Lexar THOR PRO is a PCIe 4.0 NVMe M.2 (Gen4x4) drive that uses a host-memory buffer (HMB) instead of onboard DRAM and shows high peak reads but comparatively low sustained writes (~2.7–3.0 GB/s) in tests. For a budget Gen4 SSD it offers single-sided compatibility and high sequential read potential, but expect DRAMless/HMB behavior and weaker sustained write throughput versus typical DRAM-equipped Gen4 drives.
Good for buyers needing a single-sided PCIe 4.0 M.2 for PS5 or laptops who accept DRAMless/HMB tradeoffs; avoid if you need strong sustained write performance.
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