Wednesday, May 31st 2023

Patriot Memory at Computex 2023: First DRAMless Gen 5 SSD, Viper Elite and Viper Extreme DDR5

Patriot Memory introduced some truly unique memory and storage products at the 2023 Computex. The company showed us what is probably the world's first PCIe Gen 5 NVMe SSD with a DRAMless architecture. It also runs surprisingly cool for the kind of performance that's being claimed. The untitled Patriot Gen 5 SSD uses a Maxiotek MAP802A-F1C DRAMless controller that features a PCI-Express 5.0 x4 host interface. The drive comes in capacities of 1 TB, 2 TB, and 4 TB. The performance on offer easily matches or beats some of the early Gen 5 SSDs based on Phison E26. You get sequential speeds of up to 12 GB/s, with up to 10.5 GB/s sequential writes.

The company also showcased the Viper PV553, a more traditional Gen 5 SSD that uses a DDR4-based DRAM cache that can be as large as 4 GB for the 2 TB model. At this point we don't know which controller is powering this drive, but it's confirmed that it uses a DRAM cache, and needs active cooling. The performance on offer is up to 12.4 GB/s sequential reads, with up to 11.8 GB/s sequential writes. A side-effect of Gen 5 SSDs picking up traction in the market is that Gen 4 SSDs with fairly powerful specs are taking up mainstream pricing. The Viper VP4300 Lite is one such drive, it is a revision of the VP4300 from 2021. This drive uses an InnoGrit-sourced controller paired with 3D TLC NAND flash, DDR4 DRAM cache, and sequential transfer speeds of up to 7.4 GB/s reads, with up to 6.8 GB/s writes. It comes in 500 GB thru 4 TB capacities, and unlike the original VP4300, lacks a heatsink.
Over in the DRAM section, we are shown the Viper Xtreme 5 series DDR5 memory, which comes in speed variants ranging between DDR5-7600 and DDR5-8000, with 32 GB (2x 16 GB) and 48 GB (2x 24 GB) capacities. The Viper Elite 5 series is the more mid-range product from the Patriot stable, with speeds ranging between DDR5-5600 thru DDR5-7000, and capacities ranging between 16 GB (1x 16 GB) to 96 GB (2x 48 GB).
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