E3.S drive 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 drive bays.
Go to Lenovo Data Center Support, and enter the model name or machine type of your server in the search bar to navigate to the support page.
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.
FRU: 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 is your responsibility. If Lenovo acquires or installs a structural component at your request, you will be charged for the service.
Description | Type | Description | Type |
---|---|---|---|
1 Top cover | T1 | 2 Air baffle | T1 |
3 Riser bracket (low profile, LP) | T1 | 4 Riser bracket (low profile-full height, LP-FH) | T1 |
5 Riser bracket (full height, FH) | T1 | 6 Riser bracket (full height, FH) | T1 |
7 Rear riser bracket (full height, FH) | T1 | 8 Riser 2–1 card | T2 |
9 Riser 2–2 card | T1 | 10 Riser 3 card | T1 |
11 Riser 1 card | T1 | 12 M.2 heat sink | F |
13 M.2 interposer | T2 | 14 M.2 drive tray | C |
15 Front M.2 boot backplane | T2 | 16 Front M.2 cage | T1 |
17 Front M.2 controller board | T2 | 18 E3.S 1T drive cage | T1 |
19 E3.S 2T drive cage | T1 | 20 E3.S 2T drive filler | T1 |
21 E3.S 1T drive filler | T1 | 22 E3.S 1T drive | T1 |
23 E3.S backplane | T2 | 24 E3.S 2T CMM | T1 |
25 Rear M.2 cage | T1 | 26 Rear M.2 backplane | T2 |
27 2 x 2.5-inch rear drive backplane | T2 | 28 2 x 2.5-inch rear drive cage | T1 |
29 Processor and heat sink module filler | C | 30 2 x 2.5-inch rear drive cage air baffle | T1 |
31 Intrusion switch | T1 | 32 System fan-pack (Standard/Performance) | T1 |
33 System fan-pack (Ultra) | T1 | 34 Memory module | T1 |
35 Cold plate cover | C | 36 Processor socket cover | C |
37 MicroSD card | T1 | 38 Security bezel | T1 |
39 M.2 drive | T1 | 40 Chassis | FRU |
41 Processor | FRU | 42 M.2 non-RAID NVMe 2-bay backplane | T2 |
43 M.2 RAID SATA/NVMe 2-bay backplane | T2 | 44 M.2 retainer | T1 |
45 CMOS battery | C | 46 Radiator holder | T1 |
47 Heat sink PEEK nut | T2 | 48 Standard heat sink | FRU |
49 Processor Neptune Air Module (NeptAir) | FRU | 50 Performance heat sink | FRU |
51 Processor Neptune Core Module | FRU | 52 42U in-row hose kit | FRU |
53 Bleeder kit | FRU | 54 Manifolds | FRU |
55 42U/48U in-rack connection hose (return side) | T1 | 56 42U in-rack connection hose (supply side) | FRU |
57 48U in-rack connection hose (supply side) | FRU | 58 Processor board | FRU |
59 PCIe adapter | T1 | 60 System I/O board | FRU |
61 USB I/O board | T1 | 62 Power-supply-unit filler | C |
63 Power supply unit | T1 | 64 OCP module | T1 |
65 Front I/O module (1) | T2 | 66 Front I/O module (2) | T1 |
67 Rack latch (right) | T1 | 68 Rack latch (left) | T1 |
69 External diagnostics handset | T1 | 70 RAID flash power module holder (in riser bracket) | T1 |
71 RAID flash power module holder (on chassis) | T1 | 72 RAID flash power module | T1 |
73 M.2 thermal pad | FRU | 74 Processor board for Compute Complex Neptune Core Module | FRU |
75 Compute Complex Neptune Core Module | FRU | 76 DIMM tool | T1 |
77 Side DIMM bracket | T1 | 78 Middle DIMM bracket 1 | T1 |
79 Middle DIMM bracket 2 | T1 |