Not Smart Module - Not Viking, Not Simple or GoldenRam but from the HP Original Manufacturer Micron Technology, this replacement or upgrade accessory for the HP 300679-B21 1GB DDR ECC 184-pin DIMM for HP/Compaq BL20p(G2), BL40p, DL360(G3), DL380(G3), DL560, ML370(G3) Proliant Server. Kit contains 2-512MB DIMM modules. 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! Availability: 3-4 days Memory Sub-System: System Memory Module Type: DIMM Memory Type: DDR Additional Specifications: 3.3 volt Fault Tolerance Level: ECC Registered Speed (MHz): PC2100 Access Time (ns): CL=2.5 Number of Pieces: 2 DIMM Number of Contacts: 184 Warranty: Limited lifetime warranty Due to the fluctuations in memory prices, please contact Us for to verify Current Availability and Price before you order. Availability: Usually ships in 2-3 business days. 300679-B21o$159.95