Buying guide
SD-Family Card Readers
Our pick
OWC Atlas Dual SD Card Reader
Choose the OWC Atlas Dual SD Card Reader for an SD-only offload kit that keeps separate cables and power adapters out of the bag.1
The alternatives
Other contenders
Lexar Professional CFexpress Type A/SD USB 3.2 Gen 2 Reader
Choose the Lexar Type A/SD reader if that mixed-card setup must connect to USB-A; its included connection and simultaneous transfers cover that need.3
Choose the ProGrade Digital PG05.7 when you need one USB4 reader to offload CFexpress Type B and SD cards simultaneously.5
For CFexpress Type A and SD cards in a USB4 setup, choose the ProGrade Digital PG09.7 for its simultaneous offload support.6
SanDisk PRO-READER SD Express Dual Card
Choose the SanDisk PRO-READER SD Express Dual Card for SD Express and microSD Express cards; it has one slot for each format.7
Buying advice
Compare the options
6 products
Product image unavailableSanDisk PRO-READER SD Express Dual Card
Compare models side by side
Choose two or three products to compare.
Models in this comparison
Every specification for these products
| Specification | OWC Atlas Dual SD Card Reader | Lexar Professional CFexpress Type A/SD USB 3.2 Gen 2 Reader | ProGrade Digital dual SD card reader | ProGrade Digital PG05.7 | ProGrade Digital PG09.7 | SanDisk PRO-READER SD Express Dual Card |
|---|---|---|---|---|---|---|
| Reads SD cards | Yes1 | Yes3 | Not published | Yes5 | Yes6 | Yes8 |
| Reads CFexpress Type A cards | Not published | Yes3 | Not published | Not published | Yes6 | Not published |
| Reads CFexpress Type B cards | Not published | Not published | Not published | Yes5 | Not published | Not published |
| Card slots | 22 | 23 | 24 | 25 | 26 | 27 |
| Offloads two cards at once | Not published | Yes3 | Not published | Yes5 | Yes6 | Not published |
| Connection | USB 3.2 (10Gb/s)2 | USB 3.2 Gen 23 | USB 3.2 Gen 24 | USB 4.05 | USB 4.06 | USB 3.2 Gen 27 |
| Rated transfer speed | 300 MB/s1 | 900 MB/s (Tested configuration: Rated for CFexpress Type A cards; system configuration and card speed affect results. SD UHS-II is rated separately up to312MB/s.)3 | 1,250 MB/s (1.25 GB/s)4 | 5,000 MB/s (5 GB/s) (Host interface: Manufacturer-advertised upper limit over USB4; not a measured offload result.)5 | 5,000 MB/s (5 GB/s) (Host interface: Manufacturer-advertised upper limit over USB4; not a measured offload result.)6 | Not published |
| Tested read speed | Not published | Not published | Not published | Not published | Not published | Not published |
| Works with older CFexpress 2.0 cards | Not published | Not published | Not published | Yes5 | Yes6 | Not published |
| Built-in cooling | Not published | Not published | Not published | Yes5 | Yes6 | Not published |
| Magnetic mounting | Not published | Not published | Not published | Yes5 | Yes6 | Not published |
| Built-in cable | Yes1 | Not published | Not published | Not published | Not published | Not published |
| Connects to USB-A | Not published | Yes3 | Not published | Not published | Not published | Not published |
Compare features
Reset requirements
6 products
OWC Atlas Dual SD Card Reader
- Connection
- USB 3.2 (10Gb/s)2
Lexar Professional CFexpress Type A/SD USB 3.2 Gen 2 Reader
- Connection
- USB 3.2 Gen 23
ProGrade Digital dual SD card reader
- Connection
- USB 3.2 Gen 24
ProGrade Digital PG05.7
- Connection
- USB 4.05
ProGrade Digital PG09.7
- Connection
- USB 4.06
Product image unavailableSanDisk PRO-READER SD Express Dual Card
SanDisk PRO-READER SD Express Dual Card
- Connection
- USB 3.2 Gen 27
How they compare
Scroll the table to see every product and specification.
| Specification | Our pickOWC Atlas Dual SD Card Reader | Lexar Professional CFexpress Type A/SD USB 3.2 Gen 2 Reader | ProGrade Digital dual SD card reader | ProGrade Digital PG05.7 | ProGrade Digital PG09.7 | SanDisk PRO-READER SD Express Dual Card |
|---|---|---|---|---|---|---|
| Reads SD cards | Yes1 | Yes3 | Not published | Yes5 | Yes6 | Yes8 |
| Reads CFexpress Type A cards | Not published | Yes3 | Not published | Not published | Yes6 | Not published |
| Reads CFexpress Type B cards | Not published | Not published | Not published | Yes5 | Not published | Not published |
| Card slots | 22 | 23 | 24 | 25 | 26 | 27 |
| Offloads two cards at once | Not published | Yes3 | Not published | Yes5 | Yes6 | Not published |
| Connection | USB 3.2 (10Gb/s)2 | USB 3.2 Gen 23 | USB 3.2 Gen 24 | USB 4.05 | USB 4.06 | USB 3.2 Gen 27 |
| Rated transfer speed | 300 MB/s1 | 900 MB/s (Tested configuration: Rated for CFexpress Type A cards; system configuration and card speed affect results. SD UHS-II is rated separately up to312MB/s.)3 | 1,250 MB/s (1.25 GB/s)4 | 5,000 MB/s (5 GB/s) (Host interface: Manufacturer-advertised upper limit over USB4; not a measured offload result.)5 | 5,000 MB/s (5 GB/s) (Host interface: Manufacturer-advertised upper limit over USB4; not a measured offload result.)6 | Not published |
| Tested read speed | Not published | Not published | Not published | Not published | Not published | Not published |
| Works with older CFexpress 2.0 cards | Not published | Not published | Not published | Yes5 | Yes6 | Not published |
| Built-in cooling | Not published | Not published | Not published | Yes5 | Yes6 | Not published |
| Magnetic mounting | Not published | Not published | Not published | Yes5 | Yes6 | Not published |
| Built-in cable | Yes1 | Not published | Not published | Not published | Not published | Not published |
| Connects to USB-A | Not published | Yes3 | Not published | Not published | Not published | Not published |