{"product_id":"d-link-dem-cb100s28-25g-sfp28-passive-direct-attach-cable-1m","title":"D-Link DEM-CB100S28 25G SFP28 Passive Direct Attach Cable 1m","description":"\u003cdiv\u003e\n\u003ch1\u003eD-Link DEM-CB100S28 25G SFP28 Passive Direct Attach Cable 1m\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eD-Link DEM-CB100S28\u003c\/strong\u003e is a high-performance \u003cstrong\u003e25G SFP28 passive twinaxial direct attach cable (DAC)\u003c\/strong\u003e designed for \u003cstrong\u003edata-intensive mission-critical connectivity\u003c\/strong\u003e in data centres, server environments, and enterprise networks. With \u003cstrong\u003e25 Gbps data transmission speeds\u003c\/strong\u003e, this 1-metre cable delivers ultra-fast connectivity between switches, servers, and storage systems while offering \u003cstrong\u003elower latency and power consumption\u003c\/strong\u003e than traditional fibre optic or copper Ethernet cables. Ideal for Top-of-Rack (ToR) and in-rack connections, the DEM-CB100S28 provides a cost-effective, plug-and-play solution for short-distance high-bandwidth applications.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the D-Link DEM-CB100S28?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 Gbps High-Speed Data Transfer\u003c\/strong\u003e: Supports data rates up to 25 Gbps for next-generation network infrastructure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive Twinaxial Design\u003c\/strong\u003e: No active electronics means lower power consumption (typically less than 0.1W), reduced heat output, and enhanced reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Simplicity\u003c\/strong\u003e: SFP28 connectors on both ends eliminate the need for expensive SFP28 transceivers, significantly reducing deployment costs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-Standard Compliance\u003c\/strong\u003e: Fully compliant with SFF-8402, SFF-8432, EIA-364, EIA-364-1000.01, and UL 94 standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range\u003c\/strong\u003e: Operates from -40°C to 75°C, suitable for demanding environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for D-Link Switches\u003c\/strong\u003e: Optimised for compatibility with D-Link 25GbE switches including the DMS-3130 Series and other enterprise-grade networking equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHigh-Speed 25G Connectivity for Modern Data Centres\u003c\/h2\u003e\n\u003cp\u003eAs network bandwidth demands continue to grow, the \u003cstrong\u003e25 Gigabit Ethernet standard\u003c\/strong\u003e has emerged as the sweet spot for modern data centre connectivity. The DEM-CB100S28 leverages \u003cstrong\u003eSmall Form-factor Pluggable 28 (SFP28)\u003c\/strong\u003e technology to deliver 25 Gbps throughput over a compact, flexible copper twinaxial cable. This makes it perfect for connecting servers to Top-of-Rack switches, switch-to-switch uplinks within the same rack, or storage area network (SAN) connections where low latency is critical.\u003c\/p\u003e\n\u003cp\u003eUnlike optical fibre transceivers, this \u003cstrong\u003epassive copper DAC cable\u003c\/strong\u003e requires no power input and generates minimal heat, making it an energy-efficient choice for high-density rack environments. The 1-metre cable length is optimised for in-rack connections, providing the flexibility needed for clean cable management while minimising signal loss.\u003c\/p\u003e\n\n\u003ch2\u003eCost-Effective Alternative to Fibre Optics\u003c\/h2\u003e\n\u003cp\u003eTraditional fibre optic connections require SFP28 transceivers on both ends of the cable, significantly increasing hardware costs and power consumption. The \u003cstrong\u003eDEM-CB100S28 direct attach cable\u003c\/strong\u003e integrates the SFP28 connectors directly into the cable assembly, eliminating the need for separate transceivers. This results in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLower upfront hardware investment\u003c\/li\u003e\n\u003cli\u003eReduced power consumption and cooling costs\u003c\/li\u003e\n\u003cli\u003eSimplified installation and maintenance\u003c\/li\u003e\n\u003cli\u003eImproved port density without the bulk of external transceivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor short-reach applications within 1-3 metres, passive DAC cables like the DEM-CB100S28 offer \u003cstrong\u003esuperior cost-effectiveness and energy efficiency\u003c\/strong\u003e compared to optical alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt to Industry Standards\u003c\/h2\u003e\n\u003cp\u003eThe DEM-CB100S28 is engineered to meet and exceed industry standards for 25G connectivity. Compliance with \u003cstrong\u003eSFF-8402 and SFF-8432 specifications\u003c\/strong\u003e ensures broad compatibility with multi-vendor equipment, while \u003cstrong\u003eEIA-364\u003c\/strong\u003e and \u003cstrong\u003eUL 94\u003c\/strong\u003e certifications guarantee mechanical and fire safety standards. This makes the cable suitable for deployment in mission-critical environments where reliability and safety are paramount.\u003c\/p\u003e\n\u003cp\u003eThe cable features robust twinaxial copper construction with precision shielding to maintain signal integrity across the full 25 Gbps bandwidth. Its passive design means there are no active components to fail, resulting in \u003cstrong\u003eexceptional long-term reliability\u003c\/strong\u003e and minimal maintenance requirements.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Centre Networking\u003c\/strong\u003e: Top-of-Rack switch to server connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnterprise Core Networks\u003c\/strong\u003e: High-speed switch-to-switch uplinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Area Networks\u003c\/strong\u003e: Low-latency connections between storage arrays and servers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Computing\u003c\/strong\u003e: Cluster interconnects requiring maximum throughput\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirtualised Environments\u003c\/strong\u003e: Supporting bandwidth-intensive VM migration and storage traffic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eD-Link DEM-CB100S28 25G SFP28 to SFP28 Direct Attach Cable (1 metre)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eSFP28 to SFP28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003ePassive Twinaxial Copper (Direct Attach Cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 25 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance Standards\u003c\/td\u003e\n\u003ctd\u003eSFF-8402, SFF-8432, EIA-364, EIA-364-1000.01, UL 94\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1W (passive cable, no power required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Switches\u003c\/td\u003e\n\u003ctd\u003eD-Link DMS-3130-30TS and other 25GbE SFP28-equipped switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 Years (D-Link Limited Warranty)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eSpecifications are sourced from the manufacturer product page and may be updated.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"D-Link","offers":[{"title":"Default Title","offer_id":43744982925390,"sku":"PA-DLINKDEMCB100S28","price":217.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3134\/9838\/files\/DEM-CB100S28.jpg?v=1778672298","url":"https:\/\/projectorsaustralia.com.au\/products\/d-link-dem-cb100s28-25g-sfp28-passive-direct-attach-cable-1m","provider":"Projectors Australia","version":"1.0","type":"link"}