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Chapter 3: Maintenance and Component Installation
Removing a Heatsink
We do not recommend removing the heatsink. If necessary, please follow the instructions
below to prevent damage to the CPU or the CPU socket.
1. Unscrew and remove the heatsink screws from the motherboard in the sequence as
show in the figure above.
2. Hold and gently pivot the heatsink back and forth to loosen it from the CPU. (Do not use
excessive force when dislodging the heatsink!)
DDR4 Memory Support for Two Slots per Channel
Type
Ranks
Per
DIMM
and
Data
Width
DIMM Capacity
(GB)
Speed (MT/s)
Two Slots per Channel
One DIMM per
Channel
Two DIMMs per Channel
4 Gb
8 Gb
1.2 Volts
1.2 Volts
RDIMM
SRx4
8 GB
16 GB
2666
2666
SRx8
4 GB
8 GB
2666
2666
DRx8
8 GB
16 GB
2666
2666
DRx4
16 GB
32 GB
2666
2666
RDIMM 3Ds
QRX4
N/A
2H-64GB
2666
2666
8RX4
N/A
4H-128GB
2666
2666
LRDIMM
QRx4
32 GB
64 GB
2666
2666
LRDIMM
3Ds
QRX4
N/A
2H-64GB
2666
2666
8Rx4
N/A
4H-128 GB
2666
2666
DDR4 Memory Support for One Slot per Channel
Type
Ranks
Per
DIMM
and
Data
Width
DIMM Capacity
(GB)
Speed (MT/s)
One Slot per Channel
One DIMM per Channel
4 Gb
8 Gb
1.2 Volts
RDIMM
SRx4
8 GB
16 GB
2666
SRx8
4 GB
8 GB
2666
DRx8
8 GB
16 GB
2666
DRx4
16 GB
32 GB
2666
RDIMM 3Ds
QRX4
N/A
2H-64GB
2666
8RX4
N/A
4H-128GB
2666
LRDIMM
QRx4
32 GB
64 GB
2666
LRDIMM
3Ds
QRX4
N/A
2H-64GB
2666
8Rx4
N/A
4H-128 GB
2666
Check the Supermicro website for possible updates to memory support.