{"product_id":"direct-attach-copper-cable-sfp28-to-sfp28-25gbps-0-5-meter","title":"Direct Attach Copper Cable SFP28 to SFP28 25Gbps 0.5 Meter","description":"\u003cp\u003eIn this review of the Direct Attach Copper Cable SFP28 to SFP28 25Gbps 0.5 Meter the bottom line is straightforward: this compact DAC is for network engineers and system builders who need a low-latency, fixed-length copper link between SFP28 ports. It delivers the primary benefit of a direct, short-reach 25Gbps connection with minimal configuration and negligible signal conversion overhead. The reviewer found it most valuable in top-of-rack and adjacent-rack links where short distance, reliability, and cost per port matter more than fiber flexibility.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e25Gbps SFP28 link:\u003c\/strong\u003e Provides a full 25 gigabit per second electrical connection between two SFP28 ports for high-throughput server or switch interconnects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5 meter length:\u003c\/strong\u003e The half meter fixed length keeps cable management neat in dense racks and reduces excess cable loop and crosstalk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect attach copper design:\u003c\/strong\u003e Eliminates the need for transceivers and optical components, simplifying installation and lowering per-link cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSFP28 connector compatibility:\u003c\/strong\u003e Fits directly into standard SFP28 ports for straightforward plug-and-play use in compatible hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power and latency:\u003c\/strong\u003e Copper DACs typically consume less power than active modules and add negligible latency to short interconnects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at data center technicians, network administrators, and small enterprise IT teams that regularly connect SFP28-capable switches, NICs, and storage appliances over short distances. It is particularly useful in environments where predictable performance and simple deployment outweigh the flexibility of fiber.\u003c\/p\u003e\n\u003cp\u003eCustomers who need longer reach, strandability between buildings, or future-proofing for longer fiber runs should consider fiber transceivers and patching instead. Likewise, anyone using non-SFP28 ports or proprietary vendor-locked interfaces should verify compatibility before purchase.\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\u003eReliable 25Gbps electrical connection suitable for server-to-switch and switch-to-switch short links.\u003c\/li\u003e\n\u003cli\u003eCompact 0.5 meter length simplifies routing in crowded racks and avoids excess cabling.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play SFP28 fit makes installation fast with minimal configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFixed short length limits use to adjacent or same-rack connections and is not suitable for longer runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUC-DAC-SFP28\u003c\/td\u003e\n\u003c\/tr\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\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e25Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable type\u003c\/td\u003e\n\u003ctd\u003eDirect attach copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e0.5 meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eUbiquiti Networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor short-reach, high-throughput interconnects the UC-DAC-SFP28 is a clear practical choice: it pairs standard SFP28 ports with low latency and minimal setup, making it a cost-effective solution for rack-level connectivity. Buy it if you need a dependable 0.5 meter 25Gbps copper link; choose fiber if you need longer reach or more flexible cabling options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable plug-and-play?\u003c\/strong\u003e\u003cbr\u003eYes. It uses SFP28 connectors and is designed for direct insertion into compatible SFP28 ports without additional optics or configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum supported distance?\u003c\/strong\u003e\u003cbr\u003eThe cable is a fixed 0.5 meter direct attach copper link intended for adjacent or same-rack connections only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work with non-Ubiquiti switches?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with standard SFP28 ports, but buyers should confirm device support for third-party DACs in their specific hardware.\u003c\/p\u003e","brand":"Ubiquiti Networks","offers":[{"title":"Default Title","offer_id":48254639833307,"sku":"B087VTDJ9J","price":48.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41qY4_58YML._SL1000.jpg?v=1778269867","url":"https:\/\/gearmusthave.com\/products\/direct-attach-copper-cable-sfp28-to-sfp28-25gbps-0-5-meter","provider":"GearMustHave","version":"1.0","type":"link"}