Head to head
Angelbird AV PRO SD MK2 512GB vs SanDisk Extreme PRO SDHC/SDXC UHS-I 128GB
Our pick
Angelbird AV PRO SD MK2 512GB
SD Cards
Why this one
- Choose this 512GB V90 card for a supported SDXC camera when you want more recording capacity before moving files off the card.1


Product photographs. Not to scale.
What SanDisk Extreme PRO SDHC/SDXC UHS-I 128GB offers
Choose this 128GB Extreme PRO when its capacity fits your shoot and your camera supports this UHS-I card. V30 specifies a 30 MB/s sustained video-write minimum with a UHS-enabled host; check the recording mode’s media requirements. Its 200 MB/s peak read rating requires the specified SanDisk PRO-READER.2
2 models / at a glance
Key differences
What differs
| Specification | Angelbird AV PRO SD MK2 512GB | SanDisk Extreme PRO SDHC/SDXC UHS-I 128GB |
|---|---|---|
| Capacity | 512 GB1 | 128 GB2 |
| Write speed | 280 MB/s1 | 90 MB/s2 |
| UHS interface | Uhs II1 | Uhs i2 |
| Warranty | To receive the 3-year limited warranty, visit our warranty information page and activate your product within 30 days of purchase. The market-specific legal guarantee period comes into force if not activated within this period.1 | Lifetime Limited Warranty2 |
More details
| Specification | Angelbird AV PRO SD MK2 512GB | SanDisk Extreme PRO SDHC/SDXC UHS-I 128GB |
|---|---|---|
| Video speed class | V901 | V30 (Host: UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices.)2 |
| Read speed | 300 MB/s1 | 200 MB/s (Host: Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately).)2 |