4GB single module (Ramcheck tested used) Used
HP RP34X0/RX2620 4GB 1X4GB PC2100 DIMM4GB single module (Ramcheck tested used)
$172.80
HP 331564 561 M312L5128MT0 SPS DIMM 4GB PC2700 DDR
4GB PC2700 Memory Module (Ramcheck tested)