CHAPTER 1
Overview
• Overview, on page 1
• External Features, on page 3
• Status LEDs and Buttons, on page 5
• Serviceable Component Locations, on page 10
• Summary of Server Features, on page 13
Overview
Cisco APIC Server M4 and L4 (APIC-SERVER-M4 and APIC-SERVER-L4)— Server is a one-rack unit
server that can be used standalone, or as part of the Cisco Unified Computing System, which unifies computing,
networking, management, virtualization, and storage access into a single integrated architecture. Cisco UCS
also enables end-to-end server visibility, management, and control in both bare metal and virtualized
environments.
Cisco APIC Server M4 and L4 (APIC-SERVER-M4 and APIC-SERVER-L4)— orderable in two versions:
Cisco APIC Server M4 and L4 (APIC-SERVER-M4 and APIC-SERVER-L4)—Small form-factor (SFF)
drives, with 10-drive HD back-plane front panel configuration.
• Front-loading drive bays 1—10 support 2.5-inch SAS/SATA drives.
• Optionally, front-loading drive bays 1 to 4 support 2.5-inch NVMe SSDs (with optional front NVMe
cables.)
NVMe drives version (UCSC-C225-M6N), with 10-drive NVMe back-plane front panel configuration:
• Front-loading drive bays 1—10 supports 2.5-inch NVMe-only SSDs.
Cisco APIC Server M4 and L4 (APIC-SERVER-M4 and APIC-SERVER-L4) drives, with four-drive backplane.
Supports up to four 3.5-inch SAS/SATA drives. Drive bays 1 and 2 support NVMe SSDs. A size-converter
drive sled is required to hold 2.5-inch SSDs.
Following PCIe Riser combinations are available:
• One half-height riser card in PCIe Riser 1
• Three half-height riser cards in PCIe Riser 1, 2, 3
• Two full-height riser cards Riser 1 and 3
Cisco APIC M4/L4 Server Installation and Service Guide
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