EDSFF E3 Form Factor

E3 - Enterprise Servers and Storage

E3.S and E3.L size and dimension E3.S and E3.L size and dimension
Type Thickness (mm) Width (mm) Length (mm) Max Power (W)
E3.S 7.5 76 112.75 25
E3.S 2T 16.8 40
E3.L 7.5 142.2
E3.L 2T 16.8 70

PCIe® Lanes per Connector

4, 8, 16, 16+ PCIe lanes per connector diagram

E3 Max Power

E3 SSD rendering with max power values

Engineering Specifications from SNIA

E3 Mechanical/Electrical Specification SFF-TA-1008 A new window will open.
E3 Thermal Characterization Specification SFF-TA-1023 A new window will open.
EDSFF Connector Specification SFF-TA-1002 A new window will open.
EDSFF Connector Pinout (PCIe) SFF-TA-1009 A new window will open.

KIOXIA EDSFF E3 Offerings

Systems Supporting EDSFF E3.S Form Factor SSDs

While E3 form factors began with a focus on traditional enterprise server and storage use cases, hyperscalers are evaluating E3 for use in scale-out environments. Many server, storage and SSD companies with 2.5-inch storage solutions are aligned with the E3 Family. Initial development and demonstration systems in support of the E3 Family of form factors are well underway with early full function development vehicles as shown.

Dell PowerEdge™ Servers A new window will open.
KIOXIA SSDs in ProLiant Servers A new window will open.
Supermicro® Servers A new window will open.

Learn and Evaluate

Press Releases

Kioxia Announces First Enterprise NVMe™ SSD Built with 8th Generation BiCS FLASH™ TLC-Based Flash Memory Technology
Kioxia Broadens 8th Generation BiCS FLASH™ SSD Portfolio with High-Performance Data Center NVMe™ SSDs to Maximize GPU Utilization in AI and HPC (High-performance computing) Workloads
Scale AI Without Limits: KIOXIA Showcases Breakthrough Flash Storage Solutions at FMS 2025
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  • Other company names, product names, and service names may be trademarks of third-party companies.
  • All rights reserved. Information, including product specifications, content of services, and contact information is believed to be accurate as of October 2025, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable KIOXIA product specifications.
     

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