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Review: Lexar Professional Workflow SR1 SD Card Reader USB 3.0

Lexar Professional Workflow SR1 SD Card Reader with Card


The Lexar Professional Workflow SR1 is a single-slot Secure Digital card reader. It functions as a standalone card reader and can be mounted in the Lexar HR1 Professional Workflow 4-port hub.

The SR1 is compatible with SD/SDHC/SDXC cards and supports UHS-I for transfer speeds up to 104 MB/s.

Lexar Professional Workflow SR1 SD Card Reader

The reader has a bright blue LED light on the front that turns of when a card is inserted and flashes while the card is being accessed.

The SR1 has a rubber pad on the bottom that holds it in place when inserting a card. The thick textured plastic case has a high gloss black front.

Lexar Professional Workflow Card Reader Back with USB 3.0 standard-B connector and cable

The rear of the reader features a full-size USB 3.0 standard-B connector.

The reader includes a protective hood to place over the front when not in use.


Reader: Lexar Professional Workflow SR1
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 10 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600

Lexar Professional Workflow SR1
Card Benchmarks
SanDisk Extreme Pro 95MB/s 32GB96.46591.843
SanDisk Extreme Pro 95MB/s 64GB96.44791.747
SanDisk Extreme Plus 80MB/s microSD 32GB96.42165.393
SanDisk Extreme Plus 80MB/s 32GB96.05959.755
SanDisk Extreme Pro 95MB/s microSDXC 64GB95.78791.125
SanDisk Extreme 90MB/s U3 64GB95.77849.634
Toshiba Exceria Pro UHS-II 32GB95.70890.762
Toshiba Exceria Type 2 32GB95.69965.799
Kingston U3 90/80 MB/s 64GB95.69085.486
Kingston Class 10 UHS-I 64GB95.68271.249
Kingston U3 90/80 MB/s 32GB95.66490.084
Toshiba Exceria Type 1 32GB95.66487.243
SanDisk Extreme Plus 95/90 MB/s microSD 32GB95.65690.684
SanDisk Extreme 90MB/s U3 32GB95.61249.123
SanDisk Extreme Pro 95MB/s 128GB95.49990.786
SanDisk Extreme Pro 95MB/s microSDHC 32GB95.49090.660
SanDisk Extreme Plus 95/90 MB/s microSD 64GB95.39490.551
Transcend 95/60 MB/s U3 64GB95.33466.742
PNY Elite Performance U1 64GB95.32566.462
PNY Elite Performance U1 32GB95.32538.442
Sony 94MB/s 32GB95.27366.746
Transcend 600x 32GB95.27339.357
Transcend 95/85 MB/s U3 32GB95.23988.600
Lexar Professional 600x 64GB95.22167.654
Transcend R95 W85 U3 64GB95.21387.946
Sony 95MB/s U3 64GB95.13587.345
Sony 95MB/s U3 32GB95.13587.938
Toshiba Exceria UHS-I Class 3 64GB94.80860.035
Panasonic Gold 95/90 64GB94.79986.402
PNY Elite Performance U3 128GB94.76568.481
Lexar Professional 1800x microSD UHS-II 32GB94.75777.369
Delkin 1900x UHS-II 32GB94.73949.714
Toshiba Exceria UHS-I Class 3 32GB94.73161.522
Transcend 600x 64GB94.68067.139
Delkin Black 32GB94.66281.424
Patriot EP Pro 90MB/s 64GB94.65442.017
PNY Turbo Performance U3 microSD 32GB94.59452.413
Lexar Professional 633x U3 32GB94.58648.994
SanDisk Extreme Plus 80MB/s 64GB94.57760.090
Transcend 95/60 MB/s U3 128GB94.51768.187
Kingston Ultimate 32GB94.51747.011
Transcend 633x microSDHC 32GB94.47588.093
Patriot EP Pro 128GB94.40742.642
Gobe Magic 104MB/s 64GB94.39887.440
Patriot EP Pro 90MB/s 32GB94.39847.430
Lexar Professional 600x 32GB94.39048.658
Samsung PRO 32GB94.39082.957
Gobe Magic 104MB/s 32GB94.29687.857
Lexar Professional 2000x UHS-II 32GB94.23792.598
Delkin Elite 633x 32GB94.20381.716
Samsung PRO Plus 64GB94.13688.160
Lexar Professional 633x U3 64GB94.12768.904
Lexar Professional 633x U3 128GB94.10268.387
Samsung PRO 64GB94.10283.386
Samsung PRO Plus 32GB93.97587.520
Lexar Professional 2000x UHS-II 64GB93.52391.980
Lexar Professional 1000x UHS-II 32GB93.44877.323
Panasonic Gold Series 32GB93.28143.362
Transcend Ultimate UHS-II U3 64GB93.21589.783
Lexar Professional 1000x UHS-II 64GB92.81975.989
Lexar Professional 1000x UHS-II 128GB92.58176.455
Transcend Ultimate UHS-II U3 32GB92.54089.622
SanDisk Extreme 90MB/s U3 128GB85.57778.363
SanDisk Extreme 80MB/s 128GB84.48179.892
SanDisk Ultra 80MB/s microSD 32GB82.56517.657
SanDisk Extreme 80MB/s 256GB81.48179.048
SanDisk Extreme 60MB/s 32GB75.38354.802
SanDisk Extreme U3 microSD 32GB74.79154.078
Lexar Professional 400x 32GB72.14143.645
SanDisk Extreme 60MB/s 64GB70.71152.610
SanDisk Extreme U3 microSD 64GB68.07655.859
SanDisk Extreme Pro 280MB/s UHS-II 32GB48.22845.984
Panasonic MicroP2 UHS-II 32GB48.21737.445
SanDisk Ultra 40MB/s 64GB47.88215.009
SanDisk Extreme 45MB/s 32GB47.88045.415
SanDisk Ultra 40MB/s 32GB Card 147.87845.570
SanDisk Ultra microSD 64GB47.87815.289
SanDisk Ultra microSD 32GB47.87414.656
SanDisk Ultra 40MB/s 32GB Card 347.81019.774
SanDisk Ultra 40MB/s 32GB Card 247.80219.988
Samsung EVO 32GB47.65629.424
Samsung EVO 64GB47.60423.767
Samsung EVO microSD 32GB47.55424.477
Toshiba NFC 16GB37.77813.156
Toshiba FlashAir II 32GB19.10412.994
Lexar Professional Workflow SR1 SD Card Reader Bottom

Compatibility is listed as Mac OS X 10.6+ and Windows 7/8. The Lexar SR1 and Professional Workflow products are covered by a two-year limited warranty. Made in China.

Compare prices on the Lexar Professional Workflow SR1 reader. The lowest prices are highlighted in the table below.

Card ReaderConnectionModel NumberPrices
AmazonB&H PhotoAdorama
Lexar Professional Workflow SR1USB 3.0LRWSR1RBNA$55.00Check priceCheck price