- Phison X200Z writes entire drive every 24 minutes nonstop
- Delivers record-breaking endurance and performance with 60 DWPD capability
- TweakTown calls it the most powerful flash-based SSD ever tested
TweakTown has delivered its first hands-on look at the Phison Pascari X200Z 3.2TB Enterprise SSD, and – spoiler alert – it was blown away.
Built with SLC flash and running over a PCIe Gen5 x4 interface, the X200Z boasts a write endurance rating of 60 drive writes per day (DWPD), translating to an astounding full-drive write every 24 minutes.
As Jon Coulter of TweakTown puts it, “Phison’s Pascari X200Z 3.2TB SLC caching SSD is simultaneously the highest capacity, lowest latency, and most endurant flash-based SSD of its kind we’ve ever encountered.”
The best ever seen
The X200Z is built for extreme durability in demanding caching roles, especially in front of QLC arrays.
It buffers random write workloads, reshapes them into sequential data, and directs them to slower, more fragile QLC layers, enhancing speed, reliability, and overall lifespan of the storage system.
Coulter notes, “The 3.2TB model we have in hand is rated at 60 DWPD or a mind-bending 350 Petabytes of endurance. Incredible.”
The drive also shines on performance. In testing, it surpassed its factory specs across the board. Sequential read throughput hit 15,026MB/s – breaking TweakTown lab records – while write performance came in over 10,200MB/s.
In random workloads, the X200Z hit up to 2800K IOPS and showed strong consistency across all queue depths.
Coulter was impressed by the performance curve: “Its low queue depth performance here is stunning.”
He adds, “We knew it would be good, but we didn’t anticipate the drive’s mixed workload performance would be this fantastic. By far the best we’ve ever seen.”
Phison positions its Pascari line as enterprise-grade, offering flexibility in U.2 and E3.S form factors and support for dual-port configurations. The Pascari X200 Series already has design wins across data centers, video platforms, and HPC workloads.
Coulter concludes: “Phison’s Pascari X200Z 3.2TB SSD is easily the most powerful flash-based SSD we’ve ever tested.”
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waynewilliams@onmail.com (Wayne Williams)
