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

Many companies offer E3 form factor SSDs for their enterprise servers and storage solutions. Figure 1 shows an example of a storage server supporting the E3.S form factor.

Figure 1: Example of the E3.S form factor in a storage system

Learn and Evaluate

KIOXIA EDSFF Infographic (PDF : 426KB) PDF will open in a new window. UPDATED
Introducing the EDSFF E3 Family of Form Factors White Paper (PDF : 540KB) PDF will open in a new window.
KIOXIA CM9-V E3.S Series Product Brief (PDF : 104KB) PDF will open in a new window. NEW
KIOXIA CM9-R E3.S Series Product Brief (PDF : 102KB) PDF will open in a new window. NEW
KIOXIA CD9P-V E3.S Series Product Brief (PDF : 104KB) PDF will open in a new window. NEW
KIOXIA CD9P-R E3.S Series Product Brief (PDF : 104KB) PDF will open in a new window. NEW

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 workloads
KIOXIA showcases breakthrough flash storage solutions at FMS 2025
  • Product image may represent a design model.
  • The following trademarks, service and/or company names – NVMe, NVM Express, Inc., PCIe, PCI Express, PCI-SIG – are not applied, registered, created and/or owned by KIOXIA Europe GmbH or by affiliated KIOXIA group companies. However, they may be applied, registered, created and/or owned by third parties in various jurisdictions and therefore protected against unauthorized use.
  • 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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