Product guide
Superior performance/U in a 4-socket, 2U server 
Please see the Legal Information section for important notices and information. 
1
Product Guide  
November 2010  
IBM System x3755 M3
Product Overview 
CONTENTS 
Product Overview 
1
Selling Features 
1
Key Features 
3
Key Options 
8
x3755 M3 Images 
9
x3755 M3 Specifications 
10
The Bottom Line  1
3
Server Comparison Chart
14
For More Information 
15
Legal Information 
15
Outstanding price/performance for mid-size workloads 
Suggested Uses: Businesses requiring a rack-optimized compute-dense server for business 
intelligence, midsized databases or virtualization, ERP, HPC, and the like. 
The challenge today is to squeeze as much performance out of your IT dollars as possible, while 
saving cost on features not needed. The four-socket, IBM
®
 System x3755 M3, incorporating 
IBM X-Architecture
™
 features, meets that challenge. It was designed to eliminate system 
architecture bottlenecks through the use of separate, high-speed links between the processors, 
main memory and I/O. It is well suited for application workloads that benefit from a 4-processor 
system with outstanding price/performance, offering high compute density, large memory 
capacity, and high I/O throughput, all in a small rack footprint. Up to 21 x3755 M3 servers can be 
installed in a single 42U rack, offering the compute density of up to 84 processors (1008 
processing cores) per rack. 
The x3755 M3 supports the latest 12- and 8-core AMD Opteron 6100 series processors with 
DirectConnect Architecture and HyperTransport technology, to offer impressive computing power 
in a 2U rack-optimized design. This server offers up to 48 processor cores, high memory 
bandwidth, and high floating-point performance at an affordable price. The x3755 M3 offers 
up to 512GB
1
 of industry-standard 1333MHz DDR3 (PC3-10600) memory with Chipkill
™ 
ECC 
(Error Checking and Correcting) protection—for high performance and reliability. For even higher 
levels of availability, the x3755 M3 also offers online memory sparing. Two dual-port 
integrated Gigabit Ethernet controllers are standard—offering TOE (TCP offload engine), iSCSI, 
and RDMA support, load-balancing and failover capabilities, along with four high-performance 
PCIe Gen 2 adapter slots. 
All models offer support for either two or four processors and a choice of high-performance 
hard disk drives with an internal storage capacity of up to 16TB
2
 (eight 3.5-inch hot-swap SAS 
or SATA HDDs). In addition, up to 12TB (six 3.5-inch simple-swap SATA drives) is supported 
via the configure-to-order (CTO) process. The integrated ServeRAID
™
 SAS (Serial Attach 
SCSI)/SATA (Serial-attach ATA) controller provides hardware-based RAID-0/1/10 or RAID-
0/1/10/5/50 support standard (model-specific). Additional RAID support is available via upgrade. 
Standard in the x3755 M3 is an integrated Baseboard Management Controller (iBMC) that 
enables the user to manage and control the server easily—both locally and remotely. This high 
level of manageability is designed to keep costs down and the system up. A pop-out/drop-down 
light path diagnostics panel enables quick servicing of the system if a problem develops. 
These advanced features help maximize network availability by increasing uptime, as do 
integrated RAID; temperature-controlled fans; IPMI 2.0 support, including highly secure 
remote power control and Serial over LAN; as well as text-console redirect over LAN. 
Another improvement in the new generation of X-Architecture is the replacement of legacy BIOS 
with a new generation Unified Extensible Firmware Interface (UEFI). UEFI provides a more 
intuitive user interface and understandable event logs and better management. 
With the inclusion of unique IBM service and support features such as IBM Active Memory
™
, the 
iBMC, UEFI, light path diagnostics, IBM Systems Director, IBM ServerGuide
™
, and others, the 
x3755 M3 is designed for maximum uptime.  
If you need highly manageable, quad-socket/multi-core price/performer in a rack-dense 2U 
package, the x3755 M3 is the ideal system.  
Selling Features 
Price/Performance 
The x3755 M3 offers numerous features to boost performance and reduce product and operating 
costs: 
1
 Maximum memory and disk capacity may require the replacement of standard components with the largest supported component 
available. 512GB capacity using 16GB DIMMs requires a 4-processor system in order to use all 64 sockets. In a two-processor 
configuration, only 16 total DIMM sockets are available; thus a two-processor system is limited to 256GB of RAM (16 x 16GB). 
2 
GB equals 1,000,000,000 bytes when referring to hard disk drive capacity. Accessible capacity may be less. 










