What the Sam's Club Mastercard offers and who it's built for
The Sam's Club Mastercard is a co-branded card issued by Synchrony Bank that gives you cash back on Sam's Club purchases and gas, plus a small reward rate on everything else. You don't need a Sam's Club membership to carry the card, but you do need one to shop there — the card itself doesn't waive the membership fee. The main trade-off is straightforward: higher rewards at Sam's Club in exchange for a card that has limited usefulness outside that ecosystem.
This card makes sense if you already pay for a Sam's Club membership and spend enough there to offset the card's annual fee. It makes less sense if you shop at Sam's Club occasionally, use other warehouse clubs, or want a card that earns well everywhere.
Key Takeaways
- The Sam's Club Mastercard earns 5% cash back on Sam's Club purchases (in-warehouse and online) and 5% on gas, but only 1% on everything else.
- The card costs $0 annually if you hold a Sam's Club membership, but you still pay the membership fee separately — the card doesn't waive it.
- You must have an active Sam's Club membership to use the card's full benefits, and the membership itself costs $45 to $110 per year depending on the tier.
- Cash back posts as a statement credit and does not roll over month to month, so you lose any balance that doesn't post before your account closes.
- The card carries no foreign transaction fees, which is useful if you travel, but the 5% rewards only explore at Sam's Club and gas pumps.
Rewards structure and where you earn the most
The card earns 5% cash back on all Sam's Club purchases made in-warehouse or online at samsclub.com, and 5% on gas purchased at any pump. Outside those two categories, you earn 1% cash back on everything else — groceries at other stores, restaurants, utilities, and all other spending.
The 5% rate at Sam's Club is competitive for a warehouse card, but the 1% everywhere else is below average for general-purpose cards. If you're comparing this to a card like the Chase Freedom Unlimited (which earns 1.5% everywhere), you're giving up 0.5% on non-Sam's Club spending. That gap widens if you use a card that earns 2% cash back across the board.
Cash back appears as a statement credit, not points or miles. It does not carry over month to month — any balance that hasn't posted as a credit before your account closes is forfeited. Check your statement regularly to confirm the cash back has posted.
Annual fee and membership costs
The Sam's Club Mastercard itself has no annual fee. However, you cannot use the card's 5% rewards without an active Sam's Club membership, and the membership is not free. A Sam's Club Gold membership costs $45 per year, and a Plus membership (which includes extra discounts and free shipping on samsclub.com) costs $110 per year.
To break even on a $45 Gold membership using only the card's 5% Sam's Club rewards, you need to spend $900 per year at Sam's Club (that's $75 per month). If you spend less than that, the membership fee eats into your rewards. A Plus membership at $110 per year requires $2,200 in annual Sam's Club spending to break even on the membership alone.
The 5% gas rewards help offset the membership cost, but only if you buy gas regularly. At $3 per gallon and 5% cash back, you'd earn $0.15 per gallon. You'd need to buy roughly 300 gallons of gas per year (about 6 gallons per week) to earn $45 in gas rewards.
How the card compares to other warehouse and grocery cards
The Costco Anywhere Visa (issued by Citi) earns 4% on gas for the first $7,500 per year, then 1% after that, plus 2% on Costco purchases and 1% everywhere else. It has no annual fee, but Costco membership is required and costs $60 to $130 per year. The Costco card's gas rewards are higher if you drive a lot, but its general Costco rate (2%) is lower than the Sam's Club card's (5%).
The Kroger Rewards Visa earns 4% at Kroger and 1% everywhere else with no annual fee and no membership required. If you shop primarily at Kroger, this card will earn more than the Sam's Club card unless you also have a Sam's Club membership and spend heavily there.
For pure cash back outside warehouse shopping, the Chase Freedom Unlimited earns 1.5% everywhere with no annual fee and no membership. If you don't have a Sam's Club membership or don't shop there regularly, a general-purpose card will serve you better.
Foreign transactions and travel benefits
The Sam's Club Mastercard charges no foreign transaction fees, which means you can use it internationally without the typical 2% to 3% markup that most cards add. This is a genuine advantage if you travel outside the United States.
The card does not include travel protections like trip cancellation insurance, lost luggage reimbursement, or emergency medical evacuation. It also does not offer rental car insurance or emergency travel information. If travel insurance matters to you, you'll need to look at premium cards or your credit card issuer's other offerings.
How to use the card and manage your account
You can explore for the Sam's Club Mastercard through Sam's Club's website or in-warehouse. Synchrony Bank handles the underwriting and account management. Once approved, the card arrives by mail and you can use it when ready at any Mastercard merchant, though the 5% rewards only explore at Sam's Club and gas pumps.
You can view your balance, statement, and cash back rewards through Synchrony's online portal or mobile app. Set up automatic payments to avoid missing a due date — the card carries a standard APR that varies based on creditworthiness, typically in the 18% to 27% range. If you carry a balance, the interest charges will quickly exceed any cash back you earn.
If your Sam's Club membership lapses, the card remains active as a Mastercard, but you lose the 5% rewards at Sam's Club. You'll earn only 1% on those purchases. Reactivate your membership to restore the 5% rate.
Drawbacks and situations where this card doesn't work
The biggest drawback is the 1% cash back rate outside Sam's Club and gas. If you use this as your everyday card, you're leaving money on the table compared to cards that earn 1.5% or 2% everywhere. The card only makes sense if Sam's Club is a major part of your spending.
The membership requirement is also a barrier. If you don't already have a Sam's Club membership or aren't willing to pay for one, the card's rewards don't justify the cost. And if you shop at multiple warehouse clubs (Costco and Sam's Club, for example), you can't earn rewards at both with a single card.
Cash back that doesn't post before your account closes is lost — there's no grace period or rollover. This is unusual and worth tracking carefully. Most other cash back cards let you redeem your balance whenever you want.
Frequently Asked Questions
Do I need a Sam's Club membership to get the card?
You can open the card without a membership, but you won't be able to use the 5% rewards at Sam's Club without one. The card itself is free, but the membership costs $45 to $110 per year depending on the tier you choose.
What happens to my cash back if I don't use it?
Cash back posts as a statement credit and does not roll over. If your account closes or your membership lapses, any unposted cash back may be forfeited. Check your statement each month to confirm the credit has posted.
Can I use this card at other grocery stores or gas stations?
Yes, you can use it anywhere Mastercard is accepted. However, you only earn 5% cash back on gas at any pump and 5% at Sam's Club. At other retailers, you earn 1% cash back.
How does this card compare to a general cash back card like Chase Freedom Unlimited?
The Chase Freedom Unlimited earns 1.5% everywhere with no annual fee or membership. The Sam's Club card earns 5% at Sam's Club but only 1% elsewhere. If you spend heavily at Sam's Club and have a membership, the Sam's Club card wins. Otherwise, the Freedom Unlimited is more flexible.
What's the APR if I carry a balance?
The APR varies based on your credit score and creditworthiness, typically ranging from 18% to 27%. Interest charges on a carried balance will quickly exceed any cash back rewards, so pay your balance in full each month.