Phison’s Apex RAID demo showed us blistering 113 GB/s speeds in Computex demo

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Phison’s Apex RAID demo showed us blistering 113 GB/s speeds in Computex demo

Phison has been showcasing its data storage innovations at Computex 2025. Of particular interest, we attended a partner demo where the firm utilized 32 of its latest and greatest PCIe Gen5 SSDs in a RAID setup. During the demo, we saw CrystalDiskMark report data transfer rates as high as 113.6 GB/s for reads, and 104.6 GB/s for writes.

(Image credit: Future)

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This demonstration of extraordinary speed was enabled by a powerful modern workstation PC and a mix of cutting-edge storage components. Specifically, Phison utilized an AMD Ryzen Threadripper Pro 7978WX CPU, installed on an Asus Pro WS WRX90E-Sage SE motherboard, as the foundation of the system.

The storage subsystem consisted of 32 of Phison’s potent new E28 Gen5 SSDs installed across a trio of Apex Storage X16 Gen5 add-in cards. All these components were installed in a sweet-looking be quiet! chassis, as you can see.

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(Image credit: Future)

(Image credit: Future)

(Image credit: Future)

Phison’s new E28 Gen5 SSD rubs shoulders with the best in consumer mid-2025 PC land. A single E28 Gen5 in a modern PC will be able to deliver data transfer speeds of up to 14.8 GB/s reads and 14.0 GB/s writes. The Phison E28 Gen5 is being marketed as “the weapon of choice for serious gaming and productivity,” so it is definitely targeting consumers. Its controller features a quad-CPU architecture, is fabbed on TSMC’s 6nm node, and supports up to 32 TB.

(Image credit: Future)

Here we had 32 of Phison’s new E28 Gen5 SSDs; however, each Apex Storage X16 Gen5 add-in card can fit 16 M.2 SSDs (there’s a clue in the name), so two would have sufficed for a 32x SSD demo. We guess three cards were installed for optimal performance, load balancing, or another nuance of the Threadripper-powered Windows system.

The storage performance in this setup seems remarkable. Witnessed data transfer rates as high as 113.6 GB/s for reads, and 104.6 GB/s for writes might seem amazing. However, it was confirmed by a Phison rep that the Windows kernel was actually holding back performance.

Image 1 of 3

(Image credit: Future)

(Image credit: Future)

(Image credit: Future)

Apex Storage’s new X16 Gen5 add-in card features the PM584 Microchip switch that has 84 lanes, claimed to support the full 16 M.2 at full bandwidth. We were told each X16 Gen5 card also has a limit of 128TB of addressable storage, at this time (that would require using 32x 4TB drives).

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If you are interested in the Apex Storage X16 Gen5 card, we were told that it ships in 30 days and will cost $3,995 without any storage onboard.

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