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SanDisk Extreme Pro 95MB/s UHS-I U3 256GB SDXC Card Review

SanDisk Extreme Pro 95MB/s UHS-I U3 256GB SDXC Card

Introduction

SanDisk Extreme Pro 95MB/s UHS-I 256GB card offers gigantic capacity with the highest level of UHS-I performance available. SanDisk quotes 95MB/s read and 90MB/s write speeds for the card. The card is rated UHS Speed Class 3 (U3) making it suitable for continuous 4K video recording. The Extreme Pro 95MB/s UHS-I cards are available in 16, 32, 64, 128, 256 and 512 GB capacities. This review is for the 256GB capacity SDXC version (SDSDXP-256G-A46). Previous reviews of the 32GB, 64GB and 128GB Extreme Pro 95MB/s cards are available.

SanDisk Extreme Pro 95MB/s UHS-I U3 256GB SDXC Card

Performance

The 256GB Extreme Pro 95MB/s UHS-I card was measured for read and write speed using performance benchmarks in USB 3.0 card readers. The card posted sequential read benchmarks up to 99.5 MB/s and write speeds as high as 91.7 MB/s. This places the 256GB Extreme Pro among the top UHS-I card tested in any capacity.

Card: SanDisk Extreme Pro 95MB/s 256GB
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

SanDisk Extreme Pro 95MB/s 256GB
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-II99.50490.13092.27175.1919.0512209.72.987729.28.3192031.12.740668.9
Lexar LRWM04U-7000 UHS-II Reader99.50490.29392.14875.1309.0272203.82.979727.38.3172030.62.728665.9
SanDisk Extreme Pro SD UHS-II Reader/Writer99.29791.74788.61273.8687.5351839.72.370578.76.6451622.42.252549.9
Transcend Multi-Card Reader RDF997.37090.48092.34775.1679.3562284.23.000732.48.3262032.82.724665.1
Lexar Professional Dual Slot UHS-II Card Reader97.13589.95292.07277.3549.0132200.53.388827.18.2762020.53.294804.2
SanDisk Extreme Pro UHS-II SD Reader/Writer97.03690.32492.13374.8869.0932220.03.016736.48.4252057.02.759673.6
Delkin Dual Slot SD UHS-II and CF Card Reader96.97490.37192.08775.1428.9152176.52.988729.58.3102028.82.734667.5
Kingston MobileLite G4 UHS-II96.94790.30992.02674.8619.3752288.83.043742.88.3712043.72.802684.2
Delkin Travel Reader96.86690.51989.90373.4238.9242178.72.981727.98.3252032.42.729666.2
Kingston FCR-HS4 Card Reader96.79590.10791.95075.3399.2632261.42.998731.98.3582040.42.725665.4
Delkin Universal Memory Card Reader95.72591.34789.46075.7228.7602138.62.659649.28.1631992.92.541620.4
Transcend SD Card Reader RDF5 Black95.15290.00789.15374.1967.4221812.12.441595.96.4481574.12.251549.5
SanDisk ImageMate All-In-One USB 3.094.56089.07481.46066.5065.5621358.02.204538.15.1571259.02.067504.7
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader93.24887.82886.81773.6749.2532259.12.607636.58.3612041.22.552623.0
Transcend Multi-Card Reader RDF8 Black85.16081.85680.71374.8119.2262252.43.300805.68.0571967.03.131764.5

The Extreme Pro 256GB card will be included in upcoming camera tests. Results will be shown in table below.

SanDisk Extreme Pro 95MB/s 256GB
Tested in Camera
Write Speed
(MB/s)
Nikon D750080.6
Nikon D560079.1
Canon 5D Mark IV78.8
Canon Rebel T7i78.7
Canon 77D78.0
Sony A977.7
Olympus E-M1 II41.4

Cameras tested with this card: Canon 5D Mark IV, Canon 77D, Canon Rebel T7i, Nikon D7500, Nikon D5600, Olympus E-M1 II, Sony A9

The following table contains information encoded in the SD card.

SanDisk Extreme Pro 95MB/s 256GB SD — Internal Card Information
Serial number (PSN)2863890160
Product Name (PNM)SP256
Product Revision8.0
Manufacturer ID (MID)0x000003
OEM ID (OID)SD
Manufacture Date (MDT)08/2016
Total capacity255,865,651,200 bytes

Available sizes and prices

Compare prices on the SanDisk Extreme Pro 95MB/s SD card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
SanDisk Extreme Pro 95MB/s SD16$1.00$15.95$15.95$15.95
SanDisk Extreme Pro 95MB/s SD32$0.91$28.99Check priceCheck price
SanDisk Extreme Pro 95MB/s SD64$0.69$43.95Check priceCheck price
SanDisk Extreme Pro 95MB/s SD128$0.50$77.95Check price$63.49
SanDisk Extreme Pro 95MB/s SD256$0.48$165.00Check price$122.95
SanDisk Extreme Pro 95MB/s SD512$0.58$296.68$299.95$299.95