1m (3ft) MTP®-12 (Female) to MTP®-12 (Female) OM4 Multimode Elite Trunk Cable, 12 Fibers, Type B, Plenum (OFNP), Magenta US$ 43.00
FHD High Density 1U Rack Mount Modular Enclosure Unloaded, Holds up to 4 x FHD Cassettes or Panels, 144 Fibers (LC) US$ 42.00
FHD Fiber Adapter Panel (Color-coded), OS2/OM3/OM4, 12 x MTP®-12 Key Up to Key Down (Black) Adapter US$ 119.00
S5850-48S6Q, 48-Port Ethernet L3 Switch, 48 x 10Gb SFP+, with 6 x 40Gb QSFP+, Support MLAG US$ 3,399.00
40G high-density fiber cabling system with MTP fiber adapter panel. Here's an example of 40G SR4 QSFP+ transceivers and MTP OM4 fiber cables connection.