Lexar's DRAM-less Thor Ultra series PCIe Gen 5 SSDs are built for desktop and laptop PC gaming

Lexar has announced its new Thor Ultra series of PCIe Gen 5 SSDs for desktop and laptop PC gamers and enthusiasts. Available in 512GB, 1TB, 2TB, and 4TB capacities, the Lexar Thor Ultra series can reach sequential read speeds of up to 11 GB/s and sequential write speeds of up to 10 GB/s on the higher-capacity models. Interestingly, the 512GB model's read speed is listed as up to 9 GB/s.

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Elsewhere, random performance hits 2.2 million IOPS for reads and 1.9 million IOPS for writes, with Lexar noting that the Thor Ultra series is also efficient. The DRAM-less design includes an advanced 6nm controller optimized for thermal performance and power efficiency, making it an ideal choice for those looking for both speed and reliability. The compact, single-sided, power-efficient design also suits laptops and desktop builds.

Rounding out the design, the dynamic SLC cache makes the Thor Ultra series suitable for demanding AI workloads in addition to PC gaming. For gaming, Lexar confirms the Thor Ultra series supports Microsoft's DirectStorage technology to accelerate loading and data streaming.

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Does the Thor Ultra require a DRAM module, and how does its DRAM-less 6nm controller affect thermals and power?

No, the Thor Ultra is DRAM-less and does not require a separate DRAM module. Its advanced 6nm controller is optimized for thermal performance and power efficiency, contributing to a compact, single-sided, power-efficient design that suits laptops and desktop builds.

Which Thor Ultra capacities support the maximum 11,000 MB/s read and 10,000 MB/s write figures?

The 1TB, 2TB, and 4TB Lexar Thor Ultra capacities support the maximum 11,000 MB/s read and 10,000 MB/s write figures.

What are the random IOPS (read/write) for each capacity and how might those numbers impact gaming and load times?

Random IOPS by capacity are: 512GB , 900K read / 1,200K write; 1TB , 1,500K read / 1,900K write; 2TB , 2,200K read / 1,900K write; 4TB , 2,000K read / 1,900K write. These high random IOPS help accelerate game loading and in-game data streaming, and Lexar notes the Thor Ultra supports Microsoft DirectStorage to further speed loading and data streaming for gaming.

What endurance (TBW) and warranty does each Thor Ultra capacity ship with?

The Lexar Thor Ultra ships with the following TBW ratings: 512GB: 350 TBW; 1TB: 750 TBW; 2TB: 1500 TBW; 4TB: 3000 TBW. All capacities carry a five-year limited warranty.

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