The main ways to fund your Discover savings account

You can add money to a Discover savings account through ACH transfer from another bank, wire transfer, mobile check deposit, or by mailing a check. The fastest and most common method is ACH transfer, which links your Discover account to a checking account at another bank and moves money between them in one to two business days. Wire transfer is faster but costs money. Mobile check deposit and mailed checks are free but slower.

Discover does not have physical branches, so you cannot walk in and deposit cash or a check at a teller window. You also cannot deposit cash directly into your Discover account online. If you need to deposit cash, you will need to move it to another bank first, then transfer it to Discover.

Key Takeaways

  • ACH transfer from another bank account is free and takes one to two business days, making it the most practical option for regular deposits.
  • Mobile check deposit through the Discover app is free and works for checks, but the funds may take two to three business days to clear.
  • Wire transfer is the fastest method but typically costs $15 to $25 and is best used only when you need money in your account the same day.
  • You cannot deposit cash directly into a Discover savings account because Discover has no physical locations; you must move cash to another bank first.

Setting up an ACH transfer from another bank

To transfer money from a checking or savings account at another bank, you will need to link that account to your Discover savings account. Log into your Discover account online or through the mobile app, go to the Transfers section, and select "Add External Account." You will enter the routing number and account number of the bank you want to transfer from. Discover will verify the account by depositing two small amounts (usually under $1 each) into that account, which you will then confirm in your Discover account.

Once the account is verified, you can initiate a transfer. The money typically arrives in one to two business days. There is no fee for ACH transfers. You can set up recurring transfers if you want to add money on a regular schedule—for example, $100 every payday. Transfers initiated on a weekend or holiday will process on the next business day.

Depositing checks through the mobile app

Discover's mobile app lets you photograph the front and back of a check and deposit it without visiting a bank or mailing anything. Open the app, go to Deposit, select Mobile Check Deposit, and take clear photos of both sides of the check. The app will read the check amount and routing information automatically. You will need to endorse (sign) the back of the check and write "For Mobile Deposit Only" below your signature.

The funds typically post to your account within two to three business days, though Discover may hold the funds longer if the check is large or if you have not had the account open very long. There is no fee for mobile check deposit. After the deposit clears, you should destroy the physical check so it cannot be deposited twice.

Wire transfers for same-day funding

A wire transfer moves money from another bank to your Discover account on the same business day, usually within a few hours. To wire money to Discover, you will need to provide your bank with Discover's wire instructions, which you can find in your Discover account under Transfer Details or by calling Discover customer service. You will give your bank your Discover account number and Discover's routing number.

Wire transfers typically cost $15 to $25 at the sending bank, and sometimes Discover charges a small receiving fee as well. Because of the cost and the fact that ACH transfers are free, wire transfers make sense only when you need the money urgently—for example, to cover an overdraft or meet a time-sensitive payment. Once a wire is sent, it cannot be reversed, so double-check the account number before you initiate it.

Mailing a check to Discover

You can mail a check directly to Discover, though this is the slowest option. Write the check to Discover Bank, include a deposit slip or a note with your account number, and mail it to the address provided in your account or on Discover's website. The check will take five to ten business days to arrive and clear, depending on mail delivery and processing time.

There is no fee for mailing a check, but the long timeline makes this option impractical for most people. Use it only if you do not have access to the other methods or if you are not in a hurry to add the funds.

What to do if you need to deposit cash

Discover does not accept cash deposits directly because it has no physical branches. If you have cash you want to add to your Discover savings account, you will need to deposit it into a checking or savings account at another bank first, then transfer it to Discover using ACH or another method.

Many banks and credit unions allow you to deposit cash at their teller windows or ATMs, even if you do not have an account with them—though some charge a fee for non-customers. Once the cash is in another account, you can link that account to Discover and transfer the money for free using ACH. This adds a day or two to the process but avoids wire transfer fees.

Timing and limits on deposits

Discover does not publish a maximum deposit limit for savings accounts, but very large deposits may trigger fraud review or reporting requirements. If you are depositing more than $10,000 in a single transaction or multiple transactions within a short period, Discover may ask you to verify the source of the funds. This is a federal requirement, not a Discover policy, and is normal.

Deposits initiated before 11:59 p.m. Eastern Time on a business day will typically process that day. Deposits initiated after midnight or on weekends and holidays will process on the next business day. If you are counting on funds arriving by a specific date, initiate the transfer at least one business day before you need the money.

Frequently Asked Questions

Can I deposit cash at an ATM into my Discover savings account?

No. Discover does not own ATMs that accept cash deposits. You will need to deposit cash at another bank or credit union first, then transfer it to Discover using ACH or wire transfer.

How long does it take for an ACH transfer to show up?

One to two business days is typical. The exact timing depends on when you initiate the transfer and whether the sending bank and Discover process it the same day. Transfers initiated on Friday may not arrive until Tuesday.

Is there a fee to transfer money from another bank to Discover?

No, ACH transfers are free. Wire transfers cost $15 to $25 at your sending bank, and sometimes Discover charges a small fee to receive the wire. Mobile check deposit and mailed checks are also free.

What if I do not know my Discover account number?

You can find your account number in your Discover account online or in the mobile app under Account Details or Account Information. You will need it to set up ACH transfers or to include with a mailed check.

Can I set up automatic deposits to my Discover savings account?

Yes. Once you link an external bank account through ACH, you can set up recurring transfers on a schedule you choose—weekly, biweekly, monthly, or any other interval. You can change or cancel the recurring transfer at any time.