466440-B21, 8GB FBD PC2-5300 2x4GB LP Kit Server Memory For HP DL380 G5, DL580 G5, ML370 G5 ready stock 1 Generation: PC2-5300 Part Number: 466440-B21 Storage Capacity: 8 GB ( 2 x 4 GB) Upgrade Type: System Specific Technology: DDR II SDRAM Memory Speed: 667 MHz ( PC2-5300) Rank: Dual Note: Low Power Kit Compatible Servers: BL460c G1, BL480c, BL680c G5, DL160 G5, DL160 G5p, DL360 G5, DL380 G5, DL580 G5, ML370 G5