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

Lexar Professional 1066x CF 32GB CompactFlash Card

Lexar Professional 1066x 32GB CF Memory Card Front

Introduction

Lexar is well known among professional photographers. The Professional 1066x card is their latest CompactFlash offering. The card touts read speeds up to 160MB/s using the latest UDMA-7 protocol and a guaranteed continuous write speed of 65MB/s for video applications. It is available in a wide range of storage capacities: 16, 32, 64, 128 and 256GB.

Performance

In memory card readers, the Lexar 1066x exceeded its advertised speeds. It measured 162.3 MB/s sequential read in the Lexar CFR-1 card reader. Write speed was equally impressive, measuring 151.8 MB/s sequential write, also in the Lexar CFR1. The highest write speeds were reached under Windows 8.1, earlier tests under Windows 7 did not yield write speeds as fast (115MB/s maximum).

Card: Lexar Professional 1066x 32GB
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 32GB
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 CFR1162.268151.792109.82642.9469.8432403.01.322322.812.4143030.81.512369.1
Transcend Multi-Card Reader RDF9160.505154.817147.56546.50011.2132737.51.341327.415.4963783.11.568382.8
SanDisk ImageMate All-In-One USB 3.0160.284136.46270.45546.3145.4631333.81.182288.55.9201445.31.319321.9
Kingston FCR-HS4 Card Reader159.990153.458147.39440.40111.3182763.21.342327.715.4923782.31.611393.3
Lexar Professional Dual Slot UHS-II Card Reader159.698150.983147.51643.83111.2332742.61.356331.115.4703776.81.594389.2
Lexar Professional Dual Slot Reader156.832139.161147.56542.24010.3822534.61.351329.813.2243228.41.554379.3
Transcend Multi-Card Reader RDF8 Black156.714139.179147.61340.46010.4442549.81.330324.613.2873243.91.537375.1
Delkin Universal Memory Card Reader154.066139.290145.32349.40510.1412475.91.413344.913.3953270.41.630397.9
Kingston Multi-Card Reader FCR-HS3140.976117.56729.41542.07810.5932586.21.331324.913.6003320.21.537375.2

In cameras, the Lexar Professional 1066x outperformed every other CF card in our tests. In the Canon 7D Mark II the card measured 102.9 MB/s write speed. In the Nikon D810 it averaged 98.6MB/s write speed. While in the Nikon D800 it averaged 71.1MB/s. If you desire the fastest CF card for your camera, the Lexar 1066x is the one.

Lexar Professional 1066x 32GB
Tested in Camera
Write Speed
(MB/s)
Canon 5D Mark IV112.0
Canon 7D Mark II102.9
Canon 5Ds101.6
Nikon D81098.6
Canon 1D X96.8
Nikon D80071.1

Cameras tested with this card: Canon 1D X, Canon 5D Mark IV, Canon 5Ds, Canon 7D Mark II, Nikon D810, Nikon D800

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 32GB CF
Serial number41323412311322860636
NameLEXAR ATA FLASH CARD
Firmware20131216
Highest DMA supportedUDMA7
Total capacity32,010,854,400 bytes
External Card Identifiers
Engraved on end of card3228632GBNMAC2614DEF766

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$39.79$31.00$31.00
Lexar Professional 1066x CF32$1.02$45.14$38.95$32.66
Lexar Professional 1066x CF64$0.94$70.78$59.95$59.95
Lexar Professional 1066x CF128$0.86$131.75$109.95$109.95
Lexar Professional 1066x CF256$0.90$230.00$244.95$244.95