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

Patriot EP Pro 64GB UHS-I Memory Card Review

Patriot EP Pro 64GB SDXC Memory Card

Introduction

The EP Pro 64GB SDXC card is a high performance UHS-I memory card. According to Patriot, the EP Pro provides up to 90MB/s read and 50MB/s write speed. It is available in 32, 64 and 128GB capacities. The card is backed by a 5-year limited warranty.

Performance

In benchmark tests performed in card readers, the EP Pro 64GB SDXC card reached 96.4 MB/s maximum sequential read. Sequential write speed was 42.1 MB/s, which is slightly below the 47MB/s performance measured in a 32GB capacity version of the same card.

Card: Patriot EP Pro 90MB/s 64GB
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

Patriot EP Pro 90MB/s 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
SanDisk Extreme Pro SD UHS-II Reader/Writer97.46941.40385.1948.3914.7981171.40.715174.65.4971342.10.825201.4
Lexar Professional Workflow SR2 UHS-II96.44741.37587.88418.3936.0741483.00.788192.37.3891803.90.924225.7
Lexar LRWM04U-7000 UHS-II Reader96.18241.46288.83315.3686.2131517.00.793193.67.5301838.30.910222.2
Kingston MobileLite G4 UHS-II95.72542.14988.95113.5836.2541526.80.802195.97.5891852.80.923225.4
SanDisk Extreme Pro UHS-II SD Reader/Writer95.69039.71489.02514.6866.2491525.60.797194.77.5621846.20.933227.9
Lexar Professional Dual Slot Reader95.19541.94088.58316.9156.0101467.20.793193.77.1201738.30.915223.4
Transcend Multi-Card Reader RDF995.01442.28087.82618.6306.0121467.90.758185.07.3601796.90.922225.1
Delkin Dual Slot SD UHS-II and CF Card Reader94.85942.23587.52419.2436.1681505.90.805196.67.5221836.40.937228.7
Transcend SD Card Reader RDF5 Black94.79142.16187.32316.1474.8821191.90.729177.95.4281325.20.841205.3
Lexar Professional Dual Slot UHS-II Card Reader94.78241.47087.38116.6756.0671481.20.731178.57.3321790.10.884215.9
Kingston FCR-HS4 Card Reader94.68842.07687.86917.3636.0881486.40.795194.27.4611821.60.921224.8
Delkin Travel Reader94.66241.35785.52013.4136.1171493.30.756184.67.5141834.40.905220.9
Lexar Professional Workflow SR194.65442.01787.45320.4835.7901413.60.889217.06.8411670.20.911222.4
Delkin Universal Memory Card Reader93.99241.40586.81725.4305.7091393.80.731178.56.9191689.30.887216.5
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader92.92641.02784.2448.6025.7101394.00.739180.47.0471720.50.879214.5
SanDisk ImageMate All-In-One USB 3.092.81142.03078.44725.5423.974970.30.699170.74.3631065.20.785191.7
Kingston Multi-Card Reader FCR-HS390.25442.05662.25113.0546.3271544.60.802195.87.5501843.20.924225.6
Transcend Multi-Card Reader RDF8 Black47.50315.89145.1600.7655.1761263.81.826445.94.4931097.01.802440.0

When measured in camera tests the EP Pro 64GB fell short of high performance cards from the competition. It would be fast enough many uses, but may not be adequate for extended continuous shooting beyond a camera's buffer capacity.

Patriot EP Pro 90MB/s 64GB
Tested in Camera
Write Speed
(MB/s)
Canon 80D39.0
Canon 5D Mark IV38.5
Canon Rebel T6i/T6s38.1
Fuji X-Pro237.7
Nikon D50037.1
Canon 5Ds36.5
Nikon D710035.2
Nikon D550034.8
Fuji X-T1033.8
Nikon D560033.7
Nikon D720033.4
Olympus E-M1 II32.2
Olympus PEN-F31.9
Olympus E-M5 II30.8
Pentax K-3 II29.9
Sony A7R II28.4
Sony A630027.5
Sony A600026.6

Cameras tested with this card: Canon 5D Mark IV, Canon 5Ds, Canon 80D, Canon Rebel T6i/T6s, Fuji X-Pro2, Fuji X-T10, Nikon D500, Nikon D7200, Nikon D7100, Nikon D5600, Nikon D5500, Olympus E-M1 II, Olympus E-M5 II, Olympus PEN-F, Pentax K-3 II, Sony A7R II, Sony A6000, Sony A6300

As the flagship card from Patriot it falls short in write speed, but offers a decent value given its price.

Available sizes and prices

Compare prices on the Patriot EP Pro card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
Patriot EP Pro 90MB/s SD32$0.65$20.67
Patriot EP Pro microSD32$0.62$19.99
Patriot EP Pro 90MB/s SD64$0.47$29.99
Patriot EP Pro microSD64$0.59$37.61
Patriot EP Pro 90MB/s SD128$0.43$54.99