Camera Memory Speed
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Lexar Professional 1066x CF 64GB CompactFlash Card Review

Lexar Professional 1066x 64GB CF Memory Card

Introduction

The 1066x is the fastest CompactFlash card in the Lexar Professional memory card line. The card supports UDMA 7 protocol, enabling it to reach read speeds up to 160MB/s and 155MB/s write speed according to Lexar. The card features the Video Performance Guarantee logo VPG-65, which means the card is guaranteed to provide a write speed of 65MB/s for recording continuous video streams. The Professional 1066x CF cards are available in 16, 32, 64, 128 and 256GB capacities. In this review we test the 64GB size.

Performance

Lexar 1066x 64GB card was tested in a variety of USB 3.0 card readers. It exceeded its advertised read speed, measuring 162.6 MB/s sequential read in the Lexar Professional Workflow CFR-1 card reader. Write speed in the same reader measured 151.6 MB/s.

Card: Lexar Professional 1066x 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

Lexar Professional 1066x 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 CFR1162.620151.616110.17444.0299.5962342.81.294315.911.8742899.01.516370.0
Lexar Professional Dual Slot UHS-II Card Reader159.966152.056146.38644.22910.7022612.91.304318.514.6593578.81.573384.0
SanDisk ImageMate All-In-One USB 3.0159.917135.84470.42053.5165.3141297.41.138277.75.7961415.21.312320.3
Kingston FCR-HS4 Card Reader159.746152.232147.32144.02910.7402622.11.301317.714.6203569.41.578385.1
Transcend Multi-Card Reader RDF9159.503151.946146.04644.17210.6562601.61.289314.814.6373573.51.564381.9
Lexar Professional Dual Slot Reader157.491139.013148.10442.22710.0722459.11.318321.812.6053077.31.540376.1
Transcend Multi-Card Reader RDF8 Black157.397138.976147.93242.10510.0822461.51.307319.212.5993076.01.546377.3
Delkin Universal Memory Card Reader155.207137.051145.44343.0319.6572357.61.362332.412.7103103.01.578385.2
Kingston Multi-Card Reader FCR-HS3140.957117.47429.15645.73010.2212495.41.306318.813.0513186.31.559380.5

The card will be tested in a variety of cameras. When available, the results will appear below.

Lexar Professional 1066x 64GB
Tested in Camera
Write Speed
(MB/s)
Canon 5D Mark IV111.1
Canon 5Ds101.5
Canon 1D X96.9

Cameras tested with this card: Canon 1D X, Canon 5D Mark IV, Canon 5Ds

Lexar Professional series memory cards have a limited lifetime warranty.

The following table contains information about the tested card. Card information including a unique serial number, name (often a model number) and firmware version is encoded in the card. Cards are often engraved or printed with an identifier on the outside, but it is often a batch or lot number and not an individual serial number.

Internal Card Information: Lexar Professional 1066x 64GB CF
Serial number41643424011322872335
NameLEXAR ATA FLASH CARD
Firmware20131216
Highest DMA supportedUDMA7
Total capacity64,030,244,864 bytes
External Card Identifiers
Engraved on end of card3228764GBNMAC4214DEF766

Available sizes and prices

Compare prices on the Lexar Professional 1066x card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
Lexar Professional 1066x CF16$1.94$69.98Check price$31.00
Lexar Professional 1066x CF32$1.02$59.00Check price$32.66
Lexar Professional 1066x CF64$0.94$112.19Check price$59.95
Lexar Professional 1066x CF128$0.86$188.86Check price$109.95
Lexar Professional 1066x CF256$0.96$297.32Check price$244.95