{"product_id":"4-pack-2m-10g-sfp-direct-attach-copper-cable-reliable-10gbe-links","title":"4-Pack 2m 10G SFP+ Direct Attach Copper Cable - Reliable 10GbE Links","description":"\u003cp\u003eIn this review of the 4-Pack 2m 10G SFP+ Direct Attach Copper Cable, the bottom line is simple: this kit is built for network admins and small datacenter operators who need dependable, low-cost 10GbE interconnects between SFP+ ports. The reviewer found the cables plug-and-play, compatible with a wide range of switches and NICs, and effective at maintaining 10 Gbps throughput with minimal power draw. For anyone replacing short fiber links or consolidating gear with SFP+ ports, these passive twinax cables are a practical, value-oriented choice.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10G SFP+ performance:\u003c\/strong\u003e Provides consistent 10GBase-CU connections for short-reach links, keeping latency and overhead low for server to switch links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2m length:\u003c\/strong\u003e The 2m (6.56 ft) cable length fits typical rack and top-of-rack layouts without excess slack or signal loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive twinax design:\u003c\/strong\u003e The 30AWG, 2-pair differential twinax construction delivers reliable copper signaling without active components or extra power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e Works with many vendors including Cisco, Ubiquiti, Meraki, MikroTik, Netgear and Intel, reducing the need for vendor-specific transceivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested signal integrity:\u003c\/strong\u003e Each cable is tested for performance and interoperability (passed by TDR and VNA), which lowers the risk of intermittent link issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power and temperature range:\u003c\/strong\u003e Consumes under 0.1W and operates from -20 to 85C, suitable for typical networking environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 4-pack is aimed at IT professionals, small data centers, homelab enthusiasts and anyone running multiple SFP+ ports who needs economical, reliable copper links for short distances. It is especially useful where fiber is unnecessary or where cost and simplicity matter more than maximum optical reach.\u003c\/p\u003e\n\u003cp\u003eThose who need longer runs, optical isolation, or hot-pluggable active modules should look elsewhere; passive DACs are not intended for extended distances beyond a few meters or environments where electrical separation is required.\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\u003eExcellent value for linking SFP+ ports at 10 Gbps without extra transceivers.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play compatibility across many popular brands, simplifying upgrades or cross-vendor setups.\u003c\/li\u003e\n\u003cli\u003eSolid build and consistent performance backed by signal integrity testing.\u003c\/li\u003e\n\u003cli\u003eVery low power consumption, which helps in dense rack deployments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to short-reach scenarios; not a replacement for fiber on longer runs.\u003c\/li\u003e\n\u003cli\u003ePassive twinax lacks active equalization found in some longer or active DACs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eSFP+ to SFP+ DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e2 m (6.56 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e10GBase-CU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable type\u003c\/td\u003e\n\u003ctd\u003e30AWG, 2-pair differential twinax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003eLess than 0.1W with EEPROM I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to 85C (-4 to 185F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e30 day free return, 3 year warranty, lifetime tech support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 4-pack of 2m passive SFP+ DAC cables is a pragmatic choice for anyone needing several short 10GbE links at an affordable price. It pairs broad vendor compatibility with proven signal testing and low power draw, making it a good value for rack-level connectivity where fiber is unnecessary and simplicity matters.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these work with my vendor switch?\u003c\/strong\u003e\u003cbr\u003eThey are broadly compatible with many vendors listed in the product details; check your switch SFP+ port policy but customers report success with Intel, MikroTik and Ubiquiti devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these active or passive cables?\u003c\/strong\u003e\u003cbr\u003eThese are passive twinax DACs with 30AWG construction, intended for short-reach 10G connections and low power use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty and support are included?\u003c\/strong\u003e\u003cbr\u003eThe product includes a 30 day free-return window, a 3 year warranty, and lifetime technology support.\u003c\/p\u003e","brand":"Alwong","offers":[{"title":"Default Title","offer_id":48235004756187,"sku":"B0B75669XY","price":39.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71D_6SLYvzL._SL1500_782d4ecd-ebb5-4db3-81a6-b2579646164a.jpg?v=1770724394","url":"https:\/\/gearmusthave.com\/products\/4-pack-2m-10g-sfp-direct-attach-copper-cable-reliable-10gbe-links","provider":"GearMustHave","version":"1.0","type":"link"}