From the Original Manufacturer, Micron Technology's, this replacement or upgrade accessorie for the HP D6099A 256MB SDRAM ECC 168-pin DIMM for HP NetServer LH3, LPr, LC3. Kit contains 1-512MB DIMM modules. This is currently the largest size module available for these systems. 20-day risk-free trial We guarantee that the memory you receive will be 100% compatible with your system. If not, simply return it to us within 20 days for a full refund. In addition, our RAM comes with a limited lifetime warranty and free tech support. So try our RAM for 20 days — there’s almost nothing to lose! Memory Sub-System: System Memory Module Type: DIMM Memory Type: SDRAM (Sychronous DRAM) Additional Specifications: 3.3 volt Fault Tolerance Level: ECC Speed (MHz): PC100 (100MHz) Access Time (ns): 10 Number of Pieces: 1 DIMM Number of Contacts: 168 Warranty: Limited lifetime warranty Contact Us for Current Availability and Price D6099AoX$167.00