Arch Memory 4 GB 240-Pin DDR3 UDIMM 1066MHz Interchangeable with KVR1066D3N7/4G RAM Anti-Static Gloves Included 1 x 4GB DDR3-1066 PC3-8500 240Pin UDIMM 1.5v CL7 Non-ECC Unbuffered 1066MHz Arch Memory is a Registered Trademark of Arch Computer, LLC Lifetime Replacement Warranty Included Anti-Static Gloves included for protection during Installation