Review Silicon Power P34A80 PCIe Gen3x4 M.2 NVMe SSD Review: TLC Performance at QLC Prices

Jul 10, 2019
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It seems Silicon Power is grossly conservative with the endurance rating. Similar drives have dramatically higher published endurance ratings. I would assume the same nand and same controller would have the same, or very similar, endurance. This is indeed the case with other E12/bics3 nand drives. The BPX Pro and MP510 are identical hardware with over-provisioning have ~1700TBW/960GB. Inland Premium (Microcenter house brand) is same hardware without any over-provisioning has a 1600TBW endurance for a 1TB drive.

Its hard to believe the Silicon Power P34A80 has less than a third of the endurance of other drives featuring the exact same hardware.

Where does the meager 125TBW/256GB endurance rating come from? It doesn't appear that Silicon Power published an endurance number on their website.
 
Jul 10, 2019
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Sabrent Rocket is another budget E12/bics3 drive with a rating of 1665 TBW/1TB.
TEAM GROUP MP34 is also rated at 1665 TBW/1TB.

Five other drives with the E12/bics3 all have 1600+ TBW for a 1TB class drive.
Hard to believe that the Silicon Power only has 500TBW/1TB
 
Last edited:

seanwebster

Contributing Writer
Editor
Aug 30, 2018
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It seems Silicon Power is grossly conservative with the endurance rating. Similar drives have dramatically higher published endurance ratings. I would assume the same nand and same controller would have the same, or very similar, endurance. This is indeed the case with other E12/bics3 nand drives. The BPX Pro and MP510 are identical hardware with over-provisioning have ~1700TBW/960GB. Inland Premium (Microcenter house brand) is same hardware without any over-provisioning has a 1600TBW endurance for a 1TB drive.

Its hard to believe the Silicon Power P34A80 has less than a third of the endurance of other drives featuring the exact same hardware.

Where does the meager 125TBW/256GB endurance rating come from? It doesn't appear that Silicon Power published an endurance number on their website.
I would guess that it has to do with limiting their liability. The endurance ratings come directly from the company after my inquiry.
 
Jul 10, 2019
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It seems quite likely the Silicon Power endurance information is erroneous. How could one explain that of the six drives mentioned, all with Phison E12 controller and BICS3 NAND, five have 1600+TBW ratings and one has a 500TBW rating. Logic would suggest the 500TBW rating is simply wrong.
 

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