IBM System x3550 M3

RDIMMs
Up to 18 single-rank RDIMMs (nine per processor) for a maximum of 72 GB (18x 4 GB)
Up to 18 dual-rank RDIMMs for a maximum of 288 GB (18x 16 GB)
Up to 12 quad-rank RDIMMs for a maximum of 192 GB (12x 16 GB)
UDIMMs
Up to 12 dual-rank UDIMMs for a maximum of 48 GB (12x 4 GB)

Memory speed:

Intel Xeon 5600 series processors:
1333 MHz when one or two single-rank or dual-rank RDIMMs per channel are installed or one UDIMM per channel is installed
1066 MHz when one quad-rank RDIMM per channel is installed or two UDIMMs per channel are installed
800 MHz when three single-rank or dual-rank RDIMMs or two quad-rank RDIMMs per channel are installed
Quad-core Intel Xeon 5500 series processors:
1333 MHz when one single-rank or dual-rank RDIMM per channel is installed or one UDIMM per channel is installed
1066 MHz when two single-rank or dual-rank RDIMMs per channel are installed, or one quad-rank RDIMM per channel is installed, or two UDIMMs per channel are installed
800 MHz when three single-rank or dual-rank RDIMMs or two quad-rank RDIMMs per channel are installed
Dual-core Intel Xeon 5500 series processors only support memory speed at 800 MHz.

see pic.4

Four SATA 2.5" SFF Simple-Swap hard drive bays (only available in CTO)
Four SAS/SATA 2.5" SFF hot-swap hard drive bays, with or without space for an optical disk drive
Eight SAS/SATA 2.5" SFF hot-swap hard drive bays (Note that the optical drive bay is not available in this configuration.)

59Y3992 IBM System x3550 M3 R2 plus 4 HDD Kit with 8HDD Bezel

RAID 0, 1, 1E with 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.

ServeRAID M1015 SAS/SATA Controller :
-Two Mini-SAS internal connectors
-Supports RAID levels 0, 1, and 10
-Supports RAID levels 5 and 50 with optional ServeRAID M1000 Series Advanced Feature Key
-6 Gbps throughput per port
-Based on the LSI SAS2008 6 Gbps RAID on Chip (ROC) controller
-PCI Express 2.0 x8 host interface
-Configurable stripe size up to 64 KB

ServeRAID M5014 SAS/SATA Controller:
-Two Mini-SAS internal connectors
-Supports RAID levels 0, 1, 5, 10, and 50
-Supports RAID 6 and 60 with the optional M5000 Advanced Feature Key
-Performance optimization for SSD drives with optional M5000 Series Performance Accelerator Key
-6 Gbps throughput per port
-PCI Express 2.0 x8 host interface
-Based on the LSI SAS2108 6 Gbps ROC controller
-256 MB of onboard cache
-Optional Intelligent Li-Ion-based battery backup unit with the ServeRAID M5000 Series Battery Kit

ServeRAID M5015 SAS/SATA Controller :
-Two Mini-SAS internal connectors
-Supports RAID levels 0, 1, 5, 10, and 50
-Supports RAID 6 and 60 with the optional M5000 Advanced Feature Key
-Performance optimization for SSD drives with optional M5000 Series Performance Accelerator Key
-6 Gbps throughput per port
-PCI Express 2.0 x8 host interface
-Based on the LSI SAS2108 6 Gbps ROC controller
-512 MB of onboard cache
-Standard Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retention

Controller:

46M0830 ServeRAID M5025 SAS/SATA Controller 3
46M0930 ServeRAID M5000 Series Advance Feature Key
81Y4426 ServeRAID M5000 Series Performance Accelerator Key

ServeRAID M5025 SAS/SATA Controller :

-Two Mini-SAS external connectors
-Supports RAID levels 0, 1, 5, 10, and 50
-Supports RAID 6 and 60 with the optional M5000 Advanced Feature Key
-Performance optimization for SSD drives with optional M5000 Series Performance Accelerator Key
-6 Gbps throughput per port
-PCI Express 2.0 x8 host interface
-Based on the LSI SAS2108 6 Gbps ROC controller
-512 MB of onboard cache
-Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retention
-Supports connectivity to the EXP3000, EXP2512, and EXP2524 storage expansion enclosures
 

Storage bay:

172701X IBM System Storage® EXP3000

174712X IBM System Storage EXP2512 Express
174724X IBM System Storage EXP2524 Express

Optional;

46M0877 IBM 160GB High IOPS SS Class SSD PCIe Adapter max 4
46M0878 IBM 320 GB High IOPS SD Class SSD PCIe Adapter max 3
46M0898 IBM 320GB High IOPS MS Class SSD PCIe Adaptermax 4
81Y4519 640GB High IOPS MLC Duo Adapter for IBM System x max 2
 

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

46M0901 IBM UltraSlim Enhanced SATA DVD-ROM
46M0902 UltraSlim Enhanced SATA Multi-Burner
59Y3952 IBM System x3550 M3 R2 ODD Kit

x3550 M3 supports up to four integrated Gigabit Ethernet ports. Two ports are standard (Broadcom BCM5709), and two ports can be added by installing the optional Dual-port Gigabit Ethernet Daughter card, 46M1076. This card uses a dedicated connector on the motherboard and does not consume a PCI expansion slot.

TCP Offload Engine (TOE) support
Wake on LAN support
802.1Q VLAN tagging support
NIC Teaming (load balancing and failover)

Slot 1: Low-profile
Slot 2: Full-height, half-length

The server supports up to two redundant power supplies, providing N+N redundancy. Standard models come with one or two power supplies (model dependent). -48V DC models are only available through CTO.

46M1075 IBM 675 W Redundant Power Supply
69Y1510 IBM -48V DC Input 675 W Redundant Power Supply
81Y6557 IBM 675W High Efficiency Redundant AC Power Supply
81Y6558 IBM 460W Redundant AC Power Supply

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.

Features:

Intelligent Platform Management Interface (IPMI) Version 2.0
Simple Network Management Protocol (SNMP) Version 3
Common Information Model (CIM)
Web browser

Optional 46C7526 IBM Virtual Media Key :

Remotely viewing video with graphics resolutions up to 1280x1024 at 75 Hz, regardless of the system state
Remotely accessing the server using the keyboard and mouse from a remote client
Mapping the CD or DVD drive, diskette drive, and USB flash drive on a remote client, and mapping ISO and diskette image files as virtual drives that are available for use by the server
Uploading a diskette image to the IMM memory and mapping it to the server as a virtual drive
 

Dimensions:

Height: 43 mm (1.7 in)
Width: 440 mm (17.3 in)
Depth: 711 mm (28.0 in)

Weight:
Minimum configuration 12.7 kg (28 lb)
Maximum configuration 15.9 kg (35.1 lb)

Supported environment:
Air temperature:
Server on: 10 to 35° C (50.0 to 95.0° F); altitude: 0 to 914.4 m (3,000 ft).
Decrease system temperature by 0.75° C for every 1,000-foot increase in altitude.
Server off: 5 to 45° C (41.0 to 113° F);
Shipment: -40 to +60° C (-40 to 140° F);
Humidity:
Server on: 20 to 80% , maximum dew point 21° C, maximum rate of change 5° C/hr
Server off: 8 to 80%, maximum dew point 27° C

Electrical:
Models with 675 W power supply
100 to 127 (nominal) V ac; 50 Hz or 60 Hz; 7.8 A
200 to 240 (nominal) V ac; 50 Hz or 60 Hz; 3.8 A
Input kilovolt-amperes (kVA) (approximately):
Minimum configuration: 0.12 kVA
Maximum configuration: 0.78 kVA
Models with 460 W power supply
100 to 127 (nominal) V ac; 50 Hz or 60 Hz; 5.3 A
200 to 240 (nominal) V ac; 50 Hz or 60 Hz; 2.6 A
Input kilovolt-amperes (kVA) (approximately):
Minimum configuration: 0.12 kVA
Maximum configuration: 0.53 kVA

BTU heat output:
Minimum configuration: 307 Btu/hr (90 watts)
Maximum configuration: 2660 Btu/hr (780 watts)

Acoustical noise level emission level:
6.1 bels (idling)
6.1 bels (operating)