Table 14. Parts list (continued)
Index Description
Tier 1 CRU Tier 2 CRU
FRU
Consuma-
ble and 
Structural 
part
26
USB front panel module
√
27
2.5-inch drive
√
28
8-bay 2.5-inch drive filler 
√
29
4-bay 2.5-inch drive filler 
√
30
2.5-inch drive filler 
√
31
Front VGA assembly
√
32
Processor
√
33
Heat sink Torx T30 
√
34
Heat sink 
√
35
Persistent Memory Module (PMEM)
√
36
DRAM DIMM
√
37
Dual-fan module
√
38
Single-fan module
√
39
2.5-inch 8-bay SAS/SATA backplane
√
40
2.5-inch 8-bay AnyBay/NVMe backplane
√
41
Chassis
√
42
Drive backplane carrier
√
43
Intrusion switch
√
44
Power backplane
√
45
Fan cage
√
46
System board
√
47
Chassis air baffle 
√
48
PCIe expansion tray
√
49
System air baffle
√
50
Processor and memory expansion tray
√
51
CMOS battery (CR2032)
√
40 ThinkSystem SR860 V2Setup Guide