American Express savings allows ACH transfers up to $35,000 per day, with 1–3 business day processing and no instant transfer option. Here are the full 2026 details.

American Express ACH Transfer Limits

Limit type Amount
Per-transaction limit $35,000
Daily limit $35,000
5-day rolling limit $35,000

These limits apply to both deposits (into AmEx) and withdrawals (out of AmEx). If you need to move more than $35,000, you must make multiple transfers on different days.

Transfer Processing Times

Transfer type Timing
External → AmEx (deposit) 1–3 business days
AmEx → External (withdrawal) 1–3 business days
New account first deposit hold Up to 5 business days
Wire transfer (incoming) Same business day if received before cutoff

How to Transfer Money

Online:

  1. Log in to americanexpress.com
  2. Click your High Yield Savings account
  3. Click Transfer
  4. Choose From (external bank) and To (AmEx savings)
  5. Enter amount and date
  6. Confirm

By phone: Call 1-800-446-6307 (Mon–Fri 8 AM–9 PM ET, Sat–Sun 8 AM–6 PM ET)

Linking an External Bank Account

  1. Log in → My AccountExternal AccountsAdd Account
  2. Enter the external bank’s routing and account number
  3. AmEx makes two micro-deposits (1–2 business days)
  4. Confirm the exact amounts in your external bank’s transaction history
  5. Account is linked and ready for transfers

AmEx vs Synchrony Transfer Limits

American Express Synchrony
Daily deposit limit $35,000 $100,000
Daily withdrawal limit $35,000 $250,000
Instant transfer No No
Transfer time 1–3 days 1–3 days

If you regularly move large sums (over $35,000 at a time), Synchrony’s higher limits are a meaningful advantage.

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