 Newark | 57AC6211 | 1 | 20 | 1 | 1 @ $364.94, 5 @ $358.42, 10 @ $352.01, 25 @ $346.84 |
| Hawk Electronics | RM4U1918VBK | 1 | 10 | 1 | 1 @ $309.60, 2 @ $304.60, 4 @ $300.60, 10 @ $296.70, 25 @ $292.90, 50 @ $285.60 |
 Galco | RM4U1918VBK-HMND | 1 | | 1 | 1 @ $455.16 |
| kscdirect.com | HAM RM4U1918VBK | 1 | | 1 | 1 @ $409.61 |
| TME | HM-RM4U1918VBK | 1 | | 1 | 1 @ $498.73, 10 @ $415.62, 50 @ $387.90 |
| Dale-Electric | RM4U1918VBK | 1 | | 1 | 1 @ $377.14 |
| us.rs-online.com | 71159715 | 1 | | 1 | 1 @ $510.37, 5 @ $469.54, 10 @ $454.20 |
 Automation Direct | RM4U1918VBK | 1 | 49 | 1 | 1 @ $454.00 |
| Digi-Key | 8826818 | 1 | | 1 | 1 @ $351.05, 5 @ $344.78, 10 @ $338.52, 25 @ $333.50 |
| Allied Electronics | 71159715 | 1 | | 1 | |
| gordonelectricsupply.com | RM4U1918VBK | 1 | This Item Usually Ships Next Day | 1 | 1 @ $381.00 |
 Digi-Key | HM2337-ND | 1 | 10 | 1 | 1 @ $283.11, 5 @ $278.05, 10 @ $273.00, 25 @ $268.95 |
 AmazonTP | B07KXD8BV2 | 1 | | 1 | 1 @ $344.01 |