Description
The motherboard configurations for the CECH-4×00 series are as follows; however, there is no fixed correspondence such as “this motherboard = this specific wireless module.” The wireless modules appear to be installed randomly depending on production batches and other factors.
CECH-4000 series: MSX-001, MPX-001, NPX-001
CECH-4200 series: NPX-001, PPX-001, PQX-001
CECH-4300 series: REX-001, RTX-001
※ Within the CECH-4000 series, there are also models that use the NPX-001 motherboard equipped with a 28 nm RSX.
※ J20H055 is commonly found in early to mid production batches and appears to have many variants. Therefore, if the original module part number is different (or if the pad/pin layout differs), compatibility cannot be guaranteed.










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