 for cameras, but the question is whether it is a general incompatibility or just that the SSD is not formatted correctly.

In other words, expanding the capacity of Xbox consoles using directly unsupported storage is theoretically possible, but the question is what the limitations will be and whether reductions and properly formatted SSDs may work. It is certain that it will not be easy and it will be much better for a regular customer to pay extra for an official card.

Another thing is that official cards are supposed to provide the same performance as the internal SSD in Xbox consoles, ie 2.4 GB / s (uncompressed), ie adapters with a maximum of 1.7 GB / s could be a brake.

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Source: Svět hardware by

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