• If an ML2 card is installed, you must install a PCIe thermal kit for proper cooling. See “Installing a
PCIe thermal solution kit” on page 325.
Particulate contamination: airborne particulates and reactive gases acting alone or in combination with other
environmental factors such as humidity or temperature might pose a risk to the server. For information about
the limits for particulates and gases, see “Particulate contamination” on page 1313.
Rail and supported rack specifications
Option name
System x Enterprise
Slides Kit
System x Gen II
Universal Slides Kit
System x M5
Custom Rail Kit
Lenovo Server
2U/1U 4-Post
Friction Rail kit
(support from
November 2016)
Option part number
00FK656
00KA500
00MW239
00MV369
Rail type
Full-out slide rail (ball
bearing), toolless
installation
Full-out slide rail (ball
bearing)
Half-out slide rail
(friction), toolless
installation
Half-out slide rail
(friction), toolless
installation
Supported rack type
Four-post IBM and
Lenovo standard
rack, complying with
the International
Electrotechnical
Commission (IEC)
standard
If a 0U power
distribution unit (PDU)
is to be installed, read
the notes at the
bottom.
Any four-post rack,
complying with the
IEC standard
If a 0U PDU is to be
installed, read the
notes at the bottom.
Four-post IBM and
Lenovo standard
rack, complying with
the IEC standard
If a 0U PDU is to be
installed, read the
notes at the bottom.
Four-post IBM and
Lenovo standard
rack, complying with
the IEC standard
If a 0U PDU is to be
installed, read the
notes at the bottom.
Service on rack
Yes
Yes
No
No
Cable management
arm (CMA) support
Yes
Yes
No
No
1U PDU support
Yes
Yes
Yes
Yes
0U PDU support
Limited support.
Read the notes at the
bottom.
Limited support.
Read the notes at the
bottom.
Limited support.
Read the notes at the
bottom.
Limited support.
Read the notes at the
bottom.
Mounting holes
Square or round
Square, round, or
threaded
Square or round
Square or round
Thickness of
mounting flanges
2 mm (0.08 inch) –
3.3 mm (0.13 inch)
2 mm (0.08 inch) –
4.65 mm (0.18 inch)
2 mm (0.08 inch) – 4
mm (0.16 inch)
2 mm (0.08 inches) –
4 mm (0.16 inches)
12
Lenovo System x3650 M5 Installation and Service Guide
Summary of Contents for x3650 M5
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