Drive tray screws (two on each side)3Ejector lever1
Drive removed from drive tray4Release button2
Replacing a Front-Loading NVMe SSD
This section is for replacing 2.5-inch or 3.5-inch form-factor NVMe solid-state drives (SSDs) in front-panel
drive bays. To replace HHHL form-factor NVMe SSDs in the PCIe slots, see Replacing HHHL Form-Factor
NVMe Solid State Drives, on page 20.
Front-Loading NVMe SSD Population Guidelines
The front drive bay support for 2.5- or 3.5-inch NVMe SSDs differs by server PID:
• UCSC-220-M5SX—Small form-factor (SFF) drives, with 10-drive backplane. Drive bays 1 and 2 support
2.5-inch NVMe SSDs.
• UCSC-220-M5SN—SFF drives, with 10-drive backplane. Drive bay 1 - 10 support 2.5-inch NVMe-only
SSDs.
• UCSC-220-M5L—Large form-factor (LFF) drives, with four-drive backplane. Drive bays 1 and 2 support
2.5-inch and 3.5-inch NVMe SSDs. If you use 2.5-inch NVMe SSDs, a size-converter drive tray
(UCS-LFF-SFF-SLED2) is required for this version of the server.
Front-Loading NVME SSD Requirements and Restrictions
Observe these requirements:
• The server must have two CPUs. PCIe riser 2 is not available in a single-CPU system. PCIe riser 2 has
connectors for the cable that connects to the front-panel drive backplane.
• PCIe cable CBL-NVME-C220FF. This is the cable that carries the PCIe signal from the front-panel drive
backplane to PCIe riser 2. This cable is for all versions of this server.
• Hot-plug support must be enabled in the system BIOS. If you ordered the system with NVMe drives,
hot-plug support is enabled at the factory.
• The NVMe-optimized, SFF 10-drive version, UCSC-C220-M5SN, supports NVMe drives only. This
version of the server comes with an NVMe-switch card factory-installed in the internal mRAID riser for
support of NVMe drives in slots 3 - 10. The NVMe drives in slots 1 and 2 are supported by PCIe riser
2. The NVMe switch card is not orderable separately.
Observe these restrictions:
• NVMe SFF 2.5- and 3.5-inch SSDs support booting only in UEFI mode. Legacy boot is not supported.
For instructions on setting up UEFI boot, see 4K Sector Format SAS/SATA Drives Considerations, on
page 14.
• You cannot control NVMe PCIe SSDs with a SAS RAID controller because NVMe SSDs interface with
the server via the PCIe bus.
Maintaining the Server
16
Maintaining the Server
Replacing a Front-Loading NVMe SSD
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