Xserve
Intel Xserve

Component
Xserve (Late 2006)
Xserve (Early 2008)
Xserve (Early 2009)
Release date
August 7, 2006
January 8, 2008
April 7, 2009
Model identifier
Xserve1,1
Xserve2,1
Xserve3,1
Processor
Dual 2 GHz, Dual 2.66 GHz, or Dual 3 GHz Dual-Core Intel Xeon 5100
2.8 GHz, Dual 2.8 GHz, or Dual 3 GHz Quad-Core Intel Xeon 5400
2.26 GHz, Dual 2.26 GHz, Dual 2.66 GHz, or Dual 2.93 GHz Quad-Core Intel Xeon 5500
CPU cache
1 MB L2 (Per Processor)
2 MB L2 (Per Processor)
4x 256 KB L2; 8 MB L3 (Per Processor)
System bus
1333 MHz Front side bus (Per Processor)
1600 MHz Front side bus (Per Processor)
QPI
Memory
1 GB of 667 MHz PC2-5300 Fully Buffered ECC DDR2 SDRAM Expandable to 32 GB
2 GB of 800 MHz PC2-6400 Fully Buffered ECC DDR2 SDRAM Expandable to 32 GB
3 GB of 1066 MHz PC3-8500 ECC DDR3 SDRAM Expandable to 24 GB (Quad Core) or 48 GB (Eight Core) Unofficially 48 GB (Quad Core) or 96 GB (Eight Core)
Graphics
ATI Radeon X1300 with 64 MB of GDDR3 SDRAM Optional ATI Radeon X1300 with 256 MB of DDR2 SDRAM
ATI Radeon X1300 with 64 MB of GDDR3 SDRAM
NVIDIA GeForce GT 120 with 256 MB of GDDR3 SDRAM
Hard drive
80 GB SATA SATA: Up to 3x 750 GB (2.25 TB) SAS: Up to 3x 300 GB (900 GB)
80 GB SATA SATA: Up to 3x 1 TB (3 TB) SAS: Up to 3x 450 GB (1.35 TB)
160 GB SATA SATA: Up to 3x 2 TB (6 TB) SAS: Up to 3x 450 GB (1.35 TB)
Hard drive
Serial ATA 5400-rpm or SAS 15000-rpm Three Internal Bays
Serial ATA 5400-rpm or SAS 15000-rpm Three Internal Bays
Serial ATA 7200-rpm or SAS 15000-rpm Optional 128 GB SSD Boot Drive Three Internal Bays
Optical drive Slot loading
CD-RW/DVD-ROM Combo Drive or DVD-RW DL SuperDrive
DVD-RW DL SuperDrive
DVD-RW DL SuperDrive
Connectivity
2x Gigabit Ethernet
2x Gigabit Ethernet
2x Gigabit Ethernet
Expansion
1x PCIe ×8 1x configurable slot (PCIe ×8 or 133 MHz PCI-X)
1x PCIe 2.0 ×16 1x configurable slot (PCIe 2.0 ×8 or 133 MHz PCI-X)
2x PCIe 2.0 ×16 (1x 6.6" length and 1x 9.25" length)
Peripherals
2x USB 2.0 2x Firewire 800 1x Firewire 400 1x RS-232 serial
3x USB 2.0 2x Firewire 800 1x RS-232 serial
3x USB 2.0 2x Firewire 800 1x RS-232 serial
Video out
Mini-DVI (VGA with adapter) Dual-Link DVI with optional ATI video card
Mini-DVI (VGA with adapter) Dual-Link DVI with optional ATI video card
Mini DisplayPort
Maximum Operating System
Mac OS X 10.7 Server "Lion" (Unofficially, can run OS X 10.8 "Mountain Lion, 10.9 "Mavericks", 10.10 "Yosemite" and 10.11 "El Capitan" with an upgrade to a supported graphics card and EFI64 emulation)
Mac OS X 10.7 Server "Lion" Unofficially, can run MacOS 10.14 "Mojave" with Mojave Patcher
OS X 10.11 "El Capitan" Unofficially, can run MacOS 10.14 "Mojave" with Mojave Patcher
Weight
14.4 kg (31.7 Pounds)
14.4 kg (31.7 Pounds)
14 kg (30.86 Pounds)

Question: What is the composition of the Xserve?
Answer: Xserve use Intel Xeon processors, DDR2 ECC, ATI Radeon graphics, and a maximum storage capacity of 2.25 TB when used with three 750 GB drives.