Best MicroSD Card for Roku Ultra

The Roku Ultra HDR 4K UHD Streaming Media Player is one of the best selling media players in the world. Once plugged into your display’s HDMI port, the Roku Ultra will connect to the internet via its built-in Wi-Fi or Ethernet connectivity and is controllable via the included remote control, the free Roku app for Android and iOS. Roku Ultra has one MicroSD card slot, can support Micro SD cards. Below are recommended memory cards for Roku Ultra:

Best UHS-I MicroSD Memory Cards for Roku Ultra:

UHS-I MicroSD cards are usually very cheap, and enough for Roku Ultra use. Take a look at list of best UHS-I MicroSD memory cards for Roku Ultra. The SanDisk Extreme Plus UHS-I is the best one according to our tests. It has max read speed at 170MB/s and max write speed at 90MB/s.

Card Max. Read Speed Max. Write Speed Check Price
SanDisk Extreme Plus UHS-I 170 MB/s 90 MB/s Amazon/B&H/Adorama
SanDisk Extreme UHS-I 160 MB/s 90 MB/s Amazon/B&H/Adorama
SanDisk High Endurance UHS-I 100 MB/s 40 MB/s Amazon/B&H/Adorama
Samsung EVO Plus UHS-I 100 MB/s 90 MB/s Amazon/B&H
PNY Pro Elite UHS-I 95 MB/s 90 MB/s Amazon/B&H/Adorama
Kingston Canvas React UHS-I 100 MB/s 80 MB/s Amazon/B&H/Adorama
Delkin Devices Advantage UHS-I 100 MB/s 75 MB/s Amazon/B&H/Adorama
Transcend Ultimate UHS-I 95 MB/s 60 MB/s Amazon/B&H/Adorama
SanDisk Ultra UHS-I 100 MB/s Amazon/B&H/Adorama
Best UHS-II MicroSD Memory Cards for Roku Ultra:

Though Roku Ultra only supports UHS-I memory card, but you can still use much faster UHS-II memory cards. These cards can transfer data faster to your computers. Below are recommended UHS-II MicroSD cards for Roku Ultra:

Card Max. Read Speed Max. Write Speed Check Price
Delkin Devices Power UHS-II 300 MB/s 250 MB/s B&H
Lexar Professional 1800x UHS-II 270 MB/s 250 MB/s Amazon/Adorama
ADATA Premier One UHS-II 290 MB/s 270 MB/s Amazon/Adorama
Delkin Devices Prime UHS-II 300 MB/s 100 MB/s Amazon/B&H/Adorama
SanDisk Extreme PRO UHS-II 275 MB/s 100 MB/s Amazon/B&H/Adorama
Lexar Professional 1000x UHS-II 150 MB/s 90 MB/s Amazon/B&H/Adorama