http://www.geilusa.com/proddetail.asp?linenumber=24
actually I take some shot for the memory, the code is "GL1GB4000DC". It can be easily recognized in my photos, I also bought them from Bells, so i believe yours are the same ones with mine.
GeIL Ultra Platinum PC4000 500MHz Dual Channel DDR Kit
Available only in 512MB (2X256MB) and 1GB (2X512MB) Dual Channel DDR Kits.
184pin, Non-ECC, Un-buffered, high performance DDR memory modules.
GeIL 3.5ns 32x8 Density DDR Chip.
6 Layers Ultra Low Noises Shielded PCB with Gold 30u" Plating.
Optimized SPD for Intel 875/865 chipset Dual Channel DDR motherboards.
Platinum Copper Heat Spreader.
Lifetime Warranty .
CAS 2.5 7-4-4 @ DDR500MHz PC4000
2.6V-3.1V
Retail package with clear acrylic case.
Newest innovation design Temperature Thermometers allows users to monitor the temperature of their memory modules.