| Board order code | S3420GPLX | S3420GPLC | 
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| Form factor | ATX (12" x 9.6") | 
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| Processor support | Intel® Xeon® processor 3400 series | 
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| Chipset | Intel® 3420 chipset with IDT PCI Express* 2.0 switch | Intel® 3420 chipset | 
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| Memory | 6 DDR3 DIMM sockets (Registered or Unbuffered) 2 channel native (800/1066/1333MHz)
 | 
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| Total slots | One PCI Express* 2.0 x8 slot (x16 mechanical)One PCI Express* 2.0 x8 slot (x8 mechanical)One PCI Express* 2.0 x4 slot (x8 mechanical)One PCI Express* x4 slot (x8 mechanical)One PCI Express* x1 slot (x1 mechanical)One PCI 32/33 (5V) slot
 | One PCI Express 2.0 x8 slot (x16 mechanical)One PCI Express 2.0 x8 slot (x8 mechanical)One PCI Express x4 slot (x8 mechanical)One PCI 32/33 (5V) slot
 | 
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| Storage | 6 SATA ports (3Gbps) via Intel® 3420 chipset with Intel® Embedded Server RAID Technology and Intel® Matrix Storage RAID TechnologyModular 4 port SAS and SAS RAID options via Intel® I/O Expansion Module
 | 6 SATA ports (3Gbps) via Intel® 3420 chipset with Intel® Embedded Server RAID Technology and Intel® Matrix Storage RAID Technology | 
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| Intel® RAID support | Integrated SATA RAID levels 0/1/5/10Optional SW RAID 5 with activation key for Intel® SAS ModuleOptional internal SAS RAID module available
 | Integrated SATA RAID levels 0/1/5/10 | 
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| Integrated LAN | Embedded Intel® 82574L Gigabit Ethernet Controller and 82578DM | 
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| Integrated graphics | Server Engine* LLC Pilot II* Controller with 64 MB DDR2 memory, 8 MB allocated to graphics | 
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| Management hardware | Integrated IPMI 2.0 baseboard management controllerOptional Intel® Remote Management Module 3
 | Integrated IPMI 2.0 baseboard management controller | 
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| Management software | Intel® System Management Software 3.xIntel® Deployment Assistant 3.5
 | Intel® System Management Software 3.xIntel® Deployment Assistant 3.5
 | 
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