The Kingston U3 microSDXC memory card is rated at 90 MB/s read and 80MB/s write speed. It features UHS-I compatibility and is rated UHS Speed Class 3 to guarantee at least 30MB/s continuous write performance to support recording 4K video. The Kingston UHS-I U3 microSD card is available in capacities of 16, 32 and 64 GB and is backed by a lifetime warranty. The 64GB microSDXC version (SDCA3/64GB) is tested in this review.
The 64GB Kingston U3 microSD card surpassed its read and write speed ratings in USB 3.0 card reader benchmark tests. It reached 96.3 MB/s sequential read speed and 85.3MB/s sequential write speed in the Delkin Travel Reader.
Card: Kingston U3 (90/80) microSD 64GB
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
Kingston U3 (90/80) microSD 64GB Card Reader Benchmarks | Seq. Read 1000MB MB/s | Seq. Write 1000MB MB/s | Rand. Read 512KB MB/s | Rand. Write 512KB MB/s | Rand. Read 4KB MB/s QD1 | Rand. Read 4KB IOPS QD1 | Rand. Write 4KB MB/s QD1 | Rand. Write 4KB IOPS QD1 | Rand. Read 4KB MB/s QD32 | Rand. Read 4KB IOPS QD32 | Rand. Write 4KB MB/s QD32 | Rand. Write 4KB IOPS QD32 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lexar Professional Workflow SR2 UHS-II | 98.523 | 83.346 | 84.382 | 0.772 | 12.021 | 2934.8 | 0.558 | 136.3 | 14.336 | 3500.0 | 0.495 | 120.8 |
Lexar LRWM04U-7000 UHS-II Reader | 98.523 | 83.339 | 84.410 | 0.773 | 11.740 | 2866.1 | 0.418 | 102.1 | 14.427 | 3522.2 | 0.601 | 146.6 |
SanDisk Extreme Pro SD UHS-II Reader/Writer | 98.034 | 75.671 | 82.674 | 0.955 | 7.715 | 1883.6 | 0.457 | 111.5 | 8.301 | 2026.6 | 0.529 | 129.1 |
Sony S1 High Speed UHS-II Reader/Writer | 97.998 | 74.850 | 82.111 | 1.033 | 7.364 | 1797.8 | 0.427 | 104.2 | 8.024 | 1959.0 | 0.537 | 131.0 |
Delkin Black Rugged Card Reader | 97.888 | 74.818 | 82.180 | 0.973 | 7.251 | 1770.1 | 0.516 | 125.9 | 7.810 | 1906.8 | 0.462 | 112.7 |
Delkin Multi-Card CFast SD UHS-II microSD Reader | 96.643 | 74.797 | 84.424 | 0.860 | 12.784 | 3121.2 | 0.449 | 109.7 | 14.977 | 3656.4 | 0.572 | 139.6 |
SanDisk Extreme Pro UHS-II SD Reader/Writer | 96.572 | 84.284 | 84.954 | 1.048 | 11.981 | 2925.0 | 0.553 | 135.1 | 14.498 | 3539.7 | 0.513 | 125.2 |
Delkin Dual Slot SD UHS-II and CF Card Reader | 96.554 | 83.572 | 84.327 | 0.772 | 11.749 | 2868.5 | 0.628 | 153.4 | 14.453 | 3528.7 | 0.463 | 113.0 |
Kingston MobileLite G4 UHS-II | 96.456 | 84.338 | 84.884 | 0.774 | 11.979 | 2924.6 | 0.606 | 147.9 | 14.526 | 3546.4 | 0.506 | 123.6 |
Delkin Travel Reader | 96.341 | 85.271 | 83.621 | 0.925 | 11.806 | 2882.4 | 0.561 | 137.0 | 14.497 | 3539.3 | 0.598 | 146.0 |
Lexar Professional Dual Slot UHS-II Card Reader | 96.103 | 83.154 | 84.285 | 0.913 | 11.652 | 2844.8 | 0.533 | 130.2 | 14.083 | 3438.2 | 0.424 | 103.5 |
Lexar C1 USB-C microSD Reader | 95.804 | 74.984 | 82.891 | 0.847 | 8.378 | 2045.5 | 0.497 | 121.4 | 8.992 | 2195.4 | 0.599 | 146.1 |
Transcend Multi-Card Reader RDF9 | 95.673 | 83.359 | 84.258 | 0.771 | 11.732 | 2864.2 | 0.543 | 132.5 | 14.433 | 3523.7 | 0.492 | 120.1 |
Transcend Multi-Card Reader RDF8 Black | 95.299 | 83.267 | 84.271 | 0.772 | 10.344 | 2525.3 | 0.415 | 101.3 | 12.450 | 3039.5 | 0.441 | 107.7 |
Kingston FCR-HS4 Card Reader | 95.239 | 83.194 | 84.258 | 0.772 | 11.549 | 2819.6 | 0.424 | 103.5 | 14.504 | 3541.1 | 0.681 | 166.2 |
SanDisk ImageMate Pro Multi-Card Reader/Writer | 95.092 | 73.906 | 80.752 | 0.965 | 6.782 | 1655.7 | 0.547 | 133.5 | 8.210 | 2004.3 | 0.490 | 119.6 |
Lexar LRWM03U-7000 UHS-I microSD Reader | 94.551 | 83.260 | 82.946 | 0.827 | 8.880 | 2167.9 | 0.421 | 102.8 | 10.804 | 2637.8 | 0.569 | 138.9 |
Transcend SD Card Reader RDF5 Black | 94.195 | 83.102 | 82.905 | 0.859 | 7.638 | 1864.8 | 0.409 | 99.8 | 7.927 | 1935.4 | 0.451 | 110.0 |
SanDisk ImageMate All-In-One USB 3.0 | 93.489 | 83.339 | 76.361 | 1.037 | 5.451 | 1330.9 | 0.500 | 122.0 | 5.626 | 1373.6 | 0.422 | 103.0 |
SanDisk microSD UHS-II USB 3.0 Reader | 93.058 | 83.685 | 81.071 | 0.865 | 10.637 | 2596.9 | 0.535 | 130.5 | 12.900 | 3149.5 | 0.507 | 123.8 |
Lexar LRWM05U-7000 UHS-II microSD Reader | 92.655 | 83.585 | 80.752 | 0.915 | 10.203 | 2490.9 | 0.585 | 142.9 | 12.650 | 3088.5 | 0.577 | 140.9 |
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader | 92.581 | 83.672 | 80.620 | 0.866 | 10.113 | 2468.9 | 0.528 | 129.0 | 12.692 | 3098.5 | 0.574 | 140.2 |
Delkin Universal Memory Card Reader | 67.294 | 64.035 | 61.772 | 0.914 | 9.954 | 2430.2 | 0.536 | 130.8 | 11.771 | 2873.7 | 0.427 | 104.2 |
Results from in-camera testing are shown below. Additional results will be added as more cameras are tested using this card.
Kingston U3 (90/80) microSD 64GB Tested in Camera | Write Speed (MB/s) |
---|---|
Canon 80D | 79.4 |
Canon Rebel T7i | 78.2 |
Canon 77D | 78.1 |
Canon 5D Mark IV | 77.7 |
Sony A9 | 77.5 |
Nikon D7500 | 77.0 |
Canon EOS M5 | 76.0 |
Nikon D500 | 75.6 |
Fuji X-Pro2 | 73.3 |
Nikon D5600 | 72.4 |
Olympus E-M1 II | 40.6 |
Olympus PEN-F | 40.0 |
Panasonic GH5 | 37.9 |
Sony A6300 | 33.6 |
Cameras tested with this card: Canon 5D Mark IV, Canon 77D, Canon 80D, Canon EOS M5, Canon Rebel T7i, Fuji X-Pro2, Nikon D500, Nikon D7500, Nikon D5600, Olympus E-M1 II, Olympus PEN-F, Panasonic GH5, Sony A9, Sony A6300
The following table contains information encoded in the SD card.
Kingston U3 (90/80) microSD 64GB microSD — Internal Card Information | |
---|---|
Serial number (PSN) | 2302111 |
Product Name (PNM) | SD64G |
Product Revision | 3.0 |
Manufacturer ID (MID) | 0x000041 |
OEM ID (OID) | 42 |
Manufacture Date (MDT) | 09/2015 |
Total capacity | 64,223,182,848 bytes |
Compare prices on the Kingston U3 (90/80) microSD card. The lowest prices are highlighted in the table below. Prices are updated daily.
Card | Size GB | Lowest $ / GB | Prices | ||
---|---|---|---|---|---|
Amazon | B&H Photo | Adorama | |||
Kingston U3 (90/80) microSD | 16 | $0.37 | $5.99 | Check price | |
Kingston U3 (90/80) microSD | 32 | $5.87 | $187.76 | Check price | Check price |
Kingston U3 (90/80) microSD | 64 | $1.01 | $64.66 | Check price | Check price |
Kingston U3 (90/80) microSD | 128 | N/A | Check price | Check price | Check price |