ProtecD@R High Speed Encryptor (KG-540B)

High Speed infiniBand Data-at-Rest Security for Ground-based Applications

The ProtecD@R® High Speed Encryptor (KG-540B) protects the Data-at-Rest (DAR) on InfiniBand-based storage networks. Ideal for high-performance computing and enterprise data centers, the ProtecD@R High Speed encryptor provides, low-latency security for large data files at 32 Gb/s throughput speeds. The KG-540B is designed for ground-based applications. Ideal for high bandwidth applications the ProtecD@R High Speed encryptor can be used to secure large image, data and video files, for a variety of applications such as:

  • High Performance & Supercomputing Facilities
  • High Definition Video Servers
  • NSA certified for Top Secret and below

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  • NSA certified for Top Secret and below
  • 32 Gb/s aggregate throughput
  • Ideal for securing large data files at high speeds
  • Crypto modernization compliant
  • Cryptographic key erasure quickly renders stored data unreadable
  • Secure software upgrade capability
  • Field tamper recoverable

ProtecD@R High Speed (KG-540B) Data Sheet View Document
Size 7" H x 17.50" W x 24" D
(4U) 19" rack mountable
41.8 lbs
Power 110/220 VAC
325 watts
Environmental Operating Temperature: 4°C to 40°C (40°F to 104°F)
Non-Operating Temperature: -40°C to 71°C (-40°F to 160°F)
Interfaces Four ciphertext (BLACK) 4x DDR interfaces and four plaintext (RED) 4x DDR interfaces
50 µm multimode (850 nm) Short Reach fiber optics using MIL-DTL-38999 connectors
RJ-45 connectors for Local Console and Remote Management Ethernet
Key Fill Black key fill via DTD and SKL
Remote Management via SNMPv3 Configure settings
View status/statistics
Collect audit logs for querying and archiving
Weight 27.2 oz. (0.78 Kg) w/o battery (typical)
Reliability 33,460 hour MIL-HDBK 217 calculated Mean Time Between Failure (MTBF) at 30°C in a ground benign environment

24/7 Customer Support

You are never alone when you partner with General Dynamics to secure your critical information. With over 100,000 deployed NSA-certified encryptors worldwide, General Dynamics is committed to support our customers worldwide with a 24/7 technical Help Desk.

Help Desk — Contact our technical Help Desk 24 hours a day / 7 days a week:

Our Infosec support page is designed to make it easy for customers to access the information they need. Please visit for the following support features: 

  • Product Update Notifications — Sign up to receive technical bulletins, upgrade notices and other important product information automatically via E-mail
  • Warranty Status — Enter the serial number of your encryption device to find out the date your warranty or maintenance expires
  • Depot Status— Track your encryptor through the depot
  • Order Status— Track the status of your orders


 The Growing Need to Protect Classified Data at Rest DAR Whitepaper Cover

The Growing Need To Protect Classified Data At Rest Whitepaper

Discover how high assurance encryption can meet your mission needs and reduce operational risk.


To see our pricing list, please contact us.