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Ciphertex SecureNAS® CX-40KSD-SAS

Ciphertex SecureNAS® CX-40KSD-SAS

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Ciphertex SecureNAS® CX-40KSD-SAS

Intel Xeon Inside Processor


Up to 72TB Capacity in a Small Durable Package

2.5” SSDs for fail-safe operation. FIPS 140-2 (Level 3) certified Encryption Key used for locking/unlocking encrypted volumes. Hardware accelerated AES-256 bit encryption. Onboard graphics. IPMI. Two available PCIe slots which support optional 10GbE and 40GbE interfaces, PCIe SSD, graphic cards and other compatible devices. Easily connect your Ciphertex SecureNAS® to any Windows, Mac, or Linux computer via a fast USB-3 connection with the proprietary and secure Ciphertex Quick Link cable. Complete business-ready storage solution with iSCSI cross-platform file sharing. Dual 10GbE fibre LAN included, with optional copper for highly-efficient mission critical applications. Intel® Xeon® processor D-1518 4-Core, with optional 8 and 16-Core upgrades available. 32GB DDR4 memory expandable to 128GB. Secure, aluminum front door with lock and key to prevent theft and removal during operation and loss of data.

Delivering true enterprise-level performance, the SecureNAS® CX-40KHD features an Intel® Xeon® D processor and 32GB DDR4 ECC memory (expandable to 128GB) ensuring dependable reliability. With the SecureNAS® CX-Linux ZFS operating system, the CX-40KHD ensures data integrity and supports block-level inline deduplication and compression, near limitless snapshots and real-time SnapSync. The CX-40KHD helps your business achieve reliable service-level agreement performance in a vast array of use cases, including mission critical file servers, virtualization servers, collaborative video editing, data backup and restore, business continuity and disaster recovery.

The rugged SecureNAS® enclosure ensures military-grade durability and transportability.

The SecureNAS® is certified by a US military environmental test lab. Developed, designed and manufactured in the USA.

SSD Drive

2 redundant SSDs for caching and hosting the CX-Linux ZFS OS.

32-128 DDR4 ECC memory

32-128 DDR4 ECC memory detects and corrects single-bit memory errors, demonstrating high reliability for crucial applications.

Secure Transportation

Incredibly solid and rugged design delivers complete physical security during transport.

Two PCIe slots

Two PCIe slots allow for 5GbE/10GbE/25GbE/40GbE adapters, M.2 SSDs, or graphics cards to increase application performance.

Virtual Data Storage Security

Scalable storage supporting virtual machines, containerized apps, centralized storage, backup, sharing, and disaster recovery.

SecureNAS empowers

SecureNAS empowers your business. Sleep well knowing your data is totally safe and secure.

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Other Available SecureNAS® Models

Ciphertex SecureNAS® CX-40KSD

Data Sheets

Up to 30.4TB Capacity in a Small Durable Package Up to 4 hot swappable SSDs for a maximum capacity of 30.4TB. The OS is mirrored on two internal 2.5” SSDs for fail-safe...

Ciphertex SecureNAS® CX-80KSD

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Extreme Speed w/Encrypted Storage in a Small Durable Package Up to 8 hot swappable SSDs for a maximum capacity of 60.8TB. The OS is mirrored on two internal 2.5” SSDs for fail-safe...

Ciphertex SecureNAS® CX-80KHD-X

Data Sheets

Class-Leading Throughput and IOPS with Large Encrypted Tiered Storage Capacity in a Durable Package Up to 8  hot swappable 3.5” hard disk drives for a maximum capacity of 144TB. The OS is...

Ciphertex SecureNAS® CX-80KSD-X

Data Sheets

Class-Leading Throughput and IOPS with Large Encrypted Tiered Storage Capacity in a Durable Package Up to 8 hot swappable SSDs for a maximum capacity of 60.8TB. The OS is mirrored on two...

Ciphertex SecureNAS® CX-120KHSD-X

Data Sheets

Class-Leading Throughput and IOPS w/Large Encrypted Tiered Storage Up to 8 hot swappable 3.5" HDDs and 4 hot swappable 2.5" SSDs for a maximum capacity of 174.4TB. The OS is mirrored on...



Intel® Xeon® D processors deliver workload optimized performance in space and power constrained environments, from the data center to the intelligent edge. These innovative, system-on-a-chip processors support high-density, single-socket network, storage, and cloud edge computing solutions with a wide range of integrated security, network, and acceleration capabilities.


Ciphertex SecureNAS® CX-40KHD


LCD Display Screen

A clear view of server status and other information


4x 3.5-inch drive bays

Support for up to 4 enterprise-level SATA 6GB/s drives.



Ultra-high speed, leading edge connectivity


Locking Drive Access Door

Physical security


Smart Cooling

Thermal detection adjusts the fan speed based upon current cooling needs for optimal performance


Optional 10G Ethernet Ports (4)

Delivers transfer speeds up to 5Gbps.


2x PCIe Gen 3 X8 expansion slots

Supports 5GbE/ 10GbE/ 25GbE/ 40GbE network expansion cards, QM2 cards, graphics cards, or QXP PCIe SATA expansion cards for greater application potential


10 GbE Fibre

2 ports standard with SFP+ adapters


2x USB 3.0 and 3.2 Gen 1 ports

Delivers transfer speeds up to 5Gbps.



Facilitates easy network administration


Intel® Xeon® D processor

Intel® Xeon® D series processor with multi-core computing power and up to 3.2GHz speeds


Power Connector

Standard AC power


DDR4 ECC memory

Four DDR4 Long-DIMM slots supporting up to 128GB RAM.


2x 2.5” SSD bays

The CX-Linux operating system resides mirrored on 2 internal SSDs also used for caching

Hardware Specs

Drive Bay
Up to 4 hot swappable 3.5” HDDs and 2 internal SSDs – Up to 72TB RAW storage capacity

Intel® Xeon® Processor D-1518 Socket FCBGA 1667 supported CPU TDP support 35W

4 Cores (upgradable to 8 and 16 Cores), 8 Threads /6MB Cache

Up to 128GB Unbuffered ECC/non- ECC UDIMM, DDR4- 2133MHz, in 4 DIMM slots

2133/1866/1600MHz ECC DDR4 ECC RDIMM and ECC/Non-ECC UDIMM

4GB, 8GB, 16GB, 32GB


Corrects single-bit errors Detects double-bit errors (using ECC memory)

M.2 Interface: 1 SATA/PCI-E 3.0 x4

Broadcom 2116 SW controller for 16 SATA3 (6Gpbs) ports; SAS2 and SATA3

Support for Intelligent Platform Management Interface v.2.0 IPMI 2.0 with virtual media over LAN and KVM- over-LAN support

Dual LAN with 10G SFP+ from D-1500 SoC; Dual LAN with 1GbE w/ Intel® I210

Aspeed AST2400 BMC

Status/Power, USB, LAN

Power, Reset, Copy

0 – 60oC (32oF ~ 140oF)

1 x 12cm (12V DC)

12.8 lbs (w/o drives)

Height: 9.8” (243 mm) Width: 7.0” (178 mm) Depth: 9.5” (241 mm)


Intel® Xeon® processor D-1518 4-Core, with optional 8 and 16-Core expandability featuring the latest 14nm energy-efficient SoC

Dual 10GbE fibre & copper expandability for highly efficient virtualization and intensive data transmission

LCD display for real-time information and easier system management

Smart cooling fan detects internal component temperatures to automatically adjust its speed, delivering the quietest possible operation under various conditions.

Top of the line hardware
hardware for maximum reliability and performance.

Hardware accelerated AES-256 bit encryption Hardware accelerated AES-256bit encryption

Supports four DDR4 memory modules for a maximum of 128GB RAM

Built-in M.2 SATA 6GB/s slot for ultra-high speed performance while taking advantage of SSD caching.

Centralized management solution for networked computing devices

Supports centralized storage, backup, sharing, and disaster recovery

Optional 5 year warranty (3 years standard)


RAID Array Storage Capacity Table

Ciphertex Delivers Peace of Mind with Every SecureNAS®

Ciphertex is proud to lead the Data Security Industry by offering up to a 5-Year Warranty on all models of our SecureNAS® server product line, starting with a standard 3-Year Warranty.

Parts and factory labor are fully covered, along with unlimited technical support and return ground shipping from our facility. Field service warranties at various response levels are optionally available.

5 Year Warranty

Optional Features and Accessories

Ciphertex offers a vast array of features and accessories in order to ensure its seamless interoperability in any environment and any infrastructure, along with making sure your SecureNAS® meets your every need and want.

Included in the list are:

  • Additional Encryption Keys
  • 10G Copper 2 Port Interface
  • 10G Copper 4 Port Interface
  • USB-3.0 PCIe 4 Port Interface
  • SFP+ Optical Module
  • USB-3 to USB-C Adapter
  • 7ft and 20ft Quick-Link® Cables
  • SAS-2 Interface (External LTO, etc.)
  • Extra Power Cable
  • Hard Transport Case
Quick-Link Cable

Ciphertex SecureNAS® Quick-Link Cable

Employed to connect client Windows, Mac and/or Linux based computers to your Ciphertex SecureNAS® via a standard, fast USB 3 interface. Up to 10 heterogeneous computers can simultaneously access and share data on a single Ciphertex SecureNAS®. Add up to 2 optional Quad Port USB 3.0 PCIe Controllers to your...

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Hard Transport Cases for NAS

Hard Transport Cases for NAS

HARD TRANSPORT CASES FOR CIPHERTEX NAS SOLUTIONS We designed our Hard Transport Cases to completely protect Ciphertex NAS storage servers during shipment via common carrier. Ciphertex cases are hi-grade engineering. Cell-core construction helps to transport and protect the Ciphertex NAS storage server in the most extreme conditions on Earth. The...

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