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Lexar 640GB Professional GOLD CFexpress 4.0 Type A Memory Card

BH #LE640CFTACG • MFR #LCAGOLD640G-RNENG
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Lexar 640GB Professional GOLD CFexpress 4.0 Type A Memory Card
Key Features
  • 640GB Storage Capacity
  • PCIe 4.0 Bus
  • Max Read Speed: 1800 MB/s
  • Max Write Speed: 1650 MB/s
Experience the CFexpress 4.0 advantage and capture 8K raw cinema-quality video with the 640GB Professional GOLD CFexpress 4.0 Type A Memory Card from Lexar, which delivers read speeds of up to 1800 MB/s, write speeds of up to 1850 MB/s, and sustained write speeds of 1400 MB/s, all of which help to expedite post-production. Additionally, thanks to its VPG-400 rating, write speeds are guaranteed not to drop below 400 MB/s. Also featured is 8-point protection against temperatures, vibration, wear-out, dust and water (IP68), drops, shocks, compression, and bends. Protection is provided by a limited lifetime warranty and data recovery software.
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Lexar 640GB CFexpress Type A Overview

Experience the CFexpress 4.0 advantage and capture 8K raw cinema-quality video with the 640GB Professional GOLD CFexpress 4.0 Type A Memory Card from Lexar, which delivers read speeds of up to 1800 MB/s, write speeds of up to 1850 MB/s, and sustained write speeds of 1400 MB/s, all of which help to expedite post-production. Additionally, thanks to its VPG-400 rating, write speeds are guaranteed not to drop below 400 MB/s. Also featured is 8-point protection against temperatures, vibration, wear-out, dust and water (IP68), drops, shocks, compression, and bends. Protection is provided by a limited lifetime warranty and data recovery software.

Impressive Pro Performance
PCIe 4.0 technology delivers max read speeds of 1800 MB/s and max write speeds of 1650 MB/s to capture vibrant, fast-action shots and then power through post-production.
Stunning Sustained Write Speeds
1400 MB/s sustained write speeds let you shoot commercial-quality video with no dropped frames and capture stutter-free burst-mode photos, shot after shot. Plus, the card is future-proofed to capture 8K raw video as well.
Accelerate Your Workflow by 2x
Paired with the Lexar Professional Workflow CFexpress 4.0 Type A Card Reader (sold separately), this card enables you to dramatically expedite your post-production process to twice as fast as CFexpress 2.0 cards.
Built to Withstand Harsh Environments
The Lexar Professional GOLD CFexpress 4.0 Type A Card features a rugged design that istemperature-proof, vibration-resistant, 12,000x wear-out resistant, dust and waterproof(IP68), 16.4' drop-proof, shock-resistant, bend-resistant, and 150N pressure-proof.
More Room for Your Creativity
With a massive capacity of up to 640GB, you can experience unrivaled performance that lets you shoot and record continuous, seamless, 8K raw video, resulting in a more efficient workflow.
Lexar Has You Covered
Lexar's Recovery Tool helps you recover accidentally deleted and formatted pictures or video files and a limited lifetime warranty provides extra peace of mind.
Rigorously Tested
All Lexar products undergo extensive testing in the Lexar Quality Labs, facilities with thousands of different cameras and digital devices to ensure performance, quality, compatibility, and reliability.
UPC: 843367134014

Lexar 640GB CFexpress Type A Specs

Quantity
1
Card Type
CFexpress Type A
Storage Capacity
640 GB
Bus Type
PCI-Express 4.0
Read Speed
Maximum: 1800 MB/s
Write Speed
Maximum: 1650 MB/s
Sustained: 1400 MB/s
Video Performance Guarantee
VPG- 400
Operating Conditions
10 to 161°F / -12 to 72°C 
Storage Conditions
-13 to 185°F / -25 to 85°C 
Packaging Info
Package Weight
0.065 lb
Box Dimensions (LxWxH)
5.3 x 4.3 x 0.6"

Lexar 640GB CFexpress Type A Reviews

Perf

By Bryan
Rated 5 out of 5
Date: 2025-04-10

Had the 320gig for a while before getting a TB. Lexar makes great cards and I think they're the underdog against SanDisk, which feels like they've gone downhill. Performs just as good as the Sony cards.

Wow the transfer speeds

By Guntas
Rated 5 out of 5
Date: 2024-12-17

The transfer speeds we get in this price is literally unbelievable v90 512 GB SD card cost the same and the speeds are literally nothing in front of this

See any errors on this page?

Is the card compatible with Sony S7RV

Is the card compatible with Sony S7RV
Asked by: ¿¿¿¿
Yes, the Lexar 640GB Professional GOLD CFexpress 4.0 Type A Memory Card is compatible with the Sony A7RV. However, it will be limited to CFexpress 2.0 speeds in camera.
Answered by: Stephen M
Date published: 2024-12-03

What type of memory does it have SLC, MLC or TLC?

What type of memory does it have SLC, MLC or TLC?
Asked by: Yuri
According to the manufacturer, the Lexar 640GB Professional GOLD CFexpress 4.0 Type A Memory Card uses TLC memory.
Answered by: Dan W
Date published: 2024-12-02

Would this work for Sony FX3?

Would this work for Sony FX3?
Asked by: Sujan Reddy
Yes, the Lexar 640GB Professional GOLD CFexpress 4.0 Type A Memory Card is compatible with the Sony FX3 Full-Frame Cinema Camera.
Answered by: John W
Date published: 2025-05-27

Will Sony MRW-G2 CFexpress reader work with this ...

Will Sony MRW-G2 CFexpress reader work with this card?
Asked by: Luka
The Sony MRW-G2 CFexpress Type A/SD Memory Card Reader, BH #SOMRWG2, is a compatible reader for the Lexar 1TB Professional GOLD CFexpress 4.0 Type A Memory Card, BH #LE1TCF4TACG.
Answered by: Cindy H
Date published: 2025-06-09

Will this card be appropriate for recording high ...

Will this card be appropriate for recording high quality 4K footage with Sony FX30?
Asked by: Marek
Yes, the Lexar 1TB Professional GOLD CFexpress 4.0 Type A Memory Card is a great choice for recording high-quality 4K footage on a Sony FX30 Digital Cinema Camera. 
Answered by: Idris A
Date published: 2024-12-09
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