2.5-inch drive bay chassis
Use the parts list in this section to identify each of the components that are available for server models with 2.5-inch front drive bays.
For more information about ordering the parts shown in Figure 1:
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.
| Description | Type | Description | Type |
|---|---|---|---|
| 1 Top cover | T1 | 2 Rear 4 x 2.5-inch drive cage | T1 |
| 3 Rear 8 x 2.5-inch drive cage | T1 | 4 Riser cages:
| T1 |
5 Riser cards:
|
| 6 PCIe adapter | T1 |
| 7 Power supply | T1 | 8 Serial port module | T1 |
| 9 Processor | F | 10 Memory module | T1 |
11 Heat sinks
| F | 12 Heat sink PEEK nut | T2 |
| 13 Rear wall brackets | C | 14 7mm drive | T1 |
| 15 7mm drive bay filler | C | 16 7mm drive cage (2FH + 7mm) | T1 |
| 17 7mm drive cage (1U) | T1 | 18 7mm drive backplanes | T2 |
| 19 OCP 3.0 Ethernet adapter | T1 | 20 OCP Enablement Kit for vSphere DSE | T1 |
| 21 CFF RAID adapter/expander | T2 | 22 M.2 drive backplane | T1 |
| 23 M.2 drive | T1 | 24 M.2 retainer clip | T1 |
| 25 CMOS battery (CR2032) | C | 26 RAID flash power module holder | C |
| 27 RAID flash power module | T1 | 28 TPM adapter (for Chinese Mainland only) | F |
| 29 Left rack latch with VGA and external diagnostic connector | T1 | 30 Right rack latch with front I/O assembly | T1 |
| 31 Standard right rack latch | C | 32 Standard left rack latch with external diagnostic connector | T1 |
| 33 External diagnostic handset | T1 | 34 Intrusion switch | T1 |
| 35 Security bezel | T1 | 36 Integrated diagnostics panel | T1 |
| 37 Front I/O assembly with integrated diagnostics panel | T1 | 38 4 x 2.5-inch drive filler | C |
| 39 8 x 2.5-inch drive filler | C | 40 2.5-inch drive | T1 |
| 41 2.5-inch drive filler | C | 42 Chassis | F |
| 43 Rear 8 x 2.5-inch drive backplane | T1 | 44 Middle/Rear 4 x 2.5-inch drive backplane | T1 |
| 45 Front 8 x 2.5-inch drive backplane | T1 | 46 Fan cage | T1 |
47 Fan module
| T1 | 48 System board | F |
| 49 Middle 8 x 2.5-inch drive cage | T1 | 50 Air baffle filler (for standard air baffle) | C |
| 51 Add-on air baffle (for GPU air baffle) | T1 | 52 Air baffle filler (for GPU air baffle) | C |
| 53 Standard air baffle | T1 | 54 GPU air baffle | T1 |