Optimized for professional photography and cinematography, the 512GB Essential Series CFexpress Type B Memory Card from Exascend is an enterprise-grade card with patented technologies to help ensure stability and eliminate dropped frames. This card features a storage capacity of 512GB, 3D TLC flash memory, and utilizes the PCIe 3.0 / NVMe 1.4 interface to achieve maximum sequential and sustained read speeds of 1800 MB/s, maximum sequential write speeds of 1700 MB/s, and maximum sustained write speeds of 1400 MB/s. This card also delivers an MTBF of 2 million hours, a Total Bytes Written (TBW) rating of 300TB, an Unrecoverable Bit Error Rate (UBER) of 1 sector per 10¹⁷ bits read, and is resistant to shock and vibration, as well as temperatures ranging from 14 to 158°F. Furthermore, there is integrated data protection, such as AES 256-bit encryption, data retention, firmware encryption, RAID ECC, TCG Opal, multi-image firmware backup, and more.

512GB Storage Capacity    PCIe 3.0 / NVMe 1.2 Interface    Max Read Speed: 1800 MB/s    Max Write Speed: 1700 MB/s    Shock, Vibration, and Temperature Proof    2 Million Hour MTBF    Endurance (TBW): 300TB

The CFE4 series unlocks the true performance of CFexpress, revealing enterprise-level performance in a minuscule card format.

It's finally time to forget about frame drops. With Exascend's stability-enhancing technologies, stable top performance is finally here.

Exascend's CFexpress cards are built to last and provide top-level performance in even the most demanding environments.

With Exascend's unique customization services, they tune their cards to make the most of your applications.

Related Questions and Answers

Q: 1. What card reader is required / recommended for this card?

A: The ProGrade Digital CFexpress Type B & UHS-II SDXC Dual-Slot USB 3.2 Gen 2 Card Reader, BH #PRRWCFXSDANA, is suitable for the ProGrade Digital 1TB CFexpress 4.0 Type B Gold Memory Card (2-Pack).

Q: 2. Does it work with Sony a7r iv camera?

A: Unfortunately, the Exascend 240GB Essential Series CFexpress Type A Memory Card (2-Pack) is not compatible with the Sony A7riv. That camera only accepts SD cards.

Q: 3. Although this card is fully compatible with the Nikon Z9, what is sustained write speed guaranteed for using in current Z9 ?

A: The ProGrade Digital 512GB CFexpress 4.0 Type B Gold Memory Card (2-Pack) with the Nikon Z9 has more of a 2700 MB/S sustained speed according to the manufacture at this time.

Q: 4. Can 512GB support Nikon Z9 N-RAW 12-bit 60fps? Thank you.

A: Unfortunately, no, the OWC 512GB Atlas Pro CFexpress Type B Memory Card would not be able to support the Nikon Z9 N-RAW 12-bit 60 fps write speed. It appears the OWC Atlas Pro Ultra CFexpress Type B memory card would be needed. Unfortunately, as of the date/time of this reply, we do not carry the OWC Atlas Pro Ultra CFexpress Type B memory cards in our inventory. The next most economical option that would work for your usage needs would be the Angelbird 512GB AV PRO CFexpress 2.0 Type B SE Memory Card, B&H # ANVP512CFXSE.

Q: 5. Are these compatible with the Sony Burano?

A: Yes, the ProGrade Digital 2TB CFexpress 4.0 Type B Gold Memory Card (2-Pack) are compatible with the Sony BURANO 8K Digital Motion Picture Camera.

Q: 6. Can I use this with Nikon Z7 II?

A: Yes, the ProGrade Digital 512GB CFexpress 4.0 Type B Gold Memory Card would be compatible for use with the Nikon Z7 II Mirrorless Camera.

Q: 7. How can a 10Gb/s reader achieve 1700MB/s. Surely, that is impossible?

A: The Exascend CFexpress Type B Card Reader can transfer up to 10gb/s which is faster than 1700mb/s. But with how usb-c is and speed it will be no faster than about 1700mb/s. GB is (gigabytes. and GB is Megabits.

Q: 8. Is this card VPG400 or VPG800 certified? Could you please check with the Manufacturer?

A: The manufacturer states it has a minimum sustained write speed of 2400MB/s. This is above what is VPG800.

Q: 9. What are the TBW specifications for these cards? Their performance and pricing is otherwise spectacular.

A: OWC 2TB Atlas Pro CFexpress Type B Memory Card endurance is 1600TB total bytes written (TBW), equal to 877 GB per day for 5 years.

Q: 10. Will this work with the canon R5 for 8k raw or 4k 120fps ?

A: It will definitely do 4K 120p but it might not write fast enough for 8K RAW. You'll want a faster speed card like a Sony/Silver Colored Prograde CFexpress card.