A highly available and expandable, rack-dense, 2U dual-socket SMP server, for application 
serving in Web environments 
Please see the Legal Information section for important notices and information. 
16
x3650 Specifications 
27.5” (698mm) D 
Operating systems supported 
Microsoft Windows Server 2003 (Standard/Web/Enterprise Editions) 32/64-bit, 
Windows 2000 Server (Standard/Enterprise Editions), RHEL 3/4 32/64-bit, SLES 9 
32/64-bit, Novell Open Enterprise Server (NetWare 6.5), VMware ESX Server 2.5/3.0 
Length of limited warranty 
3 years (parts and labor)
9
 
 
The Bottom Line 
The x3650 is an extremely powerful system, building on the legacy of the x346 server by 
incorporating leading-edge industry-standard features and adding IBM-unique innovations: 
Price/Performance
 
•  High-throughput processors — 1.6 to 3.16GHz quad-core or 1.6 to 3.0GHz dual-core 
Xeon processors; up to 8 (quad-core) or 4 (dual-core) processor cores per server  
•  Energy-efficient low-voltage processors — 50W quad-core and 65W dual-core Xeon 
processors 
•  Large cache — 12MB, 8MB, 6MB or 4MB of L2 processor cache 
•  64-bit extensions (EM64T) 
•  Leading-edge front-side bus — 1333MHz or 1066MHz FSB (model-specific) 
•  Fast memory — Fully buffered 667MHz PC2-5300 DDR II ECC memory standard with two-
way or four-way interleaving 
•  Fast disk technology — Integrated Serial-Attach SCSI (SAS) controller and slotless 
hardware-based RAID-0 data striping and RAID-10 striped/mirrored arrays, with 32MB of 
onboard cache 
•  Fast communications — Integrated dual Gigabit Ethernet controllers, supporting load-
balancing, failover and TOE 
•  Fast I/O — PCI-E x8 adapter slots 
Flexibility 
•  Large memory capacity — 48GB of fully buffered memory, using 12 DIMMs 
•  A choice of six 3.5-inch SAS or SATA drives or eight 2.5-inch SAS drives 
•  High-capacity disk storage — Up to 1.8TB of internal hot-swap SAS or 6TB of hot-swap 
SATA storage using 3.5-inch drives; up to 1.17TB of internal hot-swap SAS storage using 
2.5-inch drives 
•  Support for an optional half-height internal backup drive (in place of two 3.5-inch HDDs, or 
in addition to eight 2.5-inch HDDs); choice of removable disk cartridge (GoVault EZ), DDS-5 
tape, or VS160 tape 
•  High-performance external expansion — Seven 480Mbps USB 2.0 ports (two front, four 
rear, one internal); one external SAS port 
•  Hardware-based RAID-0/1/10 support standard; optional slotless RAID support for RAID-
1E/5/6 
•  Four available adapter slots — 
  Four x8 PCI-E slots (4Gbps) 
  An optional riser card containing two 133MHz PCI-X slots can replace the riser card 
containing two of the PCI-E slots 
•  Integrated DVD/CD-RW combo drive 
•  Two video ports (one on the front and one on the back) 
•  Optional iSCSI HBA Adapter for IXA Connectivity (to System i
™
/iSeries
™
 servers) 
Manageability, Serviceability and Availability
 
•  IBM Director systems management software, including: 
  IBM Systems Director Active Energy Manager for x86 
  IBM Management Processor Assistant 
  IBM Rack Manager 
9
 For terms and conditions or copies of the IBM Statement of Limited Warranty, call 800-772-2227 in the U.S. In Canada call 800-
426-2255. IBM makes no representation or warranty regarding third-party products or services including those designated as 
ServerProven or ClusterProven. Telephone support may be subject to additional charges. For warranties including onsite labor, a 
technician is sent after IBM attempts to resolve the problem remotely. International warranty service is available in any country in 
which this product is sold.