Camera Memory Speed
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Toshiba Exceria Pro N502 64GB SDXC Memory Card Review

Toshiba Exceria Pro N502 UHS-II V90 64GB SDXC Memory Card Front

Introduction

Toshiba is a pioneer and leader in Secure Digital memory cards. The Exceria Pro N502 is the flagship SD card offering up to 270MB/s read and 260MB/s write speeds, along with a Video Speed Class 90 (V90) rating to deliver at least 90MB/s continuous write speed. This makes the card suitable for 8K video recording. The card is also backwards compatible with UHS-I devices and operates in SDR104 mode to provide up to 95MB/s read and 95MB/s write speeds. The Exceria Pro N502 card is produced in 32, 64, 128 and 256 GB capacities. The Exceria Pro N502 64GB SDXC card model THN-N502G0640A6 with UPC 4547808810111 is covered in this review. The card is made in Japan is covered by a 5-year warranty.

Toshiba Exceria Pro N502 UHS-II V90 64GB SDXC Memory Card Back

Performance

The Exceria Pro N502 64GB SDXC card was tested in several UHS-I and UHS-II card readers. The benchmark results show the card measured up to 278.4 MB/s maximum sequential read speed. This is slightly better than the 170 MB/s read speed rating. The card attained a sequential write speed of 252.6 MB/s in the benchmark tests. This is slightly below the 260 MB/s maximum write speed quoted by Toshiba.

In UHS-I mode the card measured up to 95.5 MB/s sequential read and 93.7 MB/s sequential write speeds.

In these tests the N502 card had read speed issues in two USB-C SanDisk card readers.

Card: Toshiba Exceria Pro N502 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

Toshiba Exceria Pro N502 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
Delkin Black Rugged Card Reader278.358252.608181.602128.2986.0801484.41.489363.68.2382011.11.576384.8
Lexar Professional Workflow SR2 UHS-II267.528241.635182.891148.8577.0161712.81.644401.49.4422305.31.687411.9
Lexar LRWM04U-7000 UHS-II Reader267.357241.052182.618134.7657.0221714.51.635399.39.4522307.61.673408.5
Hama USB 3.0 UHS-II SD Card Reader263.428238.340181.360149.1287.0691725.91.640400.39.7332376.21.673408.5
Hama USB Type-C 3.1 UHS-II SD Card Reader260.937245.338178.784145.6368.0861974.01.633398.79.9912439.31.669407.5
SanDisk Extreme Pro SD UHS-II Reader/Writer259.967235.186180.520131.5706.4481574.11.502366.88.5842095.71.592388.6
ProMaster Professional Dual Card Reader SD UHS-II256.847233.069167.772132.4887.0161712.81.517370.29.5232325.11.615394.3
Sony S1 High Speed UHS-II Reader/Writer256.219230.862176.658128.4896.2011513.91.487363.08.5172079.31.578385.3
SanDisk ImageMate Pro Multi-Card Reader/Writer255.501232.243176.481128.2776.0141468.41.498365.87.8001904.31.574384.3
Delkin Dual Slot SD UHS-II and CF Card Reader253.770230.304164.898126.1267.3071784.01.498365.89.5672335.71.608392.6
Lexar Professional Dual Slot UHS-II Card Reader253.616229.749168.035126.5647.3661798.31.514369.69.6552357.31.607392.4
Transcend Multi-Card Reader RDF9253.126229.498167.731126.3977.2571771.61.519370.99.6942366.71.614394.0
Delkin Multi-Card CFast SD UHS-II microSD Reader252.152230.102169.852123.8547.1001733.31.506367.79.5882340.81.612393.4
Verbatim USB-C Pocket Card Reader247.890221.265168.425136.0456.9451695.61.474359.89.0542210.41.539375.7
SanDisk Extreme Pro UHS-II SD Reader/Writer244.651222.179164.435122.6307.1131736.61.520371.19.4852315.71.612393.6
Kingston MobileLite G4 UHS-II243.742223.006163.731122.6917.1611748.31.535374.79.5352328.01.619395.2
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader243.543221.125169.153131.3536.5101589.41.500366.39.0432207.91.599390.4
Kingston FCR-HS4 Card Reader232.037229.800169.041123.6087.1391742.91.505367.59.4982318.91.610393.1
Transcend Multi-Card Reader RDF8 Black95.53493.65687.75474.5896.3511550.61.372334.98.7202128.91.428348.6
Delkin Travel Reader95.32592.23185.76672.4707.0391718.41.497365.59.5562333.11.530373.5
Delkin Universal Memory Card Reader94.85193.10787.91376.6916.2771532.41.384338.08.6712117.01.444352.5
Transcend SD Card Reader RDF5 Black94.78292.01387.00475.0205.4271324.91.290314.96.2941536.71.350329.5
SanDisk Extreme Pro UHS-II USB-C Reader SDDR-40939.123238.20415.166135.2116.8381669.41.489363.68.9192177.51.548377.9
SanDisk Extreme Pro SD UHS-II USB-C Reader3.329241.6915.330119.5902.686655.81.475360.02.929715.01.533374.4

The Exceria Pro N502 64GB card will be included in upcoming camera tests. The results will be added to the table below.

Toshiba Exceria Pro N502 64GB
Tested in Camera
Write Speed
(MB/s)
Nikon Coolpix P100033.2

Cameras tested with this card: Nikon Coolpix P1000

The following table contains information encoded in the SD card.

Toshiba Exceria Pro N502 64GB SD — Internal Card Information
Serial number (PSN)4249550450
Product Name (PNM)XA0E5
Product Revision7.3
Manufacturer ID (MID)0x000002
OEM ID (OID)TM
Manufacture Date (MDT)03/2018
Total capacity64,088,965,120 bytes

The internal card register shows this card was produced in March 2018. The Manufacturer ID (MID) 0x000002 and OEM ID (OID) "TM" are consistent with SD cards produced by Toshiba.