HP PAVILION ZV6000 DV4000 MEMORY 512MB (256X2) DDR PC2700 Matching pair 2 stiks of 256mb for 512mb total.    Tested -- 100% Functional -- Pulled from Working HP Pavilion ZV6008CL Laptop --  - Tested to work on HP DV4000 DV1000.  Look carefully at the picture and ensure this is the part you need.  Picures is actual item --- please look at the picture for the item you'll receive. However if actual picture is inconsistent with the description, then there's a mistake, please contact me frst for clarification before you buy.  Thanks for looking! Actual picture -- if it is not mentioned as included, please assume it is not included.All items are used except indicated otherwise.