Optimize your HP Business Notebook performance and realize energy savings with the new low-power HP 4 GB DDR3L 1600 MHz 1.35V SODIMM memory. Product Features: Enable fast start-up times with few delays during routine operations and support simultaneous opening of and toggling between large files (presentations; spreadsheets; and graphics; etc.). Enjoy power savings compared to predecessor memory with just 1.35 V output. HP rigorously tests and qualifies all suppliers for ensured quality so that memory works seamlessly with HP products. Buying HP-branded memory helps ensure all memory characteristics match when upgrading. Specifications: Compatibility Statement: HP ProBook 430 G1; 440 G0; 450 G0; 470 G0; 445 G1; 455 G1; 4230s; 4330s; 4331s; 4340s; 4341s; 4430s; 4431s; 4435s; 4436s; 4530s; 4535s; 4445s; 4446s; 4440s; 4441s; 4540s; 4545s; 4740s; and 4730s; Notebook PC HP ProBook 5330m; 6360b; 6460b; 6465b; 6470b; 6475b; 6560b; 6565b; and 6570b; Notebook PC HP Envy Pro Ultrabook PC HP EliteBook Folio 9470m; Notebook PC HP EliteBook Revolve 810 G1; HP EliteBook 2170p; 2560p; 2570p; 2760p; 8460p; 8470p ; 8560p; and 8570p; Notebook PC HP EliteBook 8460w; 8470w; 8560w; 8570w; 8760w and 8770w; Mobile Workstations HP 3115m; and 3125; Notebook PC HP 242 G1; 250 G1; 255 G1; 240; 245; 450; 455; 650; 655; HP ProBook 6360t Mobile Thin Client HP mt20; mt40; and mt41 Thin Client. Capacity: 4 GB. Memory Speed: 1;600 MHz. Number of Pins: 204. Voltage: 1.35 volts. RAM Technology: DDR3 1600. Minimum dimensions (W x D x H): 2.66 x 0.78 x 0.1 in. Warranty: 1 Year. What's in the box: HP 4GB DDR3L 1600MHz 1.35V SODIMM; Documentation