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Terms Of Use

Warranty Policy (USA Only)

In Win Development (USA) Inc. warrants its products to be free from defects in materials and workmanship under normal use and service. Parts or products found defective during the warranty period will be repaired or replaced at the sole discretion of In Win Development (USA) Inc. upon proof of purchase.

InWin is not responsible for damage to, or loss of, any programs, data or removable storage media. You are responsible for backing up any programs or data on removable storage devices.

  • Shipping costs are covered by InWin eStore only for product returns / replacements that can be attributed to InWin eStore (such as: defected product or missing components etc.); shipping costs generated for all other product returns / replacements are covered by the purchaser.
  • InWin will repair or replace the product with a defect-free item of the same grade. Should the item be out of stock or production, the defective product will be replaced with one of the same or similar grade. This provision is confined to the warranty period.
  • The warranty period will begin on the date listed on the invoice or bill. Should the buyer lose the invoice or bill, the warranty period will begin on the date of the products' delivery (a date that is recovered by searching the product series number). For PC, retail power supply items, the buyer must register the product on the InWin website in order to receive the Limited Lifetime Warranty.
  • At their discretion, InWin reserves the right to replace the defective product with a serviced product at any time.
  • The warranty is non-transferable. The original customer shall be the sole party covered under the warranty and warranty period.
  • The provided modular cables for power supplies and case fans are compatible exclusively to their corresponding models. If these cables are used with any other power supply or case fan, damage may occur to that PSU or fan. If you’d like to purchase the proper modular cables for its corresponding model, please feel free to contact us.
  • InWin’s power supplies are covered under warranty for material and process defects. Coverage begins the date the original consumer purchased the product. Warranty time frame varies for each model, but some models can reach up to 7 years. The warranty only applies to the original purchaser. If the product exchanges hands, the new owners are unable to receive warranty service.
  • Product return / replacement can only be applied from this site (InWin eStore) for products purchased on this site. If you need to return / replace any InWin product purchased from other retail channels, please contact your dealer for the related matters.

Length of Warranty

Chart A:

Category Product Warranty Term
InWin Branded Case Case 2 Years Limited Warranty
Case Fans Standard Case Fans: LED and Non-LED Case Fans 1 Year Limited Warranty
POLARIS Series: LED and RGB 2 Years Limited Warranty
AURORA Series 2 Years Limited Warranty
POLARIS Series: RGB Aluminum 5 Years Limited Warranty
MARS Series 5 Years Limited Warranty
Branded Power Supply Force Series PSU 3 Years Limited Warranty
Premium Series PSU 5 Years Limited Warranty
Classic Series PSU 7 Years Limited Warranty
Others Accessories 1 Year

* Other InWin products that are not listed in this chart are covered by a 1-year warranty.


DOA (Dead on Arrival)

If the product is " dead on arrival," please inform your local InWin sales representative. InWin takes pride in offering the best solution for both parties, and assists with follow up services.

Once the DOA validity period expires, all defective products are considered as RMA items. The returned products should have a valid serial number to track the warranty coverage. InWin shall provide a quotation for service charges of each RMA product, including replacement parts.

Warranty Exclusions

It is important to note that our warranty is not an unconditional guarantee. The warranty does not cover events including but not limited to:

  1. Any product which has been modified without permission from InWin, or in which the serial number has been modified, defaced or removed.
  2. Accidental abuse, misuse, neglect, fire, water, lightening or any act of nature.
  3. Failure to follow instructions, shipping or transport damage (claims must be made with carrier), and any other cause, which does not relate to a product defect.
  4. InWin does not warrant products will meet your requirements. It is your responsibility to determine the suitability of products fit your purpose.
  5. Removal or installation charges.
  6. Customers are responsible for the shipping charges. When returning product, please be sure to enclose a clear description of the problem and your proof of purchase. Return it as instructed and ship it postpaid. Your dealer or InWin will not be responsible for damage due to shipping. During the warranty period, your product will be repaired or replaced, excluding shipping and handling. InWin will not accept the defective product without prior approval and RMA number.
  7. Any incidental charges.
  8. Repair or attempted repair by anyone not authorized by InWin.
  9. Third party products using InWin components will not be covered by warranty.
  10. Any damages unrelated to manufacturing defects.
  11. As one of the items in this product's packaging, if there is any inappropriate use of the modular cables that causes any damage both within product itself and/or any other damaged parts, they will not be covered by this product's warranty.
  12. Any unsuitable environment or use of the product (including cryptocurrency mining) is not covered by warranty.

Exclusion of Damages

InWin's sole obligation and liability under this warranty are both limited to the repair or replacement of a defective product at our discretion. InWin shall not, under any circumstances, be liable for any accidental or consequential damages. This includes but is not limited to damages resulting from the interruption of services, the loss of business, and liability in tort relating to any product resulting from its use or possession.

Product return / replacement deadline

There is a 30-day hesitation period for all products purchased from this site (InWin eStore) with unconditional product return / replacement application (but you still need to comply with related specifications of this term). Only product replacement or repair is accepted for products purchased for over 30 days and still within the warranty period; product return is not accepted.

Product return / replacement range and restrictions

Product type Product return (must be within 30 day hesitation period) Product replacement
General products Yes Yes
Bundled products The entire bundled products need to be returned Replacing of individual products accepted
Bonus point coupons No No
Products exchanged with bonus points No Yes
General products (including gifts) The gifts also must be returned Replacing of individual products accepted
Activity gifts No Yes
Customized products No No
Main product with additional purchase products The additional purchase products also have to be returned Replacing of individual products accepted
Main product with additional purchase of customized product No Replacement for main product only
  1. Product replacement is limited to replacing products of the same price, same item, same specification and same colors.
  2. All attached accessories and gifts must also be returned for product returns; related fees will be charged for anything missing or damaged.
  3. If the bonus points given when the original order was established have already been exchanged to bonus products, the bonus products must also be returned for product return.

Return Material Authorization Service (RMA)

No product will be accepted for direct return by InWin without first contacting InWin for a Return Material Authorization (RMA) number. If it is decided that the product may be defective, you will be given an RMA number and instructions for a product return.

An unauthorized product return will not be accepted and will be delivered back to you at your own expense. The original box and packaging materials should be kept for storing and shipping your product. To request an RMA number, please refer to the Warranty Services.

Troubleshooting Support

Troubleshooting steps: power supply units

  1. Make sure that the PC's power cable is plugged firmly into a wall socket or power strip and that the power strip is turned on.
  2. Try plugging the PC or the power strip into a different wall socket.
  3. Ensure that the power cable is firmly connected to the PC's power-supply outlet.
  4. Check to see that the power supply is switched to the "on" position.
  5. Unplug all external devices from the PC - including a CD drive or digital camera - except the monitor. If the computer powers on without the devices, add the peripherals back in one at a time until you can identify the problem device.
  6. Unplug the computer and open the PC case. Verify that the power supply is connected to the motherboard.
  7. Make sure that all internal cables are connected and that all PCI expansion cards and RAM chips are tightly seated.
  8. Examine the motherboard for noticeable signs of damage, such as cracks or burns.
  9. Remove the RAM and PCI cards and unplug your hard drive(s). Depending on your drive, you'll see either a wide, flat, gray IDE cable; a thinner red Serial ATA (SATA) cable; or a round gray or black SCSI cable. Plug in the power cable. If the computer turns on, begin plugging in additional cables and modules until you identify the faulty component.

Warranty Services

Important: InWin will not accept a returned product unless an RMA number has been previously issued by InWin.


Step 1: After you have verified that the product is defective and requires a replacement, please logon to Order Tracking / RMA in the Membership Lounge and select the order for product return, and press “Return and Replacement.” (If you are not a member, please contact us to get product return / replacement information)

Step 2: When RMA is applied, you can get RMA authorization code, then print out the authorization code and mail it to us along with the product within 14 days to the following address:

In Win Development Inc.
RMA Department
RMA# _______________ (Required)
188 Brea Canyon Road
City of Industry, CA 91789

Step 3: We will perform product inspection after receiving the product for return / replacement.

Step 4: Once inspection has passed, we will perform a refund / mail the replaced product back to you.

Product return and bonus points specifications

Bonus points and membership points received from the original order must also be returned for the product return of that order. When the review of product return application has passed, we will lock the bonus points for that order to prevent them from being misused; once the product return process is completed, we will officially deduct the bonus points and membership points received from the returned product.

Packing & Shipping

  1. The RMA number must be written visibly on the outside of the box.
  2. Include a copy of all related RMA documents.
  3. Only include products and quantities approved for requested item(s) on the RMA request.
  4. Pack contents securely to prevent possible shipping damages. Double boxing is required. InWin is not responsible for shipping damage.
  5. A carrier that provides tracking information and/or delivery confirmation is recommended.
  6. InWin will not be responsible for shipments where proof of delivery is not available.
  7. Customer will be responsible for shipping defective products to InWin.
  8. Canadian residents will be responsible for any custom/duty or any related fees.

Shipping Information

We make every effort to ship your order as quickly as possible. Please allow up to 10 business days for delivery of most in-stock items. Items ordered together may not necessarily be shipped together. You will be notified promptly of any delay. We do not ship to PO Box.

Shipping, Title and Risk of Loss

Shipping, handling, and insurance are additional; unless particularly indicated at the time of sale. InWin highly recommends the shipping of all InWin orders/returns to be insured by the carrier. Damages occurred during shipping must be claimed through carrier by the shipping party. The consumer must notify InWin of any damaged or missing items from his/her order within two (2) business days after the consumer receives his/her product.

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