RS255 Rugged 2U 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 RS255. High-end computing performance in a 2U chassis with a depth under 20” (50.8 cm) fits most any rack space.

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RS255 Rugged 2U Server
  • Light weight aluminum construction – 30-35 lbs.
  • Easily mounted– Delrin glides, fixed mount, or Jonathan® rails
  • Up to 512 GB of memory
  • Rugged 2U, rack mounted 20” depth
  • Five removable 3.5” HDD or ten removable 2.5” SSD bays
  • Expandable with five low profile slots
  • Intel® Xeon® processors
Environmental Standards
MIL-STD-810, Operational Temperature, Method 501, Procedure I/II -15°C to +55°C, -40°C to +71°C with select processors
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 12,500 ft operation, 40,000 ft transport
MIL-STD-810, Vibration, Method 514, Procedure I 4.63 GRMS, 5-2,000Hz, 60 min/axis with solid state drives and vibration kits
MIL-STD-810, Shock, Method 516, Procedures I/V 20g, 11msec—functional shock; 40g, 11msec crash hazard shock
MIL-S-901, Grade B
MIL-S-901, Grade A With solid state drives + shock kits
Electromagnetic Compatibility Standards
Some standards may require an internal kit
AC, FCC compliant
AC, MIL-STD-461, RE102, CE102 compliant
DC, MIL-STD-461, RE102, CE102 compliant
RTCA DO-160 Section 21, Category M
Mechanical
Form Factor 2U
Height 3.5" (8.89cm)
Width 17.5" (44.45cm) (accepts Crystal Slides and Jonathan rails) EIA-310 Compliant
Depth 20" (50.8cm)
Weight 30 - 35 lbs ( 13.61 - 15.88 kgs ) (content dependent)
CPU
Intel® CPU architecture options from Intel embedded long-life roadmap
Intel® Broadwell Xeon® processors
Up to 18 core options per socket (dependent on motherboard)
Expansion Slots
Five low profile slots; combinations are configuration dependent
External Bays
Option 1 Five removable SATA or SAS 2.5” or 3.5” HDD
Option 2 Ten 2.5” SATA or SAS HDDs
Option 3 (can be combined with HDD option) One CD/DVD/BD (R/W)
Memory
16 GB - 512 GB DDR4 (motherboard dependent)
Cooling
Six high speed, high volume fans; CPU temperature controlled
Mounting
Option 1 Mounted on Delrin glides
Option 2 Fixed mount, front and rear
Option 3 Jonathan rails
Power Supply
Option 1 600W 120/240VAC W/PFC, 115VAC 400Hz
Option 2 1200W 1+1 120/240VAC W/PFC, 115VAC 400Hz
Option 3 1005W 18-36VDC
Software Capability
Accepts Windows 10®, VMware®, Linux® or Windows Server 2019®
Download Spec Sheet
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