A-TECH 4GB KIT 2x 2GB Dell Studio 1435 15 1535 15 1536 15 1537 15 1555 15 1535 1536 1537 1555 17 1737 17 SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine Brand 4GB KIT (2 x 2GB) SO-DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Studio. (See Compatibility List Below)