RS4104 Rugged 4U Server

Field tested, failsafe and long life performance in extreme conditions. As processing performance continues to improve, Crystal Group is dedicated to minimize the SWaP envelope of the RS4104. High-end computing performance in a 4U chassis with a depth of 20″ (51.1cm) fits most any rack space.


RS4104 Rugged 4U Server
• Aluminum construction – 65 lbs.
• Easily mounted – Delrin glides, fixed mount, or Jonathan® rails
• Up to 512 GB of memory
• Rugged 4U, rack mounted 20″ depth
• 1780W N+1 AC power supply
• Versatility with four removable 3.5” HDDs or eight 2.5” SSD SATA or SAS bays
• GPGPU ready
• Expandable with ten PCIe slots
• Intel® Xeon® Scalable processors
Please contact us to receive the reports, guides and drawings that best fit your requirements.


Environmental Standards
MIL-STD-810, Operational Temperature, Method 501/502 Procedure I/II

-15°C to +55°C

MIL-STD-810, Storage, Method 501, Procedure I/II

-55°C to +85°C

MIL-STD-810, Humidity, Method 507, Procedure II

240 hours with humidity kit

MIL-STD-810, Altitude, Method 500

12,500ft operation, 40,000ft transport

MIL-STD-810, Vibration, Method 514, Procedure I

4.63GRMS, 5-2,000Hz, 60 min/axis with solid state drives + vibration kits

MIL-S-901, Grade B
MIL-S-901, Grade A

With solid state drives + shock kits

Form Factor
7.0" (17.78cm)
17.5" (44.45cm) EIA-310 Rack Compliant
20" (50.8cm)
65 lbs ( 29.48 kgs )
Intel® CPU architecture options from Intel embedded long-life roadmap
Intel® Xeon® Scalable processors

6, 8, 10, 12, 14, 18 Core options from the E5-2600 V4 family

Expansion Slots
Option 1

Five PCIe 3.0 x 16 + One PCIe 3.0 x8 slots with X10DRG-Q

Option 2

Ten PCIe 3.0 x8 slots with X10DRX

External Bays
Option 1

Six removable SATA or SAS 2.5” or 3.5” HDD

Option 2

Rugged Drive pack (RDp) offer up to twelve 2.5” HDDs

Option 3 (Can be combined with HDD option)


32 GB - 512 GB DDR4

Fifteen high speed, high volume fans; CPU temperature controlled

Jonathan rails
Power Supply
1780W 120/240VAC 50/60Hz w/PFC, N+1 redundant, 115VAC 400Hz
System Board
Option 1


Option 2


Software Compatibility
Accepts Windows 10®, Windows Server 2012®, VMware®, Linux® or Windows Server 2016®
Export Compliance
ECCN: 5A992.a | Classification is dependent on configuration and is subject to change. Please contact your Program Manager to receive the classification for your product.