desktop RAM module made by Kingston Technology.

This is a desktop RAM module made by Kingston Technology.

Details from the label:

• Model: KTD-DM8400B/2G

• Capacity: 2GB

• Voltage: 1.8V

• Form factor: DIMM (desktop memory)

What that model number means:

• DM8400 typically indicates DDR2-800 (PC2-6400)

• 2G = 2 Gigabytes

• 1.8V confirms its DDR2, since DDR2 standard voltage is 1.8V

Summary

2GB DDR2
800 MHz (PC2-6400)
Desktop (240-pin DIMM)
Not compatible with DDR3, DDR4, or DDR5 slots