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Realtek Shows Off New PCIe 5.0 NVMe and USB 3.2 Gen 2x2 SSD Controllers at Computex 2025

TheLostSwede

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Realtek appears to have decided that it still wants a slice of the SSD controller market and showed off two new products at Computex. The first, is a DRAM-less PCIe 5.0 NVMe controller that the company says will offer random read/write speeds of up to 10,000 MB/s, which it also delivers according to a CrystalDiskMark 8.0.4 screenshot that the company shared at the show. The RTS5781 as the controller is known as, is a typical 4-channel controller that supports ONFi 5.1 and Toggle 5.1 3D TLC/QLC NAND with I/O speeds of up to 3600 MT/s. It also supports advanced power saving features and common encryption protocols such as TCG OPAL 2.0 and AES 256. Random performance is on par with your typical DRAM-less SSD controller. The RTS5781 was originally revealed last year on a roadmap, but only announced now.

Next up is the RM1220, which is comparable to Silicon Motion's SM2322 in that it's a USB 3.2 Gen 2x2 20 Gbps controller that doesn't require any bridge chip for better or worse. Realtek claims the same 2,100/2,000 MB/s read and write performance as Silicon Motion and thus better performance than Phison's PS2251-18/U18 controller. However, Realtek has a couple of tricks up its sleeve to make the RM1220 stand out from the crowd, the first being an integrated addressable RGB controller for "gaming" SSDs and the other being integrated fingerprint reader support, where just the physical reader is needed, for companies that want to add some security features to their external SSDs.



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10k MB/s is soooooo 2019-ish.....what were they thinking ?
 
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