4GB 4x 1GB Advantech SQR-SD2I-1G667SN DDR2-667 Industrial Grade SO-DIMM RAM
You are buying four (4) used but fully tested Advantech 1GB DDR2 SO-DIMM modules – Total 4GB.
Condition: Used – Tested and working 100%. Excellent physical condition with clean gold contacts (see actual photos of the exact modules you will receive). Pulled from working equipment.
Key Specifications:

• Capacity: 1GB per module – Total 4GB
• Type: DDR2 SO-DIMM 200-pin
• Speed: 667 MHz (PC2-5300 / DDR2-667)
• Industrial Grade – Wide temperature range: -40°C to +85°C
• Voltage: 1.8V
• Country of Origin: Taiwan
• Part Numbers: SQR-SD2I-1G667SN / E67868-0003
• Brand: Advantech SQRAM

These are genuine Advantech industrial-grade memory modules built for harsh environments and 24/7 reliability. Perfect for industrial PCs, Advantech panel PCs, embedded systems, automation equipment, medical devices, and other legacy DDR2-based systems that require stable, wide-temperature memory.
Features:

• Extended temperature operation (-40°C to +85°C)
• High reliability for mission-critical applications
• 30μ" gold finger plating for superior contact reliability
• RoHS compliant
• Fully tested and guaranteed to work

Shipping: Free Shipping within the United States with tracking.
Note: This is industrial-grade memory, not standard consumer laptop RAM. Please confirm compatibility with your motherboard or device before purchasing.
Great value lot of 4 matched modules. Limited quantity – Buy It Now!