Xserve RAM

Xserve (Early 2009)

8500/1066MHz DDR3 ECC SDRAM
* Single 2.26GHz Quad-Core Intel Xeon 5500 series processor (supports up to 24GB)
* Dual 2.26GHz Quad-Core Intel Xeon 5500 series processors (supports up to 32GB)
* Dual 2.66GHz Quad-Core Intel Xeon 5500 series processors (supports up to 32GB)
* Dual or 2.93GHz Quad-Core Intel Xeon 5500 series processors (supports up to 32GB)

Xserve (Early 2008)

6400/800 Fully Buffered ECC Dimm RAM - Sold in Matching Pairs
* Single 2.8GHz Quad-Core Intel Xeon 5400 series processor (supports up to 32GB)
* Dual 2.8GHz Quad-Core Intel Xeon 5400 series processors (supports up to 32GB)
* Dual 3.0GHz Quad-Core Intel Xeon 5400 series processors (supports up to 32GB)

Xserve (Late 2006)

5300/667 Fully Buffered ECC Dimm - Sold in Matching Pairs
* Dual 2GHz Dual-Core Intel Xeon 5100 processors (supports up to 32GB)
* Dual 2.66GHz Dual-Core Intel Xeon 5100 processors (supports up to 32GB)
* Dual 3GHz Dual-Core Intel Xeon 5100 processors (supports up to 32GB)

Xserve G5

3200/400 DDR ECC RAM Module - Sold in Matching Pairs
* Single 2.0GHz PowerPC G5 (supports up to 16GB)
* Dual 2.3GHz PowerPC G5 (supports up to 16GB)

Xserve (2003)

3200/400 DDR RAM Module (backwards compatible with 2700/333MHz & 2100/266MHz RAM)
* 1.33GHz PowerPC G4 (supports up to 2GB)
* Dual 1.33GHz PowerPC G4 (supports up to 2GB)

Xserve (Early 2002)

3200/400 DDR RAM Module (backwards compatible with 2700/333MHz & 2100/266MHz RAM)
* 1GHz PowerPC G4 (supports up to 2GB)
* Dual 1GHz PowerPC G4 (supports up to 2GB)