Features: The PLX8747 4 Bay NVMe Expansion Card delivers flexibility with advanced chipset technology， ideal for solid disk benchmarking and enterprises storage expansion. enabling seamlessly 4 NVMe solid disk installation without motherboard bifurcation support across multiple systems. Featuring intelligent lane sharing architecture, this metal constructed expansion card dynamically allocates PCIe 8x bandwidth to maintain 4x speeds per drive during simultaneous operations . Designed for IT professional, data center engineers, and hardware enthusiasts requiring highly density NVMe solution for server platforms, GPU test environments, and flashing storage arrays. Optimizes performances critical applications including enterprises server storage expansion, solid disk stress testing labs, and workstation based 4K video editing setups demanding concurrents multi drive throughput. Engineered with metal housing for optimal heat dissipation, this enterprises grade expansion card serves as the ultimatedly PCIe multiplier for x86 servers and customizable built workstations needing reliabled NVMe scalability. Specifications: Component: Metal Size: Half height 170mm/6.69in Chip: plx8747 Applicable: 2230/2242/2260/2280/22110 Package Type：Expansion Card Only/Expansion Card with Module Package Includes: 1PC PLX8747 four-disk NVME expansion card note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.