| Onlinecomponents.com | UTP28SP3 | 1 | | 1 | 1 @ $13.41, 2 @ $12.74, 26 @ $12.10, 101 @ $11.49, 251 @ $10.92 |
| Newark | 46W9210 | 1 | 19 | 1 | 1 @ $16.57, 10 @ $16.14, 25 @ $15.64, 50 @ $15.21, 100 @ $14.79, 500 @ $14.37, 1000 @ $13.86 |
| Crescent Electric Supply Co | UTP28SP3 | 1 | | 1 | |
| Allied Electronics | 71122737 | 1 | | 1 | |
 Platt.com | 0701788 | 1 | | 1 | 1 @ $14.33 |
| Office Specialties | UTP28SP3 | 1 | | 1 | |
 Digi-Key | 298-12891-ND | 1 | 42 | 1 | 1 @ $11.34, 10 @ $11.03, 25 @ $10.73, 50 @ $10.42, 100 @ $10.11, 500 @ $9.81, 1000 @ $9.50 |
 PCNation | YZ6253 | 1 | | 1 | 1 @ $15.04 |
 Zoro | G0630227 | 10 | | 10 | 1 @ $16.02 |
 CDW | 3019208 | 1 | 112 | 1 | 1 @ $16.99 |
| Digi-Key | 7920180 | 1 | 64 | 1 | 1 @ $13.64, 10 @ $13.27, 25 @ $12.90, 50 @ $12.53, 100 @ $12.17, 500 @ $11.80, 1000 @ $11.43 |
 turtle.com | PAN UTP28SP3 | 1 | -2 | 1 | 1 @ $12.29 |
 steinerelectric.com | 931730 | 1 | | 1 | 1 @ $15.50 |
 alldataresource.com | MM03-PA7SD-01-CL | 1 | -2 | 1 | 1 @ $11.04 |
 alldataresource.com | MM03-PA7SD-01 | 1 | -2 | 1 | 1 @ $13.59 |
 jensentools.com | 10017874 | 1 | | 1 | 1 @ $14.60 |
| Graybar | 25474061 | 1 | 6 | 1 | 1 @ $9.42 |
| Crescent Electric Supply Co | 1886585 | 1 | | 1 | |
 Galco | UTP28SP3-PNDT | 10 | | 10 | 1 @ $12.07 |
 Beach Audio | 18243120 | 1 | | 1 | |
| us.rs-online.com | 71122737 | 1 | 50 | 1 | 1 @ $14.87, 5 @ $14.20, 10 @ $13.90, 25 @ $13.61, 50 @ $13.31, 100 @ $13.01 |
| spaceboundsolutions.com | SBS-925374 | 1 | -2 | 1 | 1 @ $16.47 |
 ipcstore.com | 12_UTP28SP3_1 | 1 | -2 | 1 | 1 @ $13.00 |
 crescentelectric.com | 1084 | 1 | | 1 | 1 @ $16.90 |