Lenovo ThinkEdge SE455 V3 User Manual page 17

Recommended ambient temperature
Specific components require proper ambient temperature to prevent performance degradation. See the following table
for details.
Notes:
• ThinkEdge SE455 V3 supports different acoustic modes, which optimize the operation of system fans for better
acoustic performance.
• The server might operate in one of the following acoustic modes. See the corresponding table for information of
recommended ambient temperature:
– Table 1 "Disabled" on page 9
– Table 2 "Mode 1" on page 11
– Table 3 "Mode 2" on page 11
Disabled
The server operates at default fan
speeds.
Table 1. Recommended ambient temperature: acoustic mode disabled
Components installed
Note: The components not listed in this table are recommended to operate with ambient temperature lower than 55°
C.
Processor
AMD EPYC 8124P processor
AMD EPYC 8224P, 8324P, 8434P, 8534P
processor
AMD EPYC 8024PN, 8124PN, 8224PN, 8324PN,
8434PN, 8534PN processor
PCIe adapters
• ThinkSystem RAID 940-8i 4GB Flash PCIe
Gen4 12Gb Adapter
• ThinkSystem Broadcom 57508 100GbE
QSFP56 2-port PCIe 4 Ethernet Adapter
• ThinkSystem Mellanox ConnectX-6 Dx
100GbE QSFP56 2-port PCIe Ethernet
Adapter
• ThinkSystem Nvidia ConnectX-7 NDR200/
HDR QSFP112 2-port PCIe Gen5 x16
InfiniBand Adapter
Mode 1
The server operates with sound
pressure level of 45 dBA at 25°C with
proper configuration.
• 2U heat sink is necessary.
• The optimized acoustic performance requires ambient temperature to be
lower than 25°C.
• Throttling might momentarily occur in this mode.
Note: The components listed as "not recommended" in the following tables
usually generate too much heat for the fans to run at a low enough speed to
keep the noise of the system low. If a not-recommended component is
installed and is only lightly loaded, it may still be possible to run the server in
the acoustic mode and lower the system noise.
Mode 2
The server operates with sound
pressure level of 40 dBA at 25°C with
proper configuration.
Recommended ambient temperature lower
than
50°C
45°C
45°C
50°C
Chapter 1
.
Introduction 9