This product is either discontinued or we cannot get that from suppliers.
Ubiquiti UDC-1, Unifi Direct Attach Copper Cable, Cable Jacket PVC, Cable Standard OM3, Insertion Loss ≤ 0.3 dB, Jacket OD 2.0 mm, Repeatability ≤ 0.1 dB, Durability ≤ 0.2 dB (1000 Times Mating), Return Loss ≤ 50 dB.
The SFP+ passive cable assemblies are high performance, cost effective I/O solutions for 10G Ethernet and 10G Fiber Channel applications. SFP+ copper modules allow hardware manufactures to achieve high port density.