Phison Show Off @Computex 2024

Phison at Computex 2024 – What Was On Show?

Note – this is a pre-launch article based on what I saw on the setup-day of cOMPUTEX 2024 (3/6/24). A fuller update to this article will be made after the Computex Launch day on 4/6 and a YouTube Video too.

A regular veteran of Computex, Phison is once again on show here at the Taipei-based Computex 2024 event, bringing a few follow-ups on products premiered last year, as well as some brand new and exciting innovations.

The 56 GB per second demo!

Phison has been one of the biggest players in the world of solid-state drive controllers, so it isn’t a huge surprise that they are making a significant splash at the event. Gen 5 integration has been slow but steady over the last 12 months. In previous years, we have seen Phison demo the use of their drives in bulk via PCIe storage upgrade cards, and 2024 is no exception. On display at their stand is a 16x M.2 NVMe Gen 5 x16 storage expansion card, fully populated with 12 GB per second R/W M.2 NVMe drives – pretty wild.

If you attend the Computex event, I strongly recommend heading over to their stand, as they currently have the system running on constant rotation. The speeds do fluctuate slightly with each test, but at peak, they state the test can hit 56 GB (crucially, not gigabit) per second sequential read and 54 GB per second sequential write. This is fast approaching the full saturation of the PCIe Gen 5 x16 bandwidth.

Indeed, you could probably get away with fully saturating the system with Gen 4 SSDs and edge close to these numbers. But it is only with the Gen 5 SSDs that you can achieve such saturation and sustain it.

Likewise, when it comes to 4K random IOPS, although the demonstration numbers do fluctuate a little at the top end, Phison states that this setup was able to hit 20 million 4K reads and 19 million 4K write IOPS. It’s a significant achievement, and although Gen 5 SSDs continue to be at the more expensive end of the market, it is still a nice indication that Gen 5 drives in bulk can achieve larger sustained numbers in a way that single drives struggle with over long-term use. These are, of course, synthetic tests, and real-world performance numbers will no doubt be lower, but crucially even these realistic and non-synthetic numbers will be a great deal higher than those we’ve seen previously via PCIe cards, thanks to the Gen 5 push.

DRAMless Gen 5 SSDs

Last year, when we attended Computex, we touched on the fact that Phison discussed their work towards a DRAMless SSD controller for Gen 5 SSDs. Although DRAM-free SSDs are not for everyone, due to the potential throttling that can be caused by a lack of onboard RAM during intense performance, there is still demand for this style of drive. This is both because they increase affordability and because they allow for more energy-efficient systems to take advantage of the high performance offered by Gen 5. I’m pleased to say that, although last year it seemed more theoretical with the art backroom prototype, the Phison E31T controller is now a reality, with several examples on display at their stands this year. Although Phison typically does not sell their SSDs directly (though they do produce some of their own labeled drives at the enterprise level), the rollout of a DRAMless Gen 5 SSD will no doubt gain attention as other vendors hop on board. I fully expect Seagate, Patriot, and more to launch their own DRAMless SSDs in the coming months. Phison’s SSD Controller E31T is a cutting-edge solution designed to meet the demands of next-generation storage devices.

Leveraging the PCIe Gen5x4 interface and built on the TSMC 7nm process, the E31T controller offers exceptional performance and efficiency. Its DRAM-less design is complemented by a 4-channel architecture with 16 CEs, supporting up to 8TB of capacity with 3D TLC/QLC NAND. The integration of an ARM Cortex R5 CPU ensures robust processing capabilities, while Phison’s 7th Gen LDPC and RAID ECC provide advanced error correction. Additionally, the E31T supports security features such as AES256 encryption, TCG Opal, and Pyrite, making it a comprehensive solution for high-performance and secure storage. In terms of performance, the E31T controller achieves remarkable sequential read and write speeds exceeding 10,000 MB/s, along with random read and write IOPS of 1,500K. This makes it particularly suitable for applications requiring high throughput and low latency, such as data centers, enterprise storage solutions, and high-end consumer SSDs. The controller’s ability to maintain high performance with existing 3600MT/s NAND, despite different configurations and power limitations, underscores its versatility and efficiency. As the market increasingly adopts PCIe Gen5 technology, the E31T stands poised to drive the next wave of storage innovation.

Redriver PS7162 – PCIe 6 ?

The Redriver PS7162 from Phison is designed to enhance the performance of PCIe 6.0 systems, making it a crucial component for future-proofing high-speed data transmission. Supporting an 8-channel (non-interleaved) configuration and featuring I2C mode, this redriver optimizes signal integrity and reduces pin count through 4-level I/O for EQ and GAIN settings. Its impressive 20dB max EQ boosting range and 70ps ultra-low latency ensure minimal signal degradation, crucial for maintaining high-speed data transfers. The PS7162’s package type is FCLGA, utilizing the SiGe BiCMOS process for improved performance and reliability. Additionally, the “PHiTUNE” Auto-EQ tuning tool provides automated adjustments, simplifying the optimization process for PCIe 6.0 systems.

• PCIe Gen 6.0
• 8-Channel (Non-interleaved)
• 4-Level I/O for EQ and GAIN
settings to reduce pin count
• Pin-to-pin vs. PCIe 5.0
• 20dB max EQ boosting range
• 70ps ultra-low latency
• Package type: FCLGA
• SiGe BiCMOS process
• “PHiTUNE “ Auto-EQ tuning tool
• Optimized Linearity for PCIe 6.

The Redriver PS7162’s design and capabilities make it an essential component for advancing PCIe 6.0 technology. Its optimized linearity and performance in a PCIe 6.0 (PAM4) system environment enable it to handle the increased data rates and complexities associated with this next-generation interface. By providing robust signal amplification and minimizing latency, the PS7162 ensures that systems can fully leverage the bandwidth and speed improvements of PCIe 6.0. This makes it ideal for high-performance computing environments, data centers, and any application requiring reliable and efficient data transmission at the highest speeds.

U21 USB 4 External SSD – Go Native

The U21 USB 4 External SSD by Phison stands out as a high-performance storage solution tailored for modern data needs. With its Native USB4 (40Gbps) interface, it promises ultra-fast data transfer rates, making it ideal for tasks requiring high-speed data access and storage. Built on the advanced TSMC 12nm process, this SSD features a DRAM-less design and a 4-channel architecture with 16 CEs, supporting up to 16TB of storage capacity. It leverages 3D TLC/QLC NAND technology, which ensures high density and reliability. The integration of Phison’s 7th Gen LDPC and RAID ECC provides robust error correction, while AES256 encryption ensures data security. The U21 is also backwards compatible with legacy USB standards, making it versatile for use with a wide range of devices.

Performance-wise, the U21 USB 4 External SSD boasts impressive sequential read and write speeds of up to 4,000 MB/s. This makes it an excellent choice for users needing rapid access to large files, such as video editors, gamers, and IT professionals. Despite its high performance, the SSD maintains a compact form factor (U32C), making it a portable yet powerful storage option. Whether for professional use or personal data management, the U21 USB 4 External SSD offers a blend of speed, security, and storage capacity, setting a new standard for external SSDs in the market.

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