SFP+ Cables (Direct Attach) SFP+ Cables (Direct Attach) - Buy Direct from the World's Largest SFP+ Cable OEM and Enjoy an Extra 12% OFF Instantly at Checkout. Amphenol 10-Gigabit Ethernet SFP+ Direct Attach Copper Cables are available in lengths up to 12m everyday. Now available in both SFP+ passive copper and SFP+ active copper configurations; providing an affordable low-power alternative to optical SFP+ systems. OEM compatibility guaranteed. The single channel SFP+ interface offers a far more compact profile than X2 and XFP and is fully scalable to 10-Gigabit data rates.