The x3650 M3 is a high-performance rack server that uses significantly less power than previous generations, with unified systems management tools, leading reliability, availability, and serviceability features, and broad system flexibility, housed in a compact 2U mechanical package.


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IBM SYSTEM X3650 M3 – Specifications

Form Factor

2U Rack


Up to two six-core (up to 3.46 GHz) or quad-core (up to 3.6 GHz) Intel Xeon 5600 series processors with QuickPath Interconnect technology up to 6.4 GT/s, and up to 1333 MHz memory speed. Also supports the Intel Xeon X5698 4.4 GHz dual-core processor. Supports specific Quad-core and Dual-core Intel Xeon 5500 series processors via Configure-To-Order (CTO).

Memory Cache

Up to 12 MB L3 for Xeon 5600 processors. Up to 8 MB L3 for Xeon 5500 processors.


Intel 5520


Up to 18 DIMM sockets (9 DIMMs per processor). Up to 288 GB with 16 GB DDR3 RDIMMs and 18 populated DIMM slots (up to 144 GB with 9 DIMMs per processor), or up to 48 GB with 4 GB DDR3 UDIMMs and 12 populated DIMM slots (up to 24 GB with 6 DIMMs per processor).

Memory protection

ECC, ChipKill (for x4-based memory DIMMs), memory mirroring, and memory sparing.

Disk Drive Bays

Up to 16 2.5″ hot-swap SAS/SATA HDDs or solid-state drives.

Maximum internal storage
  • Up to 25.6 TB with 1.6 TB SSDs, or
  • Up to 19.2 TB with 1.2 TB SAS HDDs, or
  • Up to 16.0 TB with 1 TB SATA HDDs
  • Intermix of SAS/SATA/SSD is supported
RAID Support

RAID 0, 1, 1E with ServeRAID-BR10il v2 or M1015; RAID 0, 1, 5, 10, 50 with M5014 or M5015. Optional upgrade to RAID 5 is available for M1015. Optional upgrade to RAID 6, 60 is available for M5014/M5015.

Optical Drive Bays

One, support for DVD-ROM or Multiburner. Separate bay.

Tape Drive Bays

Optional Tape Enablement Kit is available to support one DDS5, DDS6, or RDX internal tape drive. If used, the maximum number of HDD bays is limited to 8.

Network Interfaces

Integrated 2 ports, plus 2 ports on optional Gigabit Ethernet with Ethernet Daughter Card (does not consume PCIe slot).

PCI Expansion Slots

Up to 5 (up to 4 available, one slot is dedicated to RAID controller), dependant on the riser cards used (three different riser cards are available: 2x PCI-E x8 Gen 2, 1x PCI-E x16 Gen 2, and 2x PCI-X 64 bit/133 MHz). Up to two riser cards are supported.


IBM Calibrated Vectored Cooling™ with 3 counter-rotating hot swap fans with N+1 redundancy. Altimeter is to control fan speed based on atmospheric pressure.

External Ports

Two USB 2.0 and one DB-15 video on front. Two USB 2.0, one DB-15 video, one DB-9 serial, one RJ-45 systems management, up to 4 RJ-45 network ports (2 standard, 2 optional) on rear. One internal USB port for embedded hypervisor.

Power Supply

Up to 2 redundant hot-swap 460 W AC or 675 W AC or 675 W high-efficiency (HE) AC power supplies with 90%+ efficiency. 675 W -48 V DC models are available via CTO.

Hot-Swap Components

Hard drives, power supplies, fans.

Systems Management

UEFI, IBM Integrated Management Module (IMM), Predictive Failure Analysis, Light Path Diagnostics, Automatic Server Restart, IBM Systems Director* and IBM Systems Director Active Energy Manager™, IBM ServerGuide. Optional Virtual Media Key for remote presence (graphics, keyboard and mouse, virtual media).

Security features

Power-on password, administrator’s password, Trusted Platform Module (TPM)


Matrox G200eV with 16 MB memory integrated into the IMM. Maximum resolution is 1280×1024 at 75 Hz with 16M colors.

Operating Systems Supported

Microsoft Windows Server 2008 R2 and 2008, Red Hat Enterprise Linux 5 and 6, SUSE Linux Enterprise Server 10 and 11, VMware ESX 4.1 and VMware ESXi 4.1 embedded hypervisor, Sun Solaris 10.

Limited Warranty

3-year customer-replaceable unit and onsite limited warranty with 9×5/next business day response time.

Service and Support

Optional service upgrades are available through IBM ServicePacs®: 4-hour or 2-hour response time, 8 hours fix time, 1-year or 2-year warranty extension, remote technical support for IBM hardware and selected IBM and third-party (Microsoft, Linux, VMware) software.