|Processor (max)||Up to one Intel Xeon E3-1200 v3 series processor (quad-core), Core i3 series processor (quad-core), or Pentium series processor (dual-core)|
|Cache (max)||Up to 8 MB per processor|
|Memory (max)||Up to 32 GB via four slots (UDIMM)|
|Media bays||One optional optical bay for 2.5-inch model|
|Disk bays||Up to four 3.5-inch or eight 2.5-inch HDDs*|
|RAID support||Integrated ServeRAID™ C100 RAID-0, -1, (RAID-5 upgrade via Feature on Demand (FoD)), optional hardware RAID-0, -1, -10 or RAID-5, -50 or RAID-6, -60*|
|Power supply (std/max)||One fixed 300 W or up to two 460 W hot-swap redundant power supplies*|
|Hot-swap components||Up to four 3.5-inch or eight 2.5-inch HDDs, 460 W hot-swap redundant power supplies|
|Network interface||Two Gigabit Ethernet ports standard; two additional Gigabit Ethernet ports upgradeable via FoD|
|Expansion slots||1 PCIe 3.0 x8 slot and 1 PCIe 3.0 x8 (electrical x4) slot|
|USB ports||2 USB 3.0 front/4 USB 2.0 rear/1 USB 2.0 internal|
|Maximum internal storage||Up to 24 TB|
|Energy efficiency||Fixed power supply compliant with 80 PLUS® Bronze/ Redundant power supply compliant with 80 PLUS® Gold|
|Systems management||Integrated Management Module 2 (IMM2) standard with IPMI 2.0 and Serial over LAN, optional upgrade to remote presence via FoD; IBM Systems Director, ServerGuide™|
|Operating systems supported||Microsoft Windows Server 2012 R2/ Microsoft Windows Server 2012/Microsoft Windows Server 2008 R2, Red Hat Linux, Novell SUSE Linux, VMware|
|Limited warranty||3-year customer replaceable unit and onsite limited warranty, next business day 9×5; service upgrades available|
* Model dependent.
Lenovo acquires IBM x86 systems
These IBM x86 products are now products of Lenovo in the U.S. and other countries. IBM will host x86-related content on ibm.com until migrated to Lenovo. During the transition, please interpret references to IBM in relation to transitioned products as Lenovo.
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IBM System x3250 M5 Server
Single-socket 1U rack server with advanced performance and energy efficiency for small businesses.