Manufacturer: HP Inc. Manufacturer Part Number: 4UY11AA#ABA. Brand Name: HP. Product Name: 8GB DDR4 SDRAM Memory Module. Product Type: RAM Module. [Technical Information] Memory Size: 8 GB. Memory Technology: DDR4 SDRAM. Memory Speed: 2666 MHz. Memory Standard: DDR4-2666/PC4-21333. Error Checking: ECC. Device Supported: Mobile Workstation. Notebook. [Physical Characteristics] Number of Pins: 260-pin. Form Factor: SoDIMM. [Miscellaneous] Compatibility: HP Products: ZBook Studio x360 G5 Convertible Workstation ZBook 15v G5 Mobile Workstation ZBook 15 G5 Mobile Workstation ZBook 17 G5 Mobile Workstation ZBook Create x2 G4 Convertible Workstation EliteBook 1050 G1 Notebook PC ZBook Studio G5 Mobile Workstation ZBook Studio G4 Mobile Workstation ZBook Studio G3 Mobile Workstation ZBook 15 G4 Mobile Workstation ZBook 17 G4 Mobile Workstation ZBook 15 G3 Mobile Workstation ZBook 17 G3 Mobile Workstation Zbook x2 G4 Mobile Workstation Zbook 14u G5 Mobile Workstation Zbook 15u G5 Mobile Workstation .