{"product_id":"compatible-with-meraki-ma-cbl-40g-1m-qsfp-to-qsfp-twinax-cable","title":"Compatible with Meraki MA-CBL-40G-1M QSFP+ to QSFP+ Twinax Cable","description":"\u003cp\u003eOur review of the Compatible with Meraki MA-CBL-40G-1M QSFP+ to QSFP+ Twinax Cable finds it best suited for administrators and integrators who need a straightforward, cost-effective way to link QSFP+ ports for stacking or short-reach switching fabrics. The single biggest reason to buy is its reliable 40Gbps passive direct-attach design that eliminates the complexity of optics for connections up to 1 meter. For those replacing a failed stacking cable or outfitting a lab rack, this cable offers an uncomplicated, plug-and-play path to full 40G connectivity.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40Gbps Data Rate:\u003c\/strong\u003e Provides full 40G bandwidth for high-throughput links between compatible QSFP+ ports, useful for aggregation and switching traffic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQSFP+ to QSFP+ Connectors:\u003c\/strong\u003e Standardized QSFP+ connectors ensure easy interoperability with equipment that accepts QSFP+ direct-attach cables for stacking or short interconnects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Meter Passive Twinax:\u003c\/strong\u003e The 1m passive Twinax construction keeps latency and power consumption low while supporting short-reach connections in racks and adjacent equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40GBASE-CR4 Compatibility:\u003c\/strong\u003e Built to meet the 40GBASE-CR4 electrical specification so it can be used where that interface is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Compatible with Meraki MA-CBL-40G-1M:\u003c\/strong\u003e Marketed as a drop-in compatible replacement for Meraki MA-CBL-40G-1M users who need the same mechanical and electrical behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Warranty:\u003c\/strong\u003e Warranty coverage reduces long-term risk for deployments that depend on consistent cabling performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is aimed at network engineers, data center technicians, and IT teams that need a short, reliable 40G direct-attach connection between QSFP+ ports for stacking switches, connecting breakout panels, or linking adjacent rack equipment. It is particularly useful where optical transceivers are unnecessary or where cost and power savings from passive cabling are priorities.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for long-distance fiber links or for environments that require active optical cables; buyers needing runs beyond short rack-to-rack distances or with special transceiver requirements should look for optical solutions or longer-length active options.\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\u003eSimple, plug-and-play QSFP+ connectivity for immediate 40G links without transceivers.\u003c\/li\u003e\n\u003cli\u003ePassive Twinax design keeps latency and power overhead minimal compared with active alternatives.\u003c\/li\u003e\n\u003cli\u003eLifetime warranty provides reassurance for production deployments and replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePassive 1m length limits use to very short rack or adjacent equipment 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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDirect-Attach Stacking Cable (DAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible with Meraki MA-CBL-40G-1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e40Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e40GBASE-CR4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eQSFP+ to QSFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e1 meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone needing a short, dependable 40G link between QSFP+ ports, this Compatible MA-CBL-40G-1M passive Twinax cable is a pragmatic, cost-effective choice. Its straightforward QSFP+ to QSFP+ wiring, low overhead, and lifetime warranty make it a good value for switch stacking and short interconnects, though users requiring longer distances should consider optical or active cable options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable truly compatible with Meraki MA-CBL-40G-1M?\u003c\/strong\u003e\u003cbr\u003eYes; it is sold as a fully compatible replacement for the Meraki MA-CBL-40G-1M mechanical and electrical behavior.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this cable be used for runs longer than 1 meter?\u003c\/strong\u003e\u003cbr\u003eNo; this is a passive 1m Twinax DAC and is designed for short rack or adjacent equipment connections only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require transceivers or additional configuration?\u003c\/strong\u003e\u003cbr\u003eNo; as a direct-attach QSFP+ to QSFP+ cable it plugs directly into compatible ports without separate transceivers or special configuration.\u003c\/p\u003e","brand":"HPC Optics","offers":[{"title":"Default Title","offer_id":48612680827099,"sku":"B01ICXY1U6","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71lguM3iz4L._SL1500.jpg?v=1778532057","url":"https:\/\/gearmusthave.com\/products\/compatible-with-meraki-ma-cbl-40g-1m-qsfp-to-qsfp-twinax-cable","provider":"GearMustHave","version":"1.0","type":"link"}