{"product_id":"lekuo-10g-sfp-plus-pcie-nic-rtl8127","title":"Lekuo 10G SFP+ PCIe Network Card, Realtek RTL8127, Fanless, Ultra-Low 1.79W","description":"\u003ch2\u003eLekuo PR27F12 – PCIe 10G SFP+ Network Card with Realtek RTL8127\u003c\/h2\u003e\n\u003cp\u003eThe Lekuo PR27F12 is a single-port 10 Gigabit SFP+ PCIe network card powered by the Realtek RTL8127 chipset. Designed for home servers, NAS builds, and virtualization environments, it delivers full 10Gbps fiber connectivity with an industry-leading ultra-low power draw of just \u003cstrong\u003e1.79W\u003c\/strong\u003e under full load — no fan required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__01.jpg?v=1781767996\" alt=\"Lekuo PCIe 10G SFP+ Network Card RTL8127 overview\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eChipset \u0026amp; Interface\u003c\/h2\u003e\n\u003cp\u003ePowered by the \u003cstrong\u003eRealtek RTL8127\u003c\/strong\u003e chipset, this NIC offers exceptional compatibility across Windows, Linux, and major hypervisors. The \u003cstrong\u003ePCIe 4.0 x1\u003c\/strong\u003e physical connector fits into any PCIe x1, x4, x8, or x16 slot on your motherboard, delivering full 10Gbps full-duplex bandwidth without requiring a wider slot.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__02.jpg?v=1781767996\" alt=\"Lekuo PR27F12 PCIe x1 SFP+ NIC chipset detail\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eLow-Profile \u0026amp; Full-Height Bracket Support\u003c\/h2\u003e\n\u003cp\u003eThe PR27F12 ships with both a \u003cstrong\u003efull-height bracket\u003c\/strong\u003e (pre-installed) and a \u003cstrong\u003elow-profile half-height bracket\u003c\/strong\u003e, making it compatible with standard ATX towers as well as compact SFF and rack-mount chassis. Simply swap the bracket to fit your build.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__03.jpg?v=1781767995\" alt=\"Lekuo 10G SFP+ fiber network card low-profile bracket\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSFP+ Port – Flexible Fiber \u0026amp; DAC Connectivity\u003c\/h2\u003e\n\u003cp\u003eThe single \u003cstrong\u003eSFP+ port\u003c\/strong\u003e supports 10GBASE-R and 1000BASE-X standards, compatible with a wide range of modules and cables:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSR multimode fiber (850nm, up to 300m)\u003c\/li\u003e\n\u003cli\u003eLR single-mode fiber (1310nm, up to 10km)\u003c\/li\u003e\n\u003cli\u003eER single-mode fiber (1550nm, up to 40km)\u003c\/li\u003e\n\u003cli\u003eDAC direct-attach copper cables\u003c\/li\u003e\n\u003cli\u003eAOC active optical cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__04.jpg?v=1781767994\" alt=\"Lekuo PR27F12 SFP+ port and PCIe connector detail\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUltra-Low Power: Only 1.79W at Full 10G Load\u003c\/h2\u003e\n\u003cp\u003eThe RTL8127 is engineered for exceptional energy efficiency. At full 10G load, typical power consumption is just \u003cstrong\u003e1.79W\u003c\/strong\u003e — dropping to as low as \u003cstrong\u003e0.29W\u003c\/strong\u003e in 1G mode. This is approximately \u003cstrong\u003e75% less\u003c\/strong\u003e than traditional Intel X520 NICs. The result: a completely \u003cstrong\u003efanless, passive-cooled\u003c\/strong\u003e design that runs silently 24\/7, ideal for noise-sensitive home servers and compact desktops.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__05.jpg?v=1781767994\" alt=\"Lekuo RTL8127 10G NIC power consumption comparison\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eBroad Compatibility – NAS, Virtualization \u0026amp; Soft Routers\u003c\/h2\u003e\n\u003cp\u003eThe PR27F12 is a versatile upgrade for a wide range of platforms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOS:\u003c\/strong\u003e Windows 10\/11, Linux (kernel 2.4+)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAS:\u003c\/strong\u003e TrueNAS, Xpenology (Synology DSM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirtualization:\u003c\/strong\u003e Proxmox VE (PVE), VMware ESXi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Routers:\u003c\/strong\u003e OpenWrt and other router-on-a-stick setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Networking:\u003c\/strong\u003e IEEE 802.1Q VLAN \u0026amp; 802.1ad Q-in-Q, Jumbo Frames up to 16 KB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__06.jpg?v=1781767995\" alt=\"Lekuo PCIe 10G SFP+ card application scenarios\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × PCIe 10G SFP+ Fiber NIC (full-height bracket pre-installed)\u003c\/li\u003e\n\u003cli\u003e1 × Low-profile half-height bracket\u003c\/li\u003e\n\u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/PR27F12__07.jpg?v=1781767996\" alt=\"Lekuo PR27F12 package contents\"\u003e\u003c\/p\u003e","brand":"Lekuo","offers":[{"title":"Bare Card","offer_id":53482792288569,"sku":"PR27F12","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Card + 1 optical module (SR850nm 300M)","offer_id":53482792321337,"sku":"PR27F12+OSR10F1","price":59.79,"currency_code":"USD","in_stock":true},{"title":"Card + 1 module (LR1310nm 10KM)","offer_id":53482792354105,"sku":"PR27F12+OLR10F1","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DSC00924.jpg?v=1783478490","url":"https:\/\/lekuo.shop\/products\/lekuo-10g-sfp-plus-pcie-nic-rtl8127","provider":"Lekuo","version":"1.0","type":"link"}