Atomos|SKU: EXSE4A240GB

Atomos 240GB SE4 2.5 Inch SSD with 555MB/s Read 530MB/s Write 3D TLC Flash

$71.99 $99.99

Last Chance! Order with Expedited Shipping to receive it by December 25.

Product highlights

  • Sequential Read Speeds Up to 555 MB/s and Write Speeds Up to 530 MB/s
  • 3D TLC NAND Flash Memory with DDR3 DRAM Cache
  • LDPC Error Correction and Static and Dynamic Wear Leveling
  • Hardware Power-Off Protection and 256-Bit AES Encryption
  • Compact 2.5 Inch / 7mm Form Factor

In the box

  • Atomos 240GB SE4 SATA III 2.5 Inch SSD with 555MB/s Read and 530MB/s Write 3D TLC Flash (Black)

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

Maximize storage in space-constrained setups with the Atomos 240GB SE4 SATA III 2.5-inch Internal SSD by Exascend. Designed for use with Atomos Ninja, Ninja Ultra, Sumo, and Shinobi series monitors via the Master Caddy II or III, this compact SSD offers high-speed performance with sequential read speeds up to 555 MB/s and write speeds up to 530 MB/s. Featuring 3D TLC flash memory, DDR3 DRAM cache, LDPC error correction, static and dynamic wear leveling, and hardware power-off protection, it ensures reliable, long-lasting performance with a 2 million-hour MTBF. Ideal for professional video recording and editing workflows where efficiency and speed matter.

High-Speed Performance

With sequential read speeds up to 555 MB/s and write speeds up to 530 MB/s, this SSD ensures rapid data access and efficient workflow, crucial for high-resolution video recording and editing.

3D TLC NAND Flash Memory

Utilizing 3D Triple-Level Cell (TLC) NAND technology, the SSD offers a balance between performance, endurance, and cost-effectiveness, suitable for demanding applications.

DDR3 DRAM Cache

Equipped with DDR3 DRAM cache, the SSD enhances data transfer speeds and system responsiveness, reducing latency during intensive tasks.

LDPC Error Correction

Low-Density Parity-Check (LDPC) error correction ensures data integrity by detecting and correcting errors, enhancing reliability during data storage and retrieval.

Wear Leveling (Static and Dynamic)

Both static and dynamic wear leveling algorithms are employed to distribute data evenly across the memory cells, promoting longevity and consistent performance over time.

Hardware Power-Off Protection

In the event of unexpected power loss, this feature safeguards against data corruption by ensuring that ongoing write operations are properly completed.

2 Million Hour MTBF (Mean Time Between Failures)

With an MTBF of 2 million hours, the SSD is designed for high reliability, making it suitable for professional environments where data integrity is paramount.

256-Bit AES Encryption

This security feature provides robust protection for sensitive data, ensuring that information stored on the SSD remains secure from unauthorized access.

Wide Operating Temperature Range

The SSD operates effectively within a temperature range of 0 degrees to 70 degrees Celsius (32 degrees to 158 degrees Fahrenheit), accommodating various environmental conditions encountered during field recording.

Compact 2.5-inch / 7mm Form Factor

Designed to fit seamlessly into Atomos devices like the Ninja, Ninja Ultra, Sumo, and Shinobi series monitors, the SSD utilizes the Master Caddy II or III for secure installation.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy.