| Criteria |
Commodity Computer |
Crystal Industrial Computer |
Crystal Rugged Series |
| Product Lifecycle |
6-9 months |
3+ years |
3+ years |
| Warranty |
One year standard |
Three years standard |
Three years standard |
| Mounting Options |
Taple-top, desk-top, tower, rack-mount |
Rack-mount, panel-mount, wall-mount, secure rack-mount, desk-mount, mobile, desk |
Rack-mount, transit case, vehicle-mount, aircraft, ARINC formats, custom |
| Construction |
20-gauge or thinner steel, plastic, aluminum |
At least 18-gauge heavy duty solid steel construction with either durable baked on powder coat or clear zinc finishes, aluminum options |
Avionics grade structural aluminum construction with chemical conversion coatings or powder coat for superior corrosion resistance |
| System Design |
Designed for benign environment, inflexible |
Engineered to meet application profile |
MIL-STD-810F and MIL-STD-461E design and construction meets most stringent requirements |
| Fans |
Sleeve bearing |
Ball bearing air movers |
Hi-Volume, hi-static pressure ball bearing air movers designed to +55 °C ambient |
| Storage |
Commodity disks |
Many options to meet application requirements |
FB, DDR2, EEC RAM available |
| RAM |
Dependent on system |
ECC RAM offered on most models |
ECC RAM offered on most models |
| Power Supplies |
AC |
110/220 AC, 28VDC, 48VDC |
28VDC, 48VDC, 120V AC, 240V AC |
| Temperature |
Data center environment |
Characterized at elevated temperatures 0°C to 50°C (32°F to 122°F) |
Characterized at elevated temperatures -20°C to 55°C (-4°F to 131°F) |
| Corrosion Resistance |
Unknown |
Corrosion-resistant passive and critical components to meet application profile |
Conversion coated aluminum, stainless steel, and powder coated finishes |
| Certifications |
CE, FCC Class B, UL (office qualification) |
CE, EN 55024 Noise Immunity, EN 55022 Emissions, UL 60950, certain models NEBS Level 3, and RTCA/DO-160D |
MIL-STD-167, MIL-STD-461 and MIL-STD-810 |
| Shock Testing |
Not rated |
Tailored to application profile |
MIL-STD-901D, Grade A or B |
| Vibration |
Not rated |
Tailored to application profile |
MIL-STD-810D Grades 2-6 |
| Washdown |
Not rated |
Consultation available |
Conformal coating option |
| Emissions |
Meets regulatory requirements |
Meets regulatory requirements and application profile |
ROHS, WEEE Compliant |
