CMS 16GB (4X4GB) DDR2 3200 400MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Proliant Dl380 G4 Server Ddr2 Ecc Reg for Server Only - B48 at Amazon.com
Server 4GB (2x 2G ) DDR2 400MHz PC2-3200R RAM 2GB 1Rx4 PC2-3200 400MHz REG ECC Support Simultaneous Use of More Than 4 Memory
IBM 8234-1923 - 0/32GB (4x 8GB) 400MHz DDR2 DIMM Memory by IBM