Sub: 647650-071 Random Access Memory (or just Memory) serves as temporary information storage for a processor. The more high-quality RAM your device has, the easier it is to do more and more complex calculations quickly, and the smoother it runs. A stick of HP 664690??001 Memory (647650??071) is an excellent choice for any device that uses 2Rx4 Registered ECC Low Voltage DDR3 DIMM memory. With 8?GB of PC3L??10600R DDR3??1333 Memory, this HP 664690??001 DIMM is sure to boost your system’s speed and productivity. This HP 664690??001 Memory has been removed from a working unit, tested for complete functionality by our expert in-house HP-Certified Technician, and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our 90 Day Warranty. *Please note, we have additional Refurbished HP Server Memory in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning-fast IT needs!