PY575AA I GENUINE New Sealed HP 256MB DDR2 SDRAM Memory Module 256MB ECC

Technical Information Memory Size 256 MB Memory Technology DDR2 SDRAM Number of Modules 1 x 256 MB Memory Speed 533 MHz Memory Standard DDR2-533/PC2-4300 Error Checking ECC Physical Characteristics Number of Pins 240-pin Miscellaneous Compatibility HP Workstation xw4300 We ship all products according to manufacturer specifications.  If the manufacturer does not include an option as standard with the product (power supply, fan tray etc) we do not either unless specifically stated.  If you are have questions regarding what is included with a product, please contact us.