128279-B21
512-MB PC133-MHz Registered ECC SDRAM DIMM Memory Option Kit
Option/Retail: 128279-B21
Spare: 159227-001, 177628-001 (1 per retail kit)
Part/Assembly: 127006-041 (1 per retail kit)
Compatible with Server Models: BL10e G1, CL380, DL320 G1, DL360 G1, DL380 G1, ML330 G1/G2, ML330e, ML350 G1/G2, ML370 G1, ML530 G1