Features: Experience seamless plugs and play expansion with PLX88024 PCIe4.0 NVMe adapter card, featuring natives PCIe lane splitting that bypasses motherboard BIOS limitations to instantly recognize four hdds in any /x16 slot. This 4port NVMe expansion card delivers full PCIe4.0 bandwidth (16GB/s) per drive through its advanced PLX88024 controller, complete with aluminum heatsink and thermal pad for during intensive workloads. for content creators, IT professional, and PC enthusiasts needing massives NVMe storage expansion for 4K video editing rigs, game libraries, or enterprises servers requiring concurrents fast speed data access. Transform your desktop into powerhouses storage solution for 8K video rendering projects, AI training datasets, or multiple drive RAIDs configurations without sacrificing hdds speed or thermal stability. Engineered with universals PCIe backward compatibility, this 4port NVMe adapter supports 2280 length hdds across consumer and workstation, making it PCIe expansion card for building future proof storage arrays. Specifications: Materials: Metal Size: Length 176cm Bus rate: 128GT/S Bus: PCle4.0X8 speed: 6800~7600MB/S styles: baffle, baffle 2 heat sink, baffle 4 heat sink(optional) Package Includes: 1Set PCIe4.0 4port hdds Expansion Card note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.