Installing a memory module, Installing, Memory – Lenovo 3797 User Manual
Page 80: Module

Installing
a
memory
module
The
following
notes
describe
the
types
of
dual
inline
memory
modules
(DIMMs)
that
the
server
supports
and
other
information
that
you
must
consider
when
installing
DIMMs:
1
Microprocessor
2
2
Microprocessor
1
v
The
server
supports
only
industry-standard
double-data-rate
3
(DDR3),
800,
1066,
or
1333
MHz,
PC3-10600R-999
(single-rank
or
dual-rank),
registered,
synchronous
dynamic
random-access
memory
(SDRAM)
dual
inline
memory
modules
(DIMMs)
with
error
correcting
code
(ECC).
See
for
a
list
of
supported
memory
modules
for
the
server.
v
The
server
supports
a
maximum
of
16
single-rank
or
dual-rank
DIMMs.
v
The
server
supports
three
single-rank
or
dual-rank
DIMMs
per
channel.
The
following
table
shows
an
example
of
the
maximum
amount
of
memory
that
you
can
install,
using
ranked
DIMMs.
Table
7.
Maximum
memory
installation
using
ranked
DIMMs
Number
of
DIMMs
Number
of
ranks
DIMM
size
Total
memory
16
Single
rank
4
GB
64
GB
16
Dual
rank
4
GB
64
GB
16
Dual
rank
8
GB
(if
available)
128
GB
64
ThinkServer
RD220
Types
3729,
3779,
3797,
and
3798:
Installation
and
User
Guide