Camera Memory Speed
Memory Card Comparison & Performance Tests for Digital Cameras

Kingston UHS-I U3 64GB SDXC 90/80 Speeed Class 3 Memory Card Review

Kingston UHS-I Speed Class 3 U3 90/80 MB/s 64GB SDXC Memory Card Front

Introduction

The Kingston UHS-I U3 memory card offers fast 90 MB/s read and 80MB/s write performance. It meets UHS Speed Class 3 performance by providing at least 30MB/s continuous write performance making it ideal for recording 4K video. Its write speed is also well suited for continuous shooting in DSLR cameras. The Kingston UHS-I U3 card is available in capacities of 16, 32 and 64 GB and is backed by a lifetime warranty.

Kingston UHS-I Speed Class 3 U3 90/80 MB/s 64GB SDXC Memory Card Back

Performance

Here we test the 64GB version of the Kingston UHS-I U3. It surpassed its specified read and write speeds in our benchmark tests. Tested in USB 3.0 card readers, it reached 97.5 MB/s sequential read speed and 86.8MB/s sequential write speed. Its highest performance was attained in the Kingston MobileLite G4 card reader.

Card: Kingston U3 90/80 MB/s 64GB 64 GB
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 8.1 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600

Kingston U3 90/80 MB/s 64GB 64 GB
Card Reader Benchmarks
Sequential
Read
1000MB
(MB/s)
Sequential
Write
1000MB
(MB/s)
Random
Read
512KB
(MB/s)
Random
Write
512KB
(MB/s)
Random
Read
4KB
(MB/s)
Random
Read
4KB
(IOPS)
Random
Write
4KB
(MB/s)
Random
Write
4KB
(IOPS)
Lexar LRWM04U-7000 UHS-II Reader98.53285.80185.8363.67611.6522844.81.367333.7
Lexar Professional Workflow SR2 UHS-II98.51384.70685.7803.62511.0602700.21.284313.6
Kingston MobileLite G4 UHS-II97.49786.78885.8503.61411.6912854.31.334325.8
SanDisk Extreme Pro UHS-II SD Reader/Writer97.48885.71785.8933.57611.5962831.21.269309.7
Lexar Professional Dual Slot UHS-II Card Reader96.79584.80985.6913.84810.9032661.81.377336.1
Delkin Dual Slot SD UHS-II and CF Card Reader96.78688.59285.6123.44410.7332620.31.355330.7
Transcend Multi-Card Reader RDF996.71485.18885.6483.65010.9192665.81.374335.4
Kingston FCR-HS4 Card Reader96.46584.82985.6623.76110.9062662.71.336326.2
Lexar Professional Dual Slot Reader96.45686.83186.1893.52510.1962489.21.324323.3
Delkin Travel Reader96.27084.88483.9003.82310.8812656.51.256306.7
Lexar Professional Workflow SR195.69085.48684.5903.5689.7272374.71.384337.9
Delkin Universal Memory Card Reader95.69086.39585.7803.5599.9662433.11.405343.1
Transcend SD Card Reader RDF5 Black95.44785.27184.3963.5677.3991806.41.401342.0
SanDisk ImageMate All-In-One USB 3.094.42484.37977.0893.6485.5361351.41.350329.6
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader92.54984.98181.4333.6449.0772216.01.369334.1
Kingston Multi-Card Reader FCR-HS391.48379.03061.5203.47711.4232788.81.326323.7
Transcend Multi-Card Reader RDF8 Black85.25777.65577.1013.58410.0202446.41.361332.4

Compared to previous testing of the 32GB version of the same card, read performance of the two cards was nearly identical. Sequential write performance of the 64GB card was about three to five percent lower compared with the 32GB version.

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 MB/s 64GB
Tested in Camera
Write Speed
(MB/s)
Nikon D50079.9
Canon 80D79.8
Canon 5D Mark IV77.6
Fuji X-Pro275.7
Nikon D720072.8
Canon Rebel T6i/T6s72.3
Canon 5Ds70.8
Nikon D550070.5
Nikon D710069.1
Samsung NX154.9
Olympus E-M1 II40.6
Olympus PEN-F40.0
Olympus E-M5 II38.8
Pentax K-3 II36.2
Sony A7R II35.8
Canon 70D35.3
Canon 6D35.0
Sony A600034.8
Sony A630034.2
Fuji X-T1033.9

Cameras tested with this card: Canon 5D Mark IV, Canon 5Ds, Canon 6D, Canon 70D, Canon 80D, Canon Rebel T6i/T6s, Fuji X-Pro2, Fuji X-T10, Nikon D500, Nikon D7100, Nikon D5500, Nikon D7200, Olympus E-M1 II, Olympus E-M5 II, Olympus PEN-F, Pentax K-3 II, Samsung NX1, Sony A7R II, Sony A6000, Sony A6300

Available sizes and prices

Compare prices on the Kingston UHS-I Speed Class 3 SD card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
Kingston UHS-I Speed Class 3 SD16$1.25$19.99$19.95$19.95
Kingston UHS-I Speed Class 3 SD32$0.66$20.99$20.99$21.95
Kingston UHS-I Speed Class 3 SD64$0.47$29.79$33.95$34.95