E3.S bay chassis
Use the parts list in this section to identify each of the components that are available for server models with E3.S front bays.
Go to Lenovo Data Center Support and navigate to the support page for your server.
Click
.Enter the serial number to view a listing of parts for your server.
It is highly recommended that you check the power summary data for your server using Lenovo Capacity Planner before purchasing any new parts.

T1: Tier 1 customer replaceable unit (CRU). Replacement of Tier 1 CRUs is your responsibility. If Lenovo installs a Tier 1 CRU at your request with no service agreement, you will be charged for the installation.
T2: Tier 2 customer replaceable unit (CRU). You may install a Tier 2 CRU yourself or request Lenovo to install it, at no additional charge, under the type of warranty service that is designated for your server.
F: Field replaceable unit (FRU). FRUs must be installed only by trained service technicians.
C: Consumable and Structural parts. Purchase and replacement of consumable and structural parts (components, such as a filler or bezel) is your responsibility. If Lenovo acquires or installs a structural component at your request, you will be charged for the service.
For details about riser cages (3), see Rear riser assembly and PCIe adapter replacement.
For details about riser cards (4), see PCIe slots and PCIe adapters. The riser card for slot 1/2/9/10 is a FRU, and other riser cards are T1 CRUs.
For details about GPU air baffle fillers (5), see GPU replacement.
For details about rack latches (34), see Front view.
Description | Type | Description | Type |
---|---|---|---|
1a Manifolds | F | 1b 42U/48U in-rack connection hose (return side) | F |
1c 48U in-rack connection hose (supply side) | F | 1d 42U in-rack connection hose (supply side) | F |
1e 42U in-row hose kit | F | 1f Bleeder kit | F |
2a Cold plate cover | C | 2b Processor Neptune Core Module | F |
2c 1FH bracket for Neptune Core Module | C | 2d Hose holder | C |
2e 3FH riser cage for Neptune Core Module | C | 2f Middle DIMM bracket 1 | T1 |
2g Middle DIMM bracket 2 | T1 | 2h Side DIMM bracket | T1 |
2i Compute Complex Neptune Core Module | F | 2j DIMM tool | T1 |
2k Processor board for Compute Complex Neptune Core Module | F | 3 Riser cages | C |
4 Riser cards | T1/F | 5 GPU air baffle fillers | C |
6 GPU air baffle | T1 | 7 PCIe adapter | T1 |
8 RAID flash power module (supercap) | T1 | 9 Standard air baffle filler | C |
10 Standard air baffle | T1 | 11 OCP module | T1 |
12 Rear M.2 backplane | T2 | 13 3FH M.2 riser cage | C |
14 1FH M.2 riser cage | C | 15 M.2 heat sink | F |
16 M.2 drive | T1 | 17 M.2 thermal pad | F |
18 M.2 interposer | T2 | 19 M.2 drive tray | C |
20 Front M.2 controller board | F | 21 Front M.2 boot backplane | F |
22 Front M.2 cage frame | C | 23 Front M.2 cage | C |
24 E3.S 1T drive cage | C | 25 E3.S 1T drive | T1 |
26 E3.S 1T drive filler | C | 27 E3.S backplane | T2 |
28 E3.S 2T CMM cage | C | 29 E3.S 2T CMM | T1 |
30 E3.S 2T CMM filler | C | 31 External diagnostics handset | T1 |
32 Security bezel | T1 | 33 E3.S bezel | T1 |
34 Rack latches | T1 | 35 M.2 retainer | T2 |
36 Chassis | F | 37 M.2 non-RAID NVMe 2-bay backplane | T2 |
38 M.2 RAID SATA/NVMe 2-bay backplane | T2 | 39 Fan | T1 |
40 Fan cage | C | 41 CMOS battery (CR2032) | C |
42 2U cable wall | C | 43 Memory module | T1 |
44 Heat sinks | F | 45 Top cover | T1 |
46 Power supply unit | T1 | 47 Processor | F |
48 Processor socket cover | C | 49 Processor and heat sink module filler | C |
50 Processor board | F | 51 MicroSD card | T1 |
52 System I/O board (DC-SCM) | F | 53 USB I/O board | T1 |