{"product_id":"10gtek-sfp-dac-twinax-cable-10gbase-cu-7m-passive-cable","title":"10Gtek SFP+ DAC Twinax Cable - 10GBase-CU 7m Passive Cable","description":"\u003cp\u003eIn this review of the 10Gtek SFP+ DAC Twinax Cable the bottom line is straightforward: this 7 meter passive 10GBase-CU twinax cable is a practical, cost-conscious choice for short-range 10GbE links when compatibility with branded SFP ports is required. It is aimed at network engineers and IT pros who need a ready-made SFP+ direct attach copper solution that is EEPROM I2C compatible with a range of vendors. The single biggest reason to buy is reliable 10g throughput and consistent factory assembly and testing that reduce the chance of intermittent signal problems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e10GBase-CU compatibility:\u003c\/strong\u003e Provides straightforward 10 Gigabit connectivity for SFP+ ports when optical modules are unnecessary and lowers per-link cost.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e7 meter length:\u003c\/strong\u003e Offers extended reach for racks and short-distance interconnects where a 3 m cable is too short but fiber is not required.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e26AWG twinax construction:\u003c\/strong\u003e Two-pair differential 26AWG copper core and shielding keep signal integrity high for 10Gb links at this distance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePassive design with EEPROM I2C:\u003c\/strong\u003e Works with Cisco, Ubiquiti, Fortinet and other compatible SFP+ ports by presenting required EEPROM data without inline electronics.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFactory testing and automated assembly:\u003c\/strong\u003e Each cable is produced on an automated line and tested with TDR and VNA to verify consistent build and signal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 10Gtek 7m DAC is best for small to mid-size networks or lab environments that need reliable, inexpensive 10GbE copper links between switches, servers, and NICs where a passive SFP+ twinax is acceptable. IT staff who prefer plug-and-play compatibility with Cisco SFP-H10GB-CU7M style ports will appreciate the EEPROM I2C compatibility.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for long-haul runs or environments where fragile release mechanisms and cable strain are a concern, and for 10GbE NICs many vendors recommend keeping passive DACs shorter than 3 m; those needing longer, high-reliability links should consider active optical cabling or SFP+ transceivers paired with fiber.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eSolid build quality and aluminum shielding provide a durable connection and dependable throughput.\u003c\/li\u003e\n \u003cli\u003eEEPROM I2C compatibility minimizes vendor lock issues with popular switch and NIC brands.\u003c\/li\u003e\n \u003cli\u003eFactory TDR and VNA testing and automated assembly improve consistency across units.\u003c\/li\u003e\n \u003cli\u003eGood value compared with optical alternatives for short interconnects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003ePassive twinax design is not recommended by some vendors for 10GbE NICs at lengths above 3 m, limiting use cases for full reliability.\u003c\/li\u003e\n \u003cli\u003eSome users report mechanical release or durability issues on rare units, so expect occasional variability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e10GBase-CU\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e7 Meter (23 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003e26 AWG, 2-pair differential twinax\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003ePassive with EEPROM I2C compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCisco SFP-H10GB-CU7M, Ubiquiti, Fortinet and other SFP+ ports\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eManufacture and test\u003c\/td\u003e\n\u003ctd\u003eAutomated assembly; TDR and VNA signal testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 10Gtek 7m SFP+ DAC is a pragmatic, cost-effective solution for rack-to-rack and short-distance 10GbE links where passive copper is acceptable. It offers consistent manufacturing, vendor EEPROM compatibility, and verified signal integrity, making it a good value for IT teams who need reliable 10g performance without the expense of optics - but those needing longer runs or the highest guaranteed NIC reliability should choose AOC cable or SFP+ modules instead.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this cable work with major vendor SFP+ ports?\u003c\/strong\u003e\u003cbr\u003eYes, the cable is EEPROM I2C compatible with many SFP+ ports including Cisco, Ubiquiti, and Fortinet, designed to present the correct module data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this for 10GbE NICs at 7 m?\u003c\/strong\u003e\u003cbr\u003eWhile it supports 10GBase-CU at 7 m, some NIC vendors advise keeping passive DACs under 3 m; consider an active optical cable or SFP+ transceivers for longer runs on sensitive NICs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow reliable is the manufacturing and testing?\u003c\/strong\u003e\u003cbr\u003e10Gtek uses automated assembly and subjects each cable to TDR and VNA measurements to ensure consistent build and signal integrity across units.\u003c\/p\u003e","brand":"10Gtek","offers":[{"title":"Default Title","offer_id":48619768512731,"sku":"B0C6XQR9WN","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61cnyQcMFjL._SL1500.jpg?v=1778484053","url":"https:\/\/gearmusthave.com\/products\/10gtek-sfp-dac-twinax-cable-10gbase-cu-7m-passive-cable","provider":"GearMustHave","version":"1.0","type":"link"}