RS121S16 Rugged 1U Server

Field tested, fail-safe and long-life performance in extreme conditions. As processing performance continues to improve, Crystal Group is dedicated to minimize the SWaP envelope of the RS121S16. High-end computing performance in a 1U chassis with a depth of 16” (40 cm) fits most any rack space. Crystal Group Rugged Servers provide high-performance computing and high-capacity data storage in a rugged, all-aluminum package able to withstand the roughest terrains and toughest applications. Crystal Group’s highly customizable Rugged Servers are used by the U.S. Armed Forces, Foreign Military, Power Distribution, Autonomous Vehicles, Oil & Gas industry, and others for everything from communications and networking to weapons control, sensor and surveillance, and unmanned aircraft systems.

RS121S16 Rugged 1U Server
  • Light weight aluminum construction – 7 to 15 lbs.
  • Full processor performance to +55°C
  • Rugged 1U, rack mounted 16” depth
  • Versatility with two or three removable 2.5″ sleds
  • Expandable with PCIe x8 slot
  • Intel® Xeon® D series processors
Environmental Standards
MIL-STD-810, Operational Temperature, Method 501/502 Procedure I/II -30°C to +50°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 2 GRMS, 5-2000Hz, 60 min/axis with solid state drives
MIL-STD-810, Shock, Method 516, Procedures I/V 20g, 11msec--functional shock; 40g, 11msec crash hazard shock
MIL-S-901, Grade B
Electromagnetic Compatibility Standards
AC, FCC Compliant
AC, RE102, CE102 compliant
Form Factor 1U
Height 1.75" (4.45cm)
Width 16.5" (41.91cm)
Depth 16" (40.64cm)
Weight 7-15 lbs (3.18-6.8 kgs)
Intel® CPU architecture options from Intel embedded long-life roadmap
Intel® Xeon® D-1500 series processor
Expansion Slots
Two full height half-length PCIe x8 slots
External Bays
Option 1 Up to three removable SATA SSDs or HDDs, 7mm height
Option 2 Up to two removable SAS SSDs or HDDs, up to 15mm height
Option 3 1x M.2 SATA/PCIe 3.0×4, non-removable (can exist with any other option)
Option 4 Optical drive
Up to 128 GB DDR4
Thermally controlled high-volume fans
Option 1 Mounted on Crystal glide rails
Option 2 Fixed mount, front and rear
Power Supply
460W 120/240VAC 50/60Hz w/PFC, 115VAC 400Hz
System Board
Xeon D-1587, up to 128GB DDR4 DIMM, 6x SATA 3, 2x 10GBE, VGA graphics, IPMI, 2x USB 3.0 rear, 1x USB 2.0 front
Software Capability
Accepts Windows 10® or Linux®
Download Spec Sheet