StarTech.com, 305m Cat5e, Blue, U/UTPUnshielded, Unterminated PVC Sheath

The WIRC5ECMR 350MHz Solid UTP Cable (Blue) is CMR rated for use in walls, conduit, ceilings, etc. and is packaged as a 1000-foot bulk roll. The cable features a blue PVC jacket, which provides both flexibility and durability, while making it easier to colour code network cable connections.
Backed by StarTech.com's Lifetime Warranty.

Rated up to 350Mhz to provide superior performance and bandwidth
Flexible PVC rated jacket
24 AWG solid bare copper conductor
4-pair unshielded twisted pair (UTP) cable
Foot-marked cable
Enjoy the low cost savings of buying bulk
Convenient measurement of cable runs
Applications
Mounting your standard rack mountable equipment into a server rack or cabinet