Features and specificationsThe following information is a summary of the features and specifications of theserver. Depending on the model, some features might not be available, or somespecifications might not apply.Table 1. Features and specificationsMicroprocessor:v Supports one Intel quad-core (Xeon3400 series) or dual-core (CeleronG1101, Pentium G6950, or Core i3series) processor the IbexPeak 3420chip set and Multi-chip Packageprocessor architecturev Designed for LGA 1156 socketv Scalable up to four coresv 32 KB instruction cache, 32 KB datacache, and up to 8 MB L3 cache that isshared among the coresv Support for Intel Extended Memory 64Technology (EM64T)Note:v Use the Setup utility to determine thetype and speed of the microprocessor.v For a list of supported microprocessors,see http://www.ibm.com/servers/eserver/serverproven/compat/us/.Memory:v Minimum: 1 GBv Maximum: 32 GB– 16 GB using unbuffered DIMMs(UDIMMs)– 32 GB using registered DIMMs(RDIMMs)v Types: PC3-8500 or PC3-10600R-999(single-rank or double-rank), 1066, and1333 MHz, ECC, DDR3 registered orunbuffered SDRAM DIMMs onlyv Connectors: Six dual inline memorymodule (DIMM) connectors, two-wayinterleavedv Supports (depending on the model):– 1 GB, 2 GB, and 4 GB unbufferedDIMMS– 1 GB, 2 GB, 4 GB, and 8 GBregistered DIMMsSATA optical drives:v UltraSlim DVD-ROM combo (optional)v Multi-burner (optional)Hard disk drive expansion bays(depending on the model):One of the following configurations:v Four 2.5-inch hot-swap SAS hard diskdrive baysv Two 3.5-inch hot-swap SAS or hot-swapSATA hard disk drive baysv Two 3.5-inch simple-swap SAS orsimple-swap SATA hard disk drive baysNote:– Simple-swap SATA hard disk drivessupport AHCI mode.– Simple-swap models only supportServeRAID-BR10il adapter.PCI expansion slots:Supports two PCI riser slots on the risercard that connects to slots 1 and 2 on thesystem board:v Slot 1 supports low-profile cards (PCIExpress Gen2 x8v Slot 2 supports 3/4-length, full-heightcards (PCI Express Gen2 x8 or PCI-X1.0a 64-bit/133 MHz)Power supply:One 351-watt power supply or one351-watt high efficiency power supply withActive Energy Manager (AEM) dependingon your model.Fans: The server comes standard with fivespeed-controlled fans.Integrated functions:v Integrated management module (IMM),which provides service processor controland monitoring functions, videocontroller, and (when the optional virtualmedia key is installed) remote keyboard,video, mouse, and remote hard diskdrive capabilitiesv Intel 82574L Gb Ethernet controller withTCP/IP Offload Engine (TOE) and Wakeon LAN supportv Seven Universal Serial Bus (USB) 2.0ports (two front, four rear, and oneinternal for the optional USB Hypervisorkey)v Two Ethernet portsv Four-port integrated SATA controllerv Integrated Trusted Platform Module(TPM) supportv One serial portv One VGA port6 IBM System x3250 M3 Types 4251, 4252, and 4261: Installation and User’s Guide