{"product_id":"quad-pcie-3-0-x16-m-2-nvme-switch-controller-dedicated-x4-per-slot","title":"Quad PCIe 3.0 x16 M.2 NVMe Switch Controller - Dedicated x4 per Slot","description":"\u003cp\u003eOur review of the Quad PCIe 3.0 x16 M.2 NVMe Switch Controller focuses on who benefits most: builders who need to connect four NVMe M.2 drives to a single PCIe x16 slot without sacrificing per-drive bandwidth. The card uses a PLX PEX8747 switch to present four dedicated PCIe 3.0 x4 links from one x16 upstream port, so each drive gets the full 32Gb\/s theoretical throughput available from a Gen3 x4 NVMe lane. In testing and practical use the biggest reason to buy is straightforward: it unlocks near-native NVMe performance for multi-drive M.2 arrays in workstations or servers where additional full PCIe lanes are not available.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLX PEX8747 switch:\u003c\/strong\u003e provides a PCIe 3.0 x16 upstream port with four downstream PCIe 3.0 x4 ports to keep each NVMe SSD on a dedicated high-speed link.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour M.2 connectors:\u003c\/strong\u003e supports 2242, 2260, 2280 and 22110 form factors so a variety of NVMe SSD sizes can be installed without adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Gen3 x4 speed per drive:\u003c\/strong\u003e each M.2 slot is allocated a dedicated PCIe 3.0 x4 bandwidth path, helping multi-drive setups avoid bandwidth contention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-aluminum casing:\u003c\/strong\u003e the metal housing conducts heat away from SSDs and works with the integrated fan and heatsink to manage temperatures under sustained load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServer and workstation fit:\u003c\/strong\u003e designed to mount in a PCIe x16 slot, making it suitable for high-end desktops and rack servers that need extra NVMe capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis card is aimed at system builders, IT professionals and power users who need to attach multiple NVMe drives while retaining per-drive performance, such as for fast local storage pools, scratch disks for video editing, or OS plus cache arrangements. It is best when installed in platforms with a free PCIe 3.0 x16 slot and where BIOS\/OS support for NVMe devices is available.\u003c\/p\u003e\n\u003cp\u003eUsers who should look elsewhere include those who require hardware RAID with integrated parity across drives or those on motherboards that lack a full x16 link to the slot; this card is a PCIe switch and not a RAID controller, so dedicated RAID cards or native motherboard M.2 lanes may be preferable for simpler single-drive needs.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGives each NVMe drive a dedicated PCIe 3.0 x4 link to preserve drive performance in multi-drive setups.\u003c\/li\u003e\n\u003cli\u003eSupports common M.2 lengths 2242 through 22110, removing the need for additional adapters.\u003c\/li\u003e\n\u003cli\u003eAll-aluminum body with a fan and heatsink helps maintain thermal stability under load.\u003c\/li\u003e\n\u003cli\u003eWorks in a single PCIe 3.0 x16 slot, conserving motherboard connectors for other devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot a RAID controller: it is a PCIe switch, so users seeking built-in RAID features must add separate RAID software or hardware.\u003c\/li\u003e\n\u003cli\u003eRequires a full PCIe 3.0 x16 host link to deliver the intended per-drive bandwidth, which some systems may not provide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQuad PCIe 3.0 x16 M.2 NVMe Switch Controller (NV9547-4I)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003ePLX PEX8747 switch controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eHost: PCIe 3.0 x16 upstream; Downstream: 4 x PCIe 3.0 x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM.2 Connectors\u003c\/td\u003e\n\u003ctd\u003e4 x M.2 (supports 2242, 2260, 2280, 22110)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eAll-aluminum casing with integrated fan and heatsink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Platforms\u003c\/td\u003e\n\u003ctd\u003eHigh-end desktop\/workstation and server PCIe x16 slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor builders who need four NVMe drives and want to maintain near-native PCIe 3.0 x4 performance per drive, this switch card is a practical, cost-effective choice. It delivers dedicated lanes via the PLX switch and includes thermal measures that suit sustained workloads, making it a solid option for workstations and servers that lack multiple native M.2 slots.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this card provide full speed to each NVMe SSD?\u003c\/strong\u003e\u003cbr\u003eYes; when installed in a PCIe 3.0 x16 slot the PLX switch allocates a dedicated PCIe 3.0 x4 lane to each M.2 connector, preserving per-drive throughput.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this card handle hardware RAID?\u003c\/strong\u003e\u003cbr\u003eNo; this unit is a PCIe switch providing lane allocation and thermal management, not an integrated RAID controller, so hardware RAID requires a separate controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat M.2 sizes are supported?\u003c\/strong\u003e\u003cbr\u003eThe card supports 2242, 2260, 2280 and 22110 M.2 NVMe SSD form factors without adapters.\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":48265914220763,"sku":"B0D1VDQMSS","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51ZFs-sBitL._AC.jpg?v=1776357929","url":"https:\/\/gearmusthave.com\/products\/quad-pcie-3-0-x16-m-2-nvme-switch-controller-dedicated-x4-per-slot","provider":"GearMustHave","version":"1.0","type":"link"}