IBM System x3550 M3 Type 4254 Problem Determination And Service Guide

Returning a device or component
If you are instructed to return a device or component, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to you.
Internal cable routing and connectors
The following illustration shows the internal routing and connectors for the two SAS
signal cables (in server models with eight drive bays).
Notes:
1. To connect the SAS signal cables, make sure that you first connect the signal
cable, and then the power cable and configuration cable.
2. To disconnect the SAS signal cables, make sure that you first disconnect the
power cable, and then the signal cable and configuration cable.
The following illustration shows the internal routing and connector for the optional
optical drive cable.
Attention: To disconnect the optional optical drive cable, you must first press the
connector release tab, and then disconnect the cable from the connector on the
system board. Do not disconnect the cable by using excessive force.
170 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide

IBM System x3550 M3 Type 4254 Specifications

General

Processor	Intel Xeon 5600 series
Max Processors	2
Memory	Up to 192 GB DDR3
Form Factor	1U Rack
Chipset	Intel 5520
Drive Bays	Up to 4 hot-swap 2.5-inch SAS/SATA or SSD
RAID Support	RAID 0, 1, 10
Network Interface	Dual-port Gigabit Ethernet
Power Supply	460W or 675W
Expansion Slots	2 PCIe 2.0
Weight	Approximately 17.24 kg (38 lbs)
Memory Slots	18 (RDIMM) or 12 (UDIMM)