Wire transfer vs ACH

Use a wire when the money has to land today and the amount is large: a home closing, a business purchase, a deposit with a deadline. Use ACH for everything else, because it costs little or nothing and gives you more room to fix a mistake.

The short version

	Domestic wire	Standard ACH	Same Day ACH
Typical speed	Same business day if sent before the cutoff	1 to 2 business days	Same day, settling at 1:00, 5:00 or 6:00 p.m. ET
Size limit	Set by your bank	Set by your bank	$1 million per payment (Nacha rule, since March 18, 2022)
What it costs you	Often $25 to $35 to send at big banks; see the fee table	Usually free for consumers	Usually free for consumers; banks may charge businesses
Can it be pulled back?	No; final once sent	Some returns are allowed within set windows	Same as standard ACH

Why a wire costs more

A domestic wire goes through the Federal Reserve’s Fedwire Funds Service (or the private CHIPS system) one payment at a time, and the money settles between the two banks as it moves. Nothing waits for a batch. That speed and finality are what you pay for.

ACH payments travel in batches that settle at set times during the day. Nacha, which writes the ACH rules, raised the cap on a single Same Day ACH payment to $1 million in March 2022. Over that, the payment is not rejected; it settles the next day.

Finality cuts both ways

A seller or a title company asks for a wire because once it arrives it is theirs. That same finality is what makes a wire the payment criminals want. If you send a wire to a fraudster’s account, your bank can request a recall, but the receiving bank is not obliged to send anything back. Federal consumer protection for electronic transfers, Regulation E, excludes Fedwire-type transfers except for the international consumer transfers covered by the remittance rule.

So before any large wire, confirm the account details by phone at a number you already had, not one from the email asking for the money. The red flags guide covers what to look for.

When ACH is the better choice

• Moving your own money between your own accounts at two banks. Link the outside account at your bank and pull the money by ACH, after checking your bank’s fee schedule for its ACH transfer fee.
• Paying a person or a business you already pay regularly.
• Anything under a few thousand dollars where a day or two does not matter.

When a wire is the better choice

• A closing, a purchase deadline, or a payment the other side will only accept by wire.
• Amounts over your bank’s ACH limits. Many banks cap consumer ACH transfers well below what they let you wire.
• Sending money abroad through your bank. ACH is domestic; an international bank transfer goes by wire over the SWIFT network, though a transfer service may pull the money from you by ACH and pay out locally.

Sources: Nacha, Same Day ACH $1 million per payment limit; Regulation E, 12 CFR 1005.3(c).