Add-On Computer Peripherals (ACP) has been the exclusive supplier to Ingram Micro's Memory Upgrades program since 1999. All ACP memory is built to JEDEC Standards, to meet or exceed the Tier 1 OEM's factory requirements. All our memory comes with a Lifetime warranty, and is 100% guaranteed compatible for the systems it is intended for. (Actual part shipped: AA1333D3S9K2/8G)