{"product_id":"10g-ethernet-converged-network-card-dual-sfp-10gbps-pcie","title":"10G Ethernet Converged Network Card - Dual SFP+ 10Gbps PCIe","description":"\u003cp\u003eIn this review the 10G Ethernet Converged Network Card is evaluated for professionals who need reliable 10Gbps connectivity and virtualization features in a cost-conscious server upgrade. The card uses the Intel 82599ES controller which consolidates LAN, iSCSI, NFS and FCoE traffic, making it a compelling choice for small data centers, virtualization hosts and NIC offload use cases. The bottom line: it delivers solid 10Gb dual SFP+ performance with hardware steering and virtualization support, while remaining straightforward to install in servers that accept a PCIe 2.0 x8 card.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntel 82599ES controller:\u003c\/strong\u003e Provides unified networking and hardware offloads that reduce CPU overhead for mixed traffic types like LAN, iSCSI, NFS and FCoE.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual SFP+ ports:\u003c\/strong\u003e Supports 10GBASE-SR, 10GBASE-LR and SFP+ direct attach copper, offering flexible optical or copper connectivity for different link distances and budgets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirtualization support:\u003c\/strong\u003e Implements VMDq and SR-IOV to improve VM I\/O isolation and throughput for virtualized servers and hypervisors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Director:\u003c\/strong\u003e Hardware-based application traffic steering helps direct flows to CPU cores or queues for lower latency in multi-tenant or NFV workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor versatility:\u003c\/strong\u003e Ships with half and full height brackets so the card fits both rack servers and small form factor chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe card is best for system administrators, homelab builders and small IT teams who need a dependable 10Gbps network interface with virtualization features and hardware offloads. Its support for common SFP+ modules and DACs makes it useful where mixed cabling exists or where fiber links are required between racks.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need native Windows 11 support, or buyers who require the absolute newest silicon for maximum power efficiency; the 82599ES is proven but not the latest generation. Also, if only single 10Gb copper RJ45 is required, a different adapter with built-in RJ45 may be more convenient.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh throughput with dual SFP+ ports for flexible 10Gb connectivity and compatibility with SR, LR and DAC links.\u003c\/li\u003e\n\u003cli\u003eStrong virtualization features including SR-IOV and VMDq that help improve VM networking performance.\u003c\/li\u003e\n\u003cli\u003eHardware features such as Intel Ethernet Flow Director and DPDK optimization lower CPU overhead in packet-heavy workloads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eController does not officially support Windows 11, which limits use in the newest desktop OS environments.\u003c\/li\u003e\n\u003cli\u003ePCIe 2.0 x8 interface is solid but newer systems with PCIe 3.0\/4.0 may not fully leverage the latest throughput potential.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eIntel 82599ES 10 Gigabit Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e2 x SFP+ (10Gb dual SFP+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLink support\u003c\/td\u003e\n\u003ctd\u003e10GBASE-SR, 10GBASE-LR, SFP+ DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCIe\u003c\/td\u003e\n\u003ctd\u003ePCIe 2.0 x8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVirtualization\u003c\/td\u003e\n\u003ctd\u003eVMDq, SR-IOV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS support\u003c\/td\u003e\n\u003ctd\u003eWindows 7\/Server 2008 R2, various Linux kernels, FreeBSD, EFI\/UEFI (no Windows 11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded brackets\u003c\/td\u003e\n\u003ctd\u003eHalf height and full height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 10G Ethernet Converged Network Card is a practical, value-oriented choice for administrators needing robust 10Gb SFP+ connectivity and virtualization features without buying cutting-edge silicon. It is especially strong in mixed traffic environments where hardware offloads, Flow Director and SR-IOV improve host efficiency. For those running modern server OSes and legacy hardware alike, it offers broad compatibility, though users requiring native Windows 11 support or the latest PCIe generation should consider alternatives.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this card work with SFP+ copper direct attach cables?\u003c\/strong\u003e\u003cbr\u003eYes, the dual SFP+ ports support SFP+ direct attach copper cables as well as SR and LR optical modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this card in virtualized hosts?\u003c\/strong\u003e\u003cbr\u003eYes, the card supports VMDq and SR-IOV to improve VM networking performance and reduce host CPU load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with Windows 11?\u003c\/strong\u003e\u003cbr\u003eNo, the Intel 82599ES controller listed does not support Windows 11 officially; use supported Windows Server or Linux releases instead.\u003c\/p\u003e","brand":"QSFPTEK","offers":[{"title":"Default Title","offer_id":48636038578395,"sku":"B0BTKPC47X","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61keq2zD_KL._AC_SL1500.jpg?v=1778571518","url":"https:\/\/gearmusthave.com\/products\/10g-ethernet-converged-network-card-dual-sfp-10gbps-pcie","provider":"GearMustHave","version":"1.0","type":"link"}