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Apple Xserve Models
Within the Xserve family there are the newest Eight & Quad Core Harpertown Xeon models, the Original Quad Core Xeons as well as the earlier G4 and G5 models each of which have their own specific architectures. Our exclusive premium certified HyperVelocity modules deliver the highest possible performance you can get for your Xserve. Please select your specific model in order to choose the correct memory modules.
Whenever applicable, Mac RAM Direct will spec upgrades in the form of modules capable of faster speeds than originally supplied. Remember, faster RAM is like Premium gasoline where even if your car uses 87 octane Regular, she'll purr like a kitten with the higher octane juice. The same holds true for RAM. Enjoy!
The Xserve models are as follows:
Electrostatic discharge precautions here.
NEW Dual Quad Xeon Xserve
2.8GHz & 3.0GHz Models
| Xserve Eight Core "Harpertown" Model Specs | |
|---|---|
| MUST INSTALL IN PAIRS. FB-DIMM ECC DDR2 (Error Correcting) Must install minimum of 4 DIMMs to utilize the full 256 bit data path | |
| processor speed | 2.8 Quad, 2.8 & 3.0GHz Eight Core Xeon "Harpertown" |
| built in memory | 0 |
| memory type | DDR2-800 (PC2-6400) 240 pin ECC Fully Buffered, Heat Spreader Cooled FB-DIMM |
| memory slots | 8 |
| maximum memory | 32GB (32GB requires 4GB modules) |
Quad Xeon Xserve
2GHz- 3+GHz Models
| Xserve Xeon Quad Core Model Specs | |
|---|---|
| MUST INSTALL IN PAIRS. FB-DIMM ECC DDR2 (Error Correcting) Must install minimum of 4 DIMMs to utilize the full 256 bit data path | |
| processor speed | 2.0, 2.6 & 3.0GHz Quad Core Xeon |
| built in memory | 0 |
| memory type | DDR2-667 (PC2-5300) 240 pin ECC Fully Buffered, Heat Spreader Cooled FB-DIMM |
| memory slots | 8 |
| maximum memory | 32GB (32GB requires 4GB modules) |
G5 Xserve
Single, Dual and Cluster Node
| Xserve G5 DDR model specs | |
|---|---|
| MUST INSTALL IN PAIRS | |
| processor speed | 2+GHz Single and Dual |
| built in memory | 0 |
| memory type | DDR400 (PC3200) ECC DIMM |
| memory slots | 8 |
| maximum memory | 8GB |
Installation instructions for XServe here.
G4 Xserve
Single and Duals
| Xserve G4 model specs | |
|---|---|
| Early DDR266 models can upgrade to the later DDR333 (PC2700) RAM | |
| processor speed | 1-1.33GHz Single or Dual |
| built in memory | 0 |
| memory type | DDR266 (PC2100) or DDR333 (PC2700) |
| memory slots | 4 |
| maximum memory | 2GB |
| DDR333 PC2700 modules | ||
|---|---|---|
| 512MB Kit | 2 256MB DIMMs | $89.93 ![]() |
| 512MB | 1 512MB DIMM | $69.93 ![]() |
| 1GB KIT | 2 512MB DIMMs | $89.93 ![]() |
| 2GB KIT | 4 512MB DIMMs | $169.93 ![]() |
Installation instructions for XServe here.

