The SDSQXCJ-128G-GS6MA is listed as a SanDisk Extreme PRO 128GB microSDXC memory card, offering higher advertised read and write speeds than the 64GB model you provided earlier.
Checking Favorites status
Product specifications
-
Model: SDSQXCJ-128G-GS6MA
-
Brand: SanDisk
-
Series: Extreme PRO
-
Capacity: 128GB
-
Format: microSDXC
-
Interface: UHS-I
-
Video speed class: V30
-
Speed classes: U3, Class 10
-
Application class: A2
-
Maximum read speed: 250 MB/s
-
Maximum write speed: 120 MB/s
-
Warranty: Limited lifetime, according to your description; regional terms may vary.
Extreme PRO capacity comparison
| Capacity | Model | Read speed | Write speed |
|---|---|---|---|
| 32GB | SDSQXCO-032G-GS6MA | 100 MB/s | 90 MB/s |
| 64GB | SDSQXCU-064G-GS6MA | 200 MB/s | 90 MB/s |
| 128GB | SDSQXCJ-128G-GS6MA | 250 MB/s | 120 MB/s |
All three are listed as V30, U3, Class 10 and A2 cards.
Key takeaway: The 128GB model offers twice the storage of the 64GB model, with higher advertised read and write speeds.
Actual speeds depend on the reader and host device. For continuous CCTV recording, also check sustained write performance, endurance and camera compatibility before purchasing.