{"product_id":"lekuo-10g-pcie-network-card-rtl8127-rj45","title":"Lekuo PCIe 10G SFP+ Fiber Network Card | Realtek RTL8127 | Ultra-Low 1.79W Power","description":"\u003cdiv style=\"max-width: 1200px; margin: 0 auto; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\"\u003e\n\u003ch2 style=\"text-align: center; color: #1a1a1a; font-size: 28px; margin: 30px 0; line-height: 1.4;\"\u003eProfessional 10G SFP+ Fiber Network Card for Enterprise Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; font-size: 16px; color: #555; line-height: 1.8; margin: 20px 0;\"\u003eThe Lekuo PCIe 10G SFP+ Fiber Network Card delivers enterprise-grade fiber optic networking performance with the energy-efficient Realtek RTL8127 chipset. Featuring ultra-low 1.79W power consumption and fanless operation, this professional network adapter is engineered for servers, workstations, and high-performance computing environments requiring reliable 10 Gigabit fiber connectivity.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin: 30px 0;\"\u003e\u003ca href=\"https:\/\/www.lekuo.com\/uploadfile\/upload\/\/data\/upload\/image\/RTL8127.zip\" style=\"display: inline-block; background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%); color: white; padding: 16px 40px; text-decoration: none; border-radius: 8px; font-weight: bold; font-size: 16px; box-shadow: 0 4px 12px rgba(0,102,204,0.3); transition: transform 0.2s;\" target=\"_blank\"\u003e📥 Download RTL8127 Driver\u003c\/a\u003e\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"color: #0066cc; font-size: 22px; margin: 30px 0 20px; padding-left: 15px; border-left: 4px solid #0066cc;\"\u003e🔷 Key Features\u003c\/h3\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 1px solid #e8e8e8;\"\u003e\n\u003cp style=\"margin: 0 0 15px; line-height: 1.8;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 18px;\"\u003eRealtek RTL8127 Chipset - Industry-Proven Reliability\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #555;\"\u003ePowered by the trusted Realtek RTL8127 controller with excellent driver support across Windows Server, Linux, FreeBSD, and VMware ESXi. Mature chipset architecture ensures stable operation in mission-critical fiber optic environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 1px solid #e8e8e8;\"\u003e\n\u003cp style=\"margin: 0 0 15px; line-height: 1.8;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 18px;\"\u003e🔌 SFP+ Fiber Connectivity - Maximum Flexibility\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #555;\"\u003eSingle SFP+ port with integrated LED indicators for link status and activity monitoring. Supports all standard SFP+ modules and DAC cables:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 15px 0;\"\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003e10GBASE-SR\u003c\/strong\u003e - Multi-mode fiber up to 300m\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003e10GBASE-LR\u003c\/strong\u003e - Single-mode fiber up to 10km\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003e10GBASE-ER\u003c\/strong\u003e - Single-mode fiber up to 40km\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003eDAC Cables\u003c\/strong\u003e - Direct Attach Copper for short-range connections\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003e1G SFP\u003c\/strong\u003e - Backward compatible with Gigabit modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 1px solid #e8e8e8;\"\u003e\n\u003cp style=\"margin: 0 0 15px; line-height: 1.8;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 18px;\"\u003e⚡ PCIe 3.0 x2 Interface - Energy Efficient Design\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #555;\"\u003ePCIe 3.0 x2 electrical interface (compatible with x4\/x8\/x16 slots) provides sufficient bandwidth for full 10Gbps throughput while minimizing power consumption. Compact low-profile design fits both standard and small form factor systems. Includes both full-height and low-profile brackets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f4 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 2px solid #28a745; box-shadow: 0 2px 8px rgba(40,167,69,0.1);\"\u003e\n\u003cp style=\"margin: 0 0 15px; line-height: 1.8;\"\u003e\u003cstrong style=\"color: #28a745; font-size: 18px;\"\u003e🌿 Ultra-Low Power Consumption - 75% Less Than Intel X520\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 15px 0;\"\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003eOnly 1.79W at 10G\u003c\/strong\u003e - Industry-leading power efficiency\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003e0.29W at 1G\u003c\/strong\u003e - Minimal idle power consumption\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003eFanless Operation\u003c\/strong\u003e - Silent, reliable, maintenance-free\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003e24\/7 Operation\u003c\/strong\u003e - Ideal for always-on servers and NAS systems\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #28a745;\"\u003e✅\u003c\/span\u003e \u003cstrong\u003eReduced Heat\u003c\/strong\u003e - Lower cooling requirements for data centers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 1px solid #e8e8e8;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.8;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 18px;\"\u003e🔧 Professional-Grade Construction\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #555;\"\u003eGold-plated PCIe edge connector ensures reliable electrical contact and long-term durability. High-quality multi-layer PCB design with passive cooling provides excellent signal integrity and EMI shielding for sustained high-bandwidth fiber optic operations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"color: #0066cc; font-size: 22px; margin: 30px 0 20px; padding-left: 15px; border-left: 4px solid #0066cc;\"\u003e💼 Ideal Applications\u003c\/h3\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #f0f8ff 0%, #e6f2ff 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 1px solid #b3d9ff;\"\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 30px;\"\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e Enterprise servers and data centers with fiber infrastructure\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e High-performance workstations requiring long-distance connectivity\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e Network-attached storage (NAS) systems with fiber SAN\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e Virtualization hosts (VMware ESXi, Proxmox, Hyper-V)\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e Media production facilities with fiber backbone\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e Campus networks and building-to-building connections\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative; break-inside: avoid;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0066cc;\"\u003e✅\u003c\/span\u003e Low-power, fanless server builds and edge computing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"color: #0066cc; font-size: 22px; margin: 30px 0 20px; padding-left: 15px; border-left: 4px solid #0066cc;\"\u003e📋 Technical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 90%; max-width: 900px; border-collapse: collapse; margin: 20px auto; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.08);\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%); color: white;\"\u003e\n\u003ctd style=\"padding: 15px; font-weight: bold; width: 35%; text-align: left; font-size: 16px;\"\u003eSpecification\u003c\/td\u003e\n\u003ctd style=\"padding: 15px; font-weight: bold; text-align: left; font-size: 16px;\"\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003eLekuo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003ePR27F11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003eRealtek RTL8127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eHost Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003ePCIe 3.0 x2 (electrically), compatible with x4\/x8\/x16 slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eNetwork Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e1 × SFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e10 Gbps \/ 1 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #e8f5e9;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\n\u003cstrong style=\"color: #28a745;\"\u003e0.29W (1G) – 1.79W (10G)\u003c\/strong\u003e, typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eSupported Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003eIEEE 802.3 Series, VLAN (802.1Q)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e0°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e80 mm × 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; border-bottom: 1px solid #e0e0e0; vertical-align: middle;\"\u003eNet: 41.2g \/ Gross: 112.4g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 12px 15px; vertical-align: middle;\"\u003e\u003cstrong\u003eOS Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; vertical-align: middle;\"\u003eWindows, Linux, FreeBSD, VMware ESXi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"color: #0066cc; font-size: 22px; margin: 30px 0 20px; padding-left: 15px; border-left: 4px solid #0066cc;\"\u003e📦 Package Contents\u003c\/h3\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #fff8e1 0%, #fffbf0 100%); padding: 25px; border-radius: 12px; margin: 20px 0; border: 1px solid #ffe082;\"\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #ff9800;\"\u003e✅\u003c\/span\u003e 1x Lekuo PCIe 10G SFP+ Fiber Network Card\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #ff9800;\"\u003e✅\u003c\/span\u003e 1x Low-profile bracket for compact systems\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; padding-left: 25px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #ff9800;\"\u003e✅\u003c\/span\u003e 1x User manual with installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 15px 0 0; font-style: italic; color: #666; font-size: 14px;\"\u003e\u003cem\u003eNote: SFP+ modules and fiber cables sold separately\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"color: #0066cc; font-size: 22px; margin: 30px 0 20px; padding-left: 15px; border-left: 4px solid #0066cc;\"\u003e❓ Frequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #f8f9fa; padding: 30px; border-radius: 12px; margin: 20px 0; box-shadow: 0 2px 8px rgba(0,0,0,0.05);\"\u003e\n\u003cdiv style=\"margin-bottom: 25px; padding-bottom: 25px; border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 16px;\"\u003eQ: How much power does this card consume compared to Intel X520?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555; line-height: 1.7;\"\u003eA: The RTL8127 consumes only 1.79W at 10G, which is approximately 75% less than the Intel X520 (typically 6-8W). This makes it ideal for low-power builds, fanless servers, and energy-efficient data centers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px; padding-bottom: 25px; border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 16px;\"\u003eQ: Does this card require active cooling or a fan?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555; line-height: 1.7;\"\u003eA: No, this card features fanless, passive cooling design. The ultra-low power consumption (1.79W) generates minimal heat, making it perfect for silent operation and maintenance-free 24\/7 use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px; padding-bottom: 25px; border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 16px;\"\u003eQ: Is this compatible with VMware ESXi and Proxmox?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555; line-height: 1.7;\"\u003eA: Yes, the Realtek RTL8127 chipset is supported by VMware ESXi, Proxmox VE, and other virtualization platforms. Check driver compatibility for your specific hypervisor version.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px; padding-bottom: 25px; border-bottom: 1px solid #e0e0e0;\"\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 16px;\"\u003eQ: Can I use DAC (Direct Attach Copper) cables with this card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555; line-height: 1.7;\"\u003eA: Yes, this SFP+ port supports DAC cables for short-range 10G connections (typically 1-7 meters), which is a cost-effective alternative to fiber for rack-to-rack or server-to-switch connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong style=\"color: #0066cc; font-size: 16px;\"\u003eQ: Will this work in a PCIe x4 or x8 slot?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555; line-height: 1.7;\"\u003eA: Yes, while the card is electrically PCIe 3.0 x2, it is physically and electrically compatible with PCIe x4, x8, and x16 slots. It will work in any available PCIe slot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"color: #0066cc; font-size: 22px; margin: 30px 0 20px; padding-left: 15px; border-left: 4px solid #0066cc;\"\u003e💾 Driver Download\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 30px 0; padding: 30px; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.08);\"\u003e\n\u003cp style=\"margin-bottom: 20px; font-size: 16px; color: #333;\"\u003eDownload the latest RTL8127 driver package for optimal performance:\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.lekuo.com\/uploadfile\/upload\/\/data\/upload\/image\/RTL8127.zip\" style=\"display: inline-block; background: linear-gradient(135deg, #28a745 0%, #20893a 100%); color: white; padding: 18px 50px; text-decoration: none; border-radius: 8px; font-weight: bold; font-size: 17px; box-shadow: 0 4px 15px rgba(40,167,69,0.3); transition: transform 0.2s;\" target=\"_blank\"\u003e⬇️ Download RTL8127 Driver Package\u003c\/a\u003e\n\u003cp style=\"margin-top: 20px; font-size: 14px; color: #666;\"\u003eSupports Windows, Linux, FreeBSD, and VMware ESXi\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003cdiv style=\"text-align: center; padding: 30px; background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%); border-radius: 12px; margin: 30px 0; box-shadow: 0 2px 12px rgba(0,102,204,0.1);\"\u003e\n\u003cp style=\"margin: 0; font-size: 18px; color: #0066cc; font-weight: bold;\"\u003eWhy Choose Lekuo?\u003c\/p\u003e\n\u003cp style=\"margin: 15px 0 0; color: #555; line-height: 1.8; font-size: 15px;\"\u003eWe specialize in enterprise-grade storage and networking solutions for professional environments. Every product undergoes rigorous quality testing to ensure reliable performance in demanding fiber optic applications. Backed by technical support and warranty coverage for peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lekuo","offers":[{"title":"Default Title","offer_id":51921343086905,"sku":"PR27F11","price":46.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/4897\/8233\/files\/DSC00432.jpg?v=1770359788","url":"https:\/\/lekuo.shop\/products\/lekuo-10g-pcie-network-card-rtl8127-rj45","provider":"Lekuo","version":"1.0","type":"link"}