{"product_id":"lekuo-usb4-to-10g-sfp-network-adapter-realtek-rtl8127-ultra-low-2-5w-fanless","title":"Lekuo USB4 to 10G SFP+ Network Adapter | Realtek RTL8127 | Ultra-Low 2.5W, Fanless","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__01_3a291d1f-83e5-4fde-bd4f-1723302773cc.jpg?v=1777281687\" alt=\"Lekuo DTB3F11 USB4 to 10G SFP+ Network Adapter\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003eUSB4 to 10G SFP+ Network Adapter — Key Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB4 \u0026amp; Thunderbolt Compatible:\u003c\/strong\u003e Supports USB4 40Gbps, fully backward compatible with Thunderbolt 3, 4, and 5. Plug and play — no driver installation required on supported systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRealtek RTL8127ATF Chipset:\u003c\/strong\u003e Industry-proven 10 Gigabit Ethernet chipset delivering stable, low-latency 10Gbps network performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10GbE SFP+ Port:\u003c\/strong\u003e Single SFP+ port supporting 10GBASE-R and 1000BASE-X for long-distance, interference-free fiber connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-World Speed ~1.15 GB\/s:\u003c\/strong\u003e Tested LAN transfer speed ideal for large file transfers, 4K\/8K video editing, and real-time collaboration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFanless Aluminum Design:\u003c\/strong\u003e Full aluminum alloy chassis with passive cooling — silent, durable, and only 2.5W power draw.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__02_469ebbea-4a15-4a1f-866d-4f3ec8207794.jpg?v=1777281688\" alt=\"DTB3F11 USB4 SFP+ adapter interface detail\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003eOS Compatibility\u003c\/h2\u003e\u003cp\u003eThe Lekuo DTB3F11 USB4 to 10GbE adapter works seamlessly with \u003cstrong\u003eWindows 11 and Windows 10\u003c\/strong\u003e, as well as \u003cstrong\u003eLinux Kernel 2.4.x and above\u003c\/strong\u003e. Note: macOS is not currently supported.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__03_f2aa42c5-f115-4556-b61e-cee98966b7d1.jpg?v=1777281684\" alt=\"DTB3F11 10G network adapter performance test\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003eWho Is the DTB3F11 For?\u003c\/h2\u003e\u003cp\u003eThis USB4 10G fiber network adapter is built for professionals who demand maximum throughput and reliability:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e📁 \u003cstrong\u003eNAS \u0026amp; Private Cloud\u003c\/strong\u003e — High-speed access to network-attached storage over fiber\u003c\/li\u003e\n\u003cli\u003e🎥 \u003cstrong\u003e4K\/8K Media Production\u003c\/strong\u003e — Smooth streaming and editing of high-resolution footage\u003c\/li\u003e\n\u003cli\u003e☁ \u003cstrong\u003eVirtualization \u0026amp; Cloud Infrastructure\u003c\/strong\u003e — High-throughput data exchange for VM environments\u003c\/li\u003e\n\u003cli\u003e💹 \u003cstrong\u003eHigh-Frequency Trading\u003c\/strong\u003e — Ultra-low latency for time-sensitive financial systems\u003c\/li\u003e\n\u003cli\u003e🔬 \u003cstrong\u003eScientific Computing \u0026amp; Data Centers\u003c\/strong\u003e — Meets demanding bandwidth requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__04_834ee25a-0519-47e0-a34f-1209a13ea87a.jpg?v=1777281688\" alt=\"DTB3F11 USB4 10GbE SFP+ adapter use cases\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDTB3F11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost Interface\u003c\/td\u003e\n\u003ctd\u003eUSB4 40Gbps (Thunderbolt 3\/4\/5 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Port\u003c\/td\u003e\n\u003ctd\u003e1 x SFP+ 10GbE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eRealtek RTL8127ATF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Speed\u003c\/td\u003e\n\u003ctd\u003e10GBASE-R \/ 1000BASE-X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5W (ultra-low, fanless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJumbo Frame\u003c\/td\u003e\n\u003ctd\u003eUp to 16KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuplex\u003c\/td\u003e\n\u003ctd\u003eFull Duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTested LAN Speed\u003c\/td\u003e\n\u003ctd\u003e~1.15 GB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__05_35935bb4-4ea2-4ef6-b9f7-30bbbe99a88c.jpg?v=1777281688\" alt=\"DTB3F11 10G SFP+ adapter specifications\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e📦 1x Lekuo DTB3F11 USB4 to 10G SFP+ Network Adapter\u003c\/li\u003e\n\u003cli\u003e🔌 1x Type-C 40Gbps Data Cable\u003c\/li\u003e\n\u003cli\u003e📄 1x User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__06_228b0ed5-e5a8-4187-ac3a-72ca7f808c98.jpg?v=1777281688\" alt=\"DTB3F11 package contents\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__07_3c33342a-85ea-421b-a5f3-0cdcebfbe0df.jpg?v=1777281689\" alt=\"Lekuo DTB3F11 aluminum fanless design\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003eAbout Lekuo\u003c\/h2\u003e\u003cp\u003eFounded in 2004, \u003cstrong\u003eLekuo (Shenzhen Lekuo Multimedia Co., Ltd.)\u003c\/strong\u003e is a specialist in computer expansion cards and industrial embedded systems. Lekuo products are trusted across manufacturing, aerospace, banking, automotive electronics, medical, and cloud storage industries worldwide.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__08_eededc13-3f4d-4940-8e62-91000819cc07.jpg?v=1777281688\" alt=\"Lekuo brand factory\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11__09.jpg?v=1777281689\" alt=\"Lekuo DTB3F11 USB4 10G SFP+ network card overview\" style=\"width:100%\"\u003e\u003c\/p\u003e\u003ch2\u003eDriver Download\u003c\/h2\u003e\u003cp\u003eDownload the official Realtek RTL8127 driver for Windows and Linux compatibility:\u003c\/p\u003e\u003cp style=\"text-align:center\"\u003e\u003ca href=\"https:\/\/www.lekuo.com\/uploadfile\/upload\/\/data\/upload\/image\/RTL8127.zip\" style=\"display:inline-block;background:#0070f3;color:#fff;padding:12px 32px;border-radius:6px;text-decoration:none;font-weight:700;font-size:1em\"\u003e⬇ Download RTL8127 Driver\u003c\/a\u003e\u003c\/p\u003e","brand":"Lekuo","offers":[{"title":"Default Title","offer_id":52788157186361,"sku":"DTB3F11","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DTB3F11_2_a4b3cea4-7dac-4c3b-9fdb-156f81b3cd19.jpg?v=1777369123","url":"https:\/\/lekuo.shop\/ja\/products\/lekuo-usb4-to-10g-sfp-network-adapter-realtek-rtl8127-ultra-low-2-5w-fanless","provider":"Lekuo","version":"1.0","type":"link"}