Memory is one of the most important components in your computer. It is essential for the success of your computer as it allows information to be stored and retrieved at a lightning fast rate.?IBM 90Y3159?is the perfect addition to your device, giving you a boost to your memory, increasing speed and productivity. A stick of?IBM 90Y3159 memory?is?16GB?of?PC3-12800R DDR3-1600R SDRAM?memory.This?IBM 90Y3159 memory?has been removed from a working unit, tested for complete functionality by our expert in-house?IBM?Certified Technician, and is ready to ship today!Purchase with confidence, as the photos above represent the exact quality of your items, which are bundled with our?90 Day Warranty.*Please note, we have additional IBM 90Y3159 memory sticks in stock; feel free to send a message and we will update the quantity to suite your specific needs.*Thank you for choosing AltaTech for all of your lightning-fast IT needs!