Will this NVMe SSD be compatible w/ my B450 Pro4

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   My System Info

CPU: AMD Ryzen 5 3600
GPU: GIGABYTE GeForce RTX 2060 6GB
Motherboard: ASRock B450 Pro4
UEFI Version: 10.31 (Most Recent Beta)
RAM: 16GB DDR4 @ 3200MHz
Storage: Mushkin 2.5" 250GB SATA III 3D SSD (System) & BarraCuda 2TB 7200 RPM HDD (Storage)
PSU: EVGA 500 WATT 80PLUS

Background
My 2TB HDD, which has been in use since I built my system back 2021 is starting to show its age, and managing symbolic links from my small system drive to the HDD has become rather cumbersome, so I've been planning to upgrade my storage sooner than later before saving up for some other future upgrades to my CPU (Ryzen 7 5800X), GPU (RTX 40-series), and PSU.

I received a few Amazon gift cards for Christmas and decided to purchase a 1TB Crucial NVMe SSD for $60 USD. Its specs, Gen4; backward-compatible with Gen3 and 2280 form factor, seemed compatible with my motherboard at first glance. However, after buying and installing it, my system failed to recognize the drive. Upon further investigation, I discovered a footnote on ASRock?�s support page (easy to overlook) linking to a sperate PDF. The PDF indicated that certain NVMe drives, including many newer Gen3 and Gen4 PCIe M.2 SSDs, were incompatible due to a ?�mismatch in pin definitions.??

Question
After returning the Crucial drive, I reviewed ASRock's list of officially compatible NVMe Gen3x4 SSDs in the 1TB range. I was only able to find two options with Amazon listings:

WD SN750: $85 USD on Amazon (a bit over my budget).
TeamGroup MP34 (TM8FP4001T0C101): Discontinued/sold out.

I did find a listing for the TeamGroup MP33 (TM8FP6001T0C101) for $50 USD, but TeamGroup's site lists only the MP34 and MP32 as compatible with the B450 Pro4 (though not the MP33 oddly enough?) so I'm not sure if that one would even work. It's also quite a bit slower than the SN750 or the Crucial drive I originally purchased. I'm kind of stuck now trying to find a 1TB Gen3x4 NVMe SSD under $90 USD compatible with the B450 Pro4. I don't really get why a Gen3x4 2280 drive can seemingly match all of the required specs and still be incompatible due some arbitrary difference in how the pin definitions are assigned.

Does anyone have recommendations for compatible NVMe drives within this price range or insights into why these incompatibilities exist? 

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letivalo Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 8 hours 46 minutes ago Location: Colorado, USA Status: Offline Points: 20	Post Options Post Reply Quote letivalo Report Post Thanks(0) Quote Reply Topic: Will this NVMe SSD be compatible w/ my B450 Pro4 Posted: 5 hours 60 minutes ago at 4:26am
	My System Info CPU: AMD Ryzen 5 3600 GPU: GIGABYTE GeForce RTX 2060 6GB Motherboard: ASRock B450 Pro4 UEFI Version: 10.31 (Most Recent Beta) RAM: 16GB DDR4 @ 3200MHz Storage: Mushkin 2.5" 250GB SATA III 3D SSD (System) & BarraCuda 2TB 7200 RPM HDD (Storage) PSU: EVGA 500 WATT 80PLUS Background My 2TB HDD, which has been in use since I built my system back 2021 is starting to show its age, and managing symbolic links from my small system drive to the HDD has become rather cumbersome, so I've been planning to upgrade my storage sooner than later before saving up for some other future upgrades to my CPU (Ryzen 7 5800X), GPU (RTX 40-series), and PSU. I received a few Amazon gift cards for Christmas and decided to purchase a 1TB Crucial NVMe SSD for $60 USD. Its specs, Gen4; backward-compatible with Gen3 and 2280 form factor, seemed compatible with my motherboard at first glance. However, after buying and installing it, my system failed to recognize the drive. Upon further investigation, I discovered a footnote on ASRock?�s support page (easy to overlook) linking to a sperate PDF. The PDF indicated that certain NVMe drives, including many newer Gen3 and Gen4 PCIe M.2 SSDs, were incompatible due to a ?�mismatch in pin definitions.?? Question After returning the Crucial drive, I reviewed ASRock's list of officially compatible NVMe Gen3x4 SSDs in the 1TB range. I was only able to find two options with Amazon listings: WD SN750: $85 USD on Amazon (a bit over my budget). TeamGroup MP34 (TM8FP4001T0C101): Discontinued/sold out. I did find a listing for the TeamGroup MP33 (TM8FP6001T0C101) for $50 USD, but TeamGroup's site lists only the MP34 and MP32 as compatible with the B450 Pro4 (though not the MP33 oddly enough?) so I'm not sure if that one would even work. It's also quite a bit slower than the SN750 or the Crucial drive I originally purchased. I'm kind of stuck now trying to find a 1TB Gen3x4 NVMe SSD under $90 USD compatible with the B450 Pro4. I don't really get why a Gen3x4 2280 drive can seemingly match all of the required specs and still be incompatible due some arbitrary difference in how the pin definitions are assigned. Does anyone have recommendations for compatible NVMe drives within this price range or insights into why these incompatibilities exist?
	*Best be one with no crown.*