Team 1TB Elite A1 Micro SDXC Card with SD Adapter, UHS-I Class 3, U3, A1 App Performance, 100MB/s

1. What speeds can I actually expect?
Team rates the card at up to 100 MB/s read and 90 MB/s write; independent testing by TechRadar measured ~92 MB/s read and 87 MB/s write, right on target for a U3/V30 device.

2. Is it fast enough for 4 K video or action-cam footage?
Yes. The UHS-I U3 / V30 badge guarantees a sustained 30 MB/s write stream, which is what most 4 K/60 fps cameras, drones and dash-cams demand.

3. Will it work in a Nintendo Switch, Steam Deck or ROG Ally?
Absolutely—those handhelds accept standard microSDXC UHS-I cards. Community posts confirm the Elite A1 runs fine in Steam Decks and reports ~931 GB usable after formatting (the Switch simply needs a one-time firmware update for SDXC).

4. How much space will I really get out of 1 TB?
After formatting, the operating system will show about 931 GB—the normal decimal-vs-binary capacity difference users on Reddit discuss.

5. Does it ship with an SD adapter?
Yes – a full-size SD adapter is included in the blister pack.

6. What does the “A1” rating mean for phones & tablets?
“A1 App Performance” cards deliver ≥1500 IOPS random read / 500 IOPS random write, letting Android apps install and launch much faster than on non-A-class cards.

7. Is the card durable (waterproof, temperature, X-ray, etc.)?
Team Group certifies the Elite A1 as water-, dust-, X-ray- and temperature-resistant (-25 °C → 85 °C)—handy for drones or action cameras in rough environments.

8. What warranty is provided—and how does RMA work?
You get a lifetime warranty direct from Team Group. Users who RMA-ed a failed card report paying only one-way shipping and receiving a new unit back.

9. Can I trust the brand, or should I worry about fakes?
TechRadar lists the Elite A1 as a best-value pick with solid speeds and lifetime support, and long-time PC builders recognize Team Group for RAM and SSDs. Buying from authorized resellers like MemoX avoids the counterfeit cards that plague open marketplaces.

10. Is it an A2 card?
No—this model is A1 only. A2 cards offer higher random IOPS but require host-side driver support to show real-world gains; for most phones, A1 already provides snappy app launches.

11. Good for 24 / 7 security-camera duty?
While the card meets V30 spec, TechRadar notes it’s positioned for general use, not high-endurance continuous write workloads. For CCTV or dash-cams that overwrite all day, pick a specialized “High Endurance” card instead.

12. Which file system does it use, and should I re-format?
Cards leave the factory in exFAT (required for capacities above 64 GB). It’s still wise to do a quick re-format inside your device before first use to maximize compatibility.

13. Any tips to avoid corruption or speed drops?

• Keep at least 10 % free space—filling microSDs to 100 % stresses flash management and can trigger the write-protect behavior some users mention.

• Use a UHS-I card reader for large PC transfers.

• Eject safely and avoid heat buildup during long 4 K shoots