SanDisk

SanDisk is a US storage brand owned by Western Digital, category-leading in SD cards, microSD cards, portable SSDs, USB flash drives, and specialty enterprise storage. Positioning is high-reliability consumer and prosumer storage across recording (cameras, drones), gaming (Switch), mobile, and computer backup use cases. Product sold at sandisk.com and major electronics retailers.

SD card speed classes cover sustained write speed for video capture: V30 (30 MB/s minimum sustained write, standard 4K), V60 (60 MB/s, 4K high-bitrate and 6K), V90 (90 MB/s, 8K and RAW video). UHS-II SD cards are physically distinct with dual-row pins and higher transfer speeds. Match the camera's required class to the SD card; over-spec is fine but under-spec causes recording drops.

The A1 and A2 ratings on microSD cards refer to app-load random-read and random-write performance (relevant to phones running apps directly from the card). A2 delivers higher random IOPS than A1 and is preferred for apps running from the card. For pure video capture (GoPro, dashcam) either A1 or A2 works if the sustained V30 write speed is met. Nintendo Switch benefits from A2 for shorter load times.

The SanDisk Extreme Pro Portable SSD delivers up to 2000 MB/s sustained read and write on the current-generation model with a USB 3.2 Gen 2x2 interface. Rugged IP55 dust and water protection, drop resistance to 2m. Suitable for video editing on laptop, external Time Machine or Windows backup, and large-file transfers on the go. Compare against Samsung T9 and Crucial X10 Pro for direct alternatives at similar performance.

Main annual sale windows include Winter Sale (January), CES-related storage promotions (January), Presidents Day (February), Spring Sale, Memorial Day (25 May 2026), Prime Day counter-sale (mid-July), Back to School (July to September), Labor Day (7 September 2026), Black Friday (27 November 2026), Cyber Monday (30 November 2026), and Year-End Sale. Storage capacity per dollar has trended down through the year historically.

SanDisk warranty coverage varies by product line: Extreme Pro SD cards and microSD typically carry lifetime limited warranty; Extreme line typically 10-year limited warranty; Ultra line typically 10-year limited warranty; Portable SSDs typically 5-year limited warranty. Verify current warranty terms per product page. Retail packaging typically includes warranty registration guidance.

SanDisk direct typically offers a return window on unused product in original packaging with all accessories intact. Opened storage that has been formatted or used may be case-by-case or restricted to defective-only returns. Warranty claims on defective product are handled through SanDisk support rather than returns. Cashback is based on what you keep: if you return or cancel part of an order, the Cashback adjusts to match.

For Nintendo Switch, a UHS-I A2 V30 microSD card works well; typical capacities 256GB and 512GB are common Switch expansion sizes. The SanDisk Ultra and Extreme microSD lines both work; Extreme with A2 offers slightly faster app load. Switch does not benefit from UHS-II (Switch reads at UHS-I speeds regardless of card class). Verify capacity limits on the specific Switch model.

SanDisk periodically offers codes tied to newsletter signup, seasonal sale windows (Black Friday, Back to School) and student discounts. No code needed: go through ShopBack before you pay and part of what you spend comes back as Cashback.

Go through ShopBack before you pay and the Cashback tracks to your ShopBack account: sign in at shopback.com, open shopback.com/sandisk and continue to sandisk.com. On your phone, open SanDisk from the ShopBack app and finish the order there. Pending Cashback appears within a few days and confirms after the return window closes.

SanDisk runs seasonal sale pricing and its own promo offers. During SanDisk sales, the sale price is what you pay at checkout. Going through ShopBack before you pay is an essential step, and part of what you spend comes back as Cashback. Check the rate shown on ShopBack's SanDisk page before you buy.

SD and microSD cards for cameras and drones, portable SSDs for laptop backup and video editing, USB flash drives for file transfer, and specialty prosumer storage bundles for content creator kits. For high-capacity internal SSDs and NAS drives, sister brand Western Digital covers those categories.

SanDisk sells consumer SD cards, microSD cards, portable SSDs, USB flash drives and prosumer storage bundles on sandisk.com. The SanDisk page on ShopBack shows which purchases earn Cashback and the live rate.