Boost the capabilities of your HP Mobile Workstation or HP Business Notebook and improve system performance and application responsiveness with low-power, high-speed DDR4 memory from HP. Features Flexible, fast scalability. Improve start-up times with fewer delays during routine operations, run more programs simultaneously, and easily toggle between them with super-fast, power-efficient memory that you can scale to meet your exact requirements. HP-tested Ensure that all of your memory characteristics match by upgrading with HP-branded memory that's been tested for seamless system-level integration with HP Mobile Workstations and HP Business Notebooks. Supported by HP Protect your investment with a one-year limited warranty.Memory Size: 4 GBMemory Technology: DDR4 SDRAMMemory Voltage: 1.20 VMemory Speed: 2666 MHzMemory Standard: DDR4-2666/PC4-21333Error Checking: Non-ECCSignal Processing: UnbufferedDevice Supported: Mobile WorkstationNumber of Pins: 260-pinForm Factor: SoDIMMCompatibility: HP ZBook Mobile Workstations: 15v G5 17 G5