Ricoh GRIV – Best Memory Cards & Recommendations

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The Ricoh GR IV has officially landed, and with the shift to a MicroSD slot and a massive bump to 53GB of internal storage, the way we handle memory for this snapshot king has changed.

While the internal memory is incredibly fast (and honestly, enough for most day-trips), you’ll still want a reliable card for backup or for those long weekends when you’re shooting 14-bit DNGs.

Despite the 2026 release, the GR IV and its siblings—the GR IV HDF and the GR IV Monochrome—still utilize a UHS-I interface. This means buying a V90 UHS-II card is a waste of money; you won’t see any in-camera speed benefits.

Top Recommended MicroSD Cards for Ricoh GR IV

Since the GR IV caps out at UHS-I speeds, these are the cards that offer the best stability and value.

1. Sandisk Extreme Pro v30 UHS-I

This remains the gold standard for Ricoh cameras. Even though the card’s tech can handle more, it plays very nicely with Ricoh’s controller. It’s consistent, it doesn’t overheat, and the “Pro” build quality offers some peace of mind for travel.

2. Sandisk Extreme V30 A2 UHS-I

One of Sandisk’s most popular cards that works flawlessly in just about any device that takes MicroSD memory cards, and is very popular among cameras like the Nikon Zf or GoPro Hero13.

3. Samsung PRO Ultimate

Samsung has been killing it lately with controller stability, and when it comes to MicroSD cards, they’re among the best, and I even frequently recommend them for various non-camera devices like the Retroid Pocket 5 or the Kindle.

4. Kingston Canvas Go! Plus

If you don’t want to overthink it, buy the Kingston. In my testing across various UHS-I bodies, Kingston often matches or beats Sandisk in actual “burst to buffer” clearing times.

5. Lexar Silver Plus V30 A2

This is one of my fastest cards that I’ve been testing. Lexar is a legendary brand like SanDisk, and they consistently make some of the best memory cards available.

Also check out the Best accessories for Ricoh GRIV.

Important: The Internal Memory Strategy

With 53GB of internal memory, the GR IV gives you a “safety net” we haven’t seen in this series before. Really, the only other mainstream camera doing something like this right is some of the Leica cameras, like the Leica M11.

• Pro Tip: Set your camera to record to the SD card first, but keep the internal memory empty. If your MicroSD card fails or you leave it in your laptop (we’ve all been there), you still have about 1,500+ RAW files worth of space built into the body.
• MicroSD vs SD: Remember, the Ricoh GR III used a full-sized SD card. The GR IV uses MicroSD. Don’t accidentally buy the big ones!

Which capacity should you get?

Stick to 128GB or 256GB. While the GR IV supports up to 1TB, larger cards can sometimes slow down the initial “handshake” when you turn the camera on. Since the GR is all about that 0.6-second start-up time, you don’t want a massive card slowing you down.