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From Maximum PC , 25 June 2019 Jeremy Laird says, "...Instead of inserting a DRAM cache between the controller and the NAND, the CS900 can only rely on 32MB of SRAM built into its Phison S11 controller chip. Speaking of DRAM-less SSD controllers, it’s worth noting that such implementations also raise question marks about drive longevity. A DRAM cache doesn’t just boost performance; it also dramatically reduces wear on the flash cells. To PNY’s credit, the CS900 is backed by a reassuring three-year warranty, which is all you can ask for at this price point. But even if PNY is fully co-operative in the event of a failure, you still have the possibility of significant downtime and data loss." ADATA SP550 is a TLC drive, with an SLC cache (2-8GB).
Sorry, there was a problem. Please try again later.One of the PNY CS900 500gb drives we bought have a Phison controller and they apparently have no DRAM cache from research we did on the web.
Sorry, there was a problem. Please try again later.I never did verify if it truly did or not, but when I had it it ran fast and effective. 8 second boots. So I assume it had to have had one.
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