{"product_id":"rs-q2q56-400g-cu2-174860","title":"Refurb Squared Generic Compatible 2m (7ft) 400G QSFP-DD to 2X200G QSFP56 Passive Direct Attach Copper Breakout Cable for DGX Spark AI Clusters","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRefurb Squared delivers fully tested, OEM-compatible optical transceivers, DWDM\/CWDM systems, media converters and DAC\/AOC cables — coded for Cisco, Huawei, Juniper, Arista, HPE, Dell, Nokia and Fortinet platforms, with lifetime warranty and fast global delivery.\u003c\/p\u003e\n\n\u003cp\u003eRS Q2Q56-400G-DAC is a high-performance direct-connect copper cable that supports the efficient splitting of a single QSFP-DD 400G port into two independent QSFP56 200G links. Designed for short-distance, high-bandwidth, low-latency data center interconnect scenarios, it complies with IEEE 802.3 and QSFP-DD\/QSFP56 MSA specifications. Passive DAC cables offer the lowest-cost, lowest-latency, and near-zero-power high-speed connection currently available. Supporting hot-swapping and compatible with mainstream device platforms, it can connect multiple DGX Spark nodes to a 400G switch, thereby building a compact desktop-level AI cluster.\n\nIt is widely used in high-density, short-distance interconnect environments such as high-performance computing, AI and RoCE networks, and cloud data center ToR\/Leaf architectures, and provides a flexible and scalable physical layer foundation for smooth upgrades to future 400G networks.\u003c\/p\u003e\u003cp\u003e\n\n\u003c\/p\u003e\u003cp\u003eRefurb Squared is brand of OEM-compatible optical networking products, including SFP, SFP+, QSFP+, QSFP28 and QSFP-DD transceivers, DWDM\/CWDM systems, media converters, and DAC\/AOC cables. Every module is 100% pre-shipment tested and coded for seamless compatibility with major platforms such as Cisco, Huawei, Juniper, Arista, HPE, Dell, Nokia and Fortinet — backed by a lifetime warranty, fast global delivery, and dedicated technical support for data centers, telecom operators, enterprise networks and system integrators worldwide.\u003c\/p\u003e","brand":"Refurb Squared","offers":[{"title":"Q2Q56-400G-CU2","offer_id":66834692210803,"sku":"RS-Q2Q56-400G-CU2-174860","price":218.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/0048\/6003\/files\/Product4308-1_65e6a3f7-04b1-4c30-b71d-f9cc85484527.png?v=1791651008","url":"https:\/\/www.refurb2.com\/products\/rs-q2q56-400g-cu2-174860","provider":"Refurb Squared","version":"1.0","type":"link"}