Wire transfer
Overview
 
Wire transfer or credit transfer is a method of electronic funds transfer
Electronic funds transfer
Electronic funds transfer is the electronic exchange or transfer of money from one account to another, either within a single financial institution or across multiple institutions, through computer-based systems....

 from one person or institution (entity) to another. A wire transfer can be made from one bank account to another bank account or through a transfer of cash at a cash office. Wire transfer systems are intended to provide more individualized transactions than bulk payment systems such as ACH
Automated Clearing House
Automated Clearing House is an electronic network for financial transactions in the United States. ACH processes large volumes of credit and debit transactions in batches. ACH credit transfers include direct deposit payroll and vendor payments. ACH direct debit transfers include consumer payments...

 and Check21.

Different wire transfer systems and operators provide a variety of options relative to the immediacy and finality of settlement and the cost, value, and volume of transactions.
 
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