| Chassis | Two rack unit (2RU) chassis |
| CPU | One or two Intel Xeon E5-2600 v3 or v4 series processor family CPUs |
| Chipset | Intel® C610 series chipset |
| Memory | 24 slots for registered ECC DIMMs (RDIMMs) or load-reduced DIMMs (LRDIMMs) |
| Multi-bit Error Protection | This server supports multi-bit error protection. |
| Expansion slots | Up to six PCIe slots (on two riser cards)- Riser 1 (PCIe slots 1, 2, and 3), controlled by CPU 1
- Option A: Two slots available. Slot 1 = full height, 3/4 length, x8, NCSI 1 . Slot 2 = full height, full length, x16, NCSI, GPU capable. NCSI is supported on only one slot at a time.
- Option B: Three slots available. Slot 1 = full height, 3/4 length, x8. Slot 2 = full height, full length, x8, NCSI. Slot 3 = full height, full length, x8.
- Option C: Two slots available. Slot 1 = full height, 3/4 length, x8, NCSI. Slot 2 = full height, full length, x16, NCSI. In addition, the riser contains two connectors for connecting up to two SATA boot drives.
- Riser 2 (PCIe slots 4, 5, and 6), controlled by CPU 2. Three slots available. Slot 4 = full height, 3/4 length, x8, NCSI. Slot 5 = full height, full length, x16, NCSI, GPU capable. Slot 6 = full height, full length, x8. NCSI is supported on only one slot at a time.
- Dedicated RAID controller slot
- An internal slot is reserved for the Cisco 12G SAS Modular RAID controller.
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| PCIe Interposer Board | An optional interposer board inside the chassis containing two mini-SAS HD connectors allows two front-mount NVMe SFF 2.5” drives to mount in drive bays 1 and 2 (only) and connect to the PCIe bus of CPU2. |
| Video | The Cisco Integrated Management Controller (CIMC) provides video using the Matrox G200e video/graphics controller:- Integrated 2D graphics core with hardware acceleration
- DDR2/3 memory interface supports up to 512 MB of addressable memory (8 MB is allocated by default to video memory)
- Supports display resolutions up to 1920 x 1200 16bpp @ 60Hz
- High-speed integrated 24-bit RAMDAC
- Single lane PCI-Express host interface running at Gen 1 speed
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| Internal storage devices | Drives are installed into front-panel drive bays that provide hot-pluggable access.- Small Form Factor (SFF) drives. The server can hold up to:
- 24 2.5 inch (63.5 mm) SAS/SATA hard drives (HDDs) or SAS/SATA solid state drives (SSDs) 2 with the 24-drive backplane (with expander) server configuration, plus two optional internal 2.5 inch SATA SSDs for booting an OS.
- 6 2.5 inch (63.5 mm) SAS/SATA HDDs or SAS/SATA SSDs with the 16-drive backplane (with expander) server configuration
- 8 2.5 inch (63.5 mm) SAS/SATA HDDs or SAS/SATA SSDs with the 8-drive backplane server (no expander) configuration.
- NVMe SFF 2.5” drives These drives can placed in front drive bays 1 and 2 only.
- The server also contains one internal USB 3.0 port on the motherboard that you can use with an optional 16 GB USB thumb drive for additional storage
- UCS Storage Accelerators are also available. These PCIe plug-in flash storage cards provide independent high-speed storage.
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| Cisco Flexible Flash drives | The server supports up to two internal 32 GB or two internal 64 GB Cisco Flexible Flash drives (SD cards).
The second SD card is blank and can be used to mirror the first SD card. It can be used to protect the Hypervisor Partition with RAID1. |
| Interfaces | - Rear panel
- One DB15 VGA connector
- One RJ45 serial port connector
- Two USB 3.0 port connectors
- One RJ-45 10/100/1000 Ethernet management port, using Cisco Integrated Management Controller (CIMC) firmware
- Two Intel i350 embedded (on the motherboard) GbE LOM ports
- One flexible modular LAN on motherboard (mLOM) slot that can accommodate various interface cards
- Various PCIe card ports (dependent on which cards are installed)
- Virtual Interface Card (VIC) ports
- Converged Network Adapter (CNA) ports
- Network Interface Card (NIC) ports
- Host Bus Adapter (HBA) ports
- Front panel
- One KVM console connector (supplies two USB 2.0 connectors, one VGA DB15 video connector, and one serial port (RS232) RJ45 connector)
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| Power subsystem | Up to two of the following hot-swappable power supplies:- 650 W (AC)
- 1200 W (AC)
- 1400 W (AC)
One power supply is mandatory; one more can be added for 1 + 1 redundancy. |
| Storage controller | Embedded Software RAID (6 Gbps)- Embedded SATA-only RAID controller, supporting up to 8 SATA-only drives (RAID 0, 1), or
- Embedded Software RAID 5 key upgrade, supporting up to 8 SATA-only drives (RAID 0, 1, 10, 5)
Note that embedded RAID options can be supported only with the version of the C240 M4 SFF server that has been configured with an 8-drive backplane.
Cisco 12G SAS Modular RAID controller card with internal SAS connectivity.- Supports up to 24 internal drives
- Plugs into a dedicated RAID controller slot
Can be purchased alone, or along with an onboard Flash-Backed Write Cache (FBWC) upgrade option, as shown in the table below| Notes |
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| RAID Card Version | Supported RAID Levels | Onboard FBWC |
|---|
| UCSC-MRAID12G [1] | JBOD, 0, 1, 10 | None | | UCSC-MRAID12G-1GB [2] | JBOD, 0, 1, 10, 5, 6, 50, 60 | 1 GB | | UCSC-MRAID12G-2GB [2] | JBOD, 0, 1, 10, 5, 6, 50, 60 | 4 GB | | 1. Base RAID controller card (RAID 0, 1, 10 only) | | 2. FBWC option for base RAID controller card (adding the FBWC option extends the RAID levels) |
All versions of the UCSC-MRAID12G RAID controller support up to 24 internal SAS drives on the 24-drive backplane version of the server, up to 16 drives on the 16-drive backplane version, or up to 8 drives on the 8-drive backplane version. |
| WoL | The 1-Gb Base-T Ethernet LAN ports support the wake-on-LAN (WoL) standard. |
| Front Panel | A front panel controller provides status indications and control buttons |
| ACPI | This server supports the advanced configuration and power interface (ACPI) 4.0 standard. |
| Fans | Chassis: Six hot-swappable fans for front-to-rear cooling |
| Boot drives | Up to two optional SATA drives can be installed internal to the chassis on riser 1. The two SATA boot drives are supported only on the 24-drive backplane chassis version and are managed in AHCI mode, using OS-based software RAID. |
| Storage controller | Cisco 12 Gbps Modular SAS HBA with internal SAS connectivity- Supports up to 24 internal drives
- Is compatible with all backplane versions (8-, 16-, and 24-drive backplanes)
- Plugs into a dedicated PCIe slot at the rear of the server (slot 1 of riser 1)
- Supports JBOD only, not RAID, as shown in the below table.
| HBA Card Version | Supported RAID Levels |
|---|
| UCSC-SAS12GHBA | JBOD only |
Cisco 9300-8E 12G SAS HBA with external SAS connectivity- Provides 8 external SAS ports
- Plugs into a PCIe slot at the rear of the server
- No FBWC (cache) or cache power backup
- SAS 3.0 compliant
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| Embedded NIC | Two embedded (on the motherboard) Intel i350 GbE ports, supporting the following:- Pre-Execution Boot (PXE boot)
- iSCSI boot
- Checksum and segmentation offload
- NIC teaming
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| Modular LAN on Motherboard (mLOM) slot | The mLOM slot can flexibly accommodate the following cards:- Cisco Virtual Interface Cards (VIC)
- Quad Port Intel i350 1GbE RJ45 Network Interface Card (NIC)
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| Integrated management processor | Baseboard Management Controller (BMC) running Cisco Integrated Management Controller (CIMC) firmware.
Depending on your CIMC settings, the CIMC can be accessed through the 1-GbE dedicated management port, the 1-GbE LOM ports, or a Cisco virtual interface card (VIC). |
| Footer |
| The four Intel i350 ports are provided on an optional card that plugs into the mLOM slot, and are separate from the two embedded (on the motherboard) LAN ports |
| NCSI = Network Communications Services Interface protocol. An NCSI slot is powered even when the server is in standby power mode. |
| The drives are available as both self-encrypted drives (SED) and non self-encrypted drives. |
C240 M4 8x2.5" Chassis 
Cisco C-Series C240 M4 16x2.5 Chassis
Cisco C-Series C240 M4 24x2.5 Chassis
Riser Card 1 option A
Riser Card 1 option B
Riser Card 1 option C
Riser Card 2
