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The UCS C240 M4 Large form factor (LFF) server is a 2U rack server from Cisco, designed for both performance and expandability over a wide range of storage-intensive infrastructure workloads from big data to collaboration.
The enterprise-class UCS C240 M4 LFF server extends the capabilities of Cisco’s Unified Computing System portfolio in a 2U form factor with the addition of the Intel® Xeon E5-2600 v3 and v4 series processor family that delivers the best combination of performance, flexibility, and efficiency gains. In addition, the UCS C240 M4 LFF server provides 24 DIMM slots, up to 6 PCI Express (PCIe) 3.0 slots, up to 12 front-loading drives plus two (optional) internal SATA boot drives for a total of 14 internal drives.
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C240 M4 8x2.5" Chassis
Cisco C-Series C240 M4 16x2.5 Chassis
Cisco C-Series C240 M4 24x2.5 Chassis
The C240 M4 server includes a modular LAN on motherboard (mLOM) slot for installation of a Cisco Virtual Interface Card (VIC) or third-party network interface card (NIC) without consuming a PCI slot in addition to 2 x 1 GbE embedded (on the motherboard) LOM ports. These features combine to provide outstanding levels of internal memory and storage expandability along with exceptional performance.
The Cisco UCS C240 M4 server 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 enabling end-to-end server visibility, management, and control in both bare metal and virtualized environments.
Riser Card 1 option ASlot 1 FH-3/4 x8 NCSI-Yes
Slot 2 FH-FL x16 NCSI-Yes
Slot 3 No slot available
GPU capable slot 2
NCSI supported in only one slot at a time (default slot 2). If a GPU card is present in slot 2, NCSI support automatically moves to slot 1
Riser Card 1 option BSlot 1 FH-3/4 x8 NCSI-No
Slot 2 FH-FL x16 NCSI-Yes
Slot 3 FH-FL x8 NCSI-No
No GPUs are supported on this riser. There is no GPU power connector in this version. Use riser version 1A for GPU cards
Riser Card 1 option CSlot 1 FH3/4 x8 NCSI-Yes
Slot 2 FHFL x16 NCSI-Yes
Slot 3 2xSATA Boot Drives
There is no PCIe connector in slot 3; instead, there are two connectors available for connecting SATA boot drives.
Riser Card 2Slot 1 FH3/4 x8 NCSI-Yes
Slot 2 FHFL x16 NCSI-Yes
Slot 3 No slot available
GPU capable slot 5
NCSI supported in only one slot at a time (default slot 5). If a GPU card is present in slot 5, NCSI support automatically moves to slot 4.

All GPU cards require two CPUs and a minimum of two power supplies in the server.
If you order one or two boot drives, you can order a maximum of one GPU and it must be installed in Riser 2 slot 5.
(UCSC-PCI-2-C240M4)
NVIDIA GRID K1 and K2 GPUs can be mixed.
No other GPU mixing is allowed.
K1/K2/K40 Power Cable UCSC-GPUCBL-240M4
K80 or M60 GPU must select Power Cable UCS-300WKIT-240M4
K80 or M60 GPU must select two 1400 W power supplies
Slot 5 on riser card 2 is the required slot for the first GPU
Slot 2 on riser card 1 is the secondary slot for a second GPU.
Do not install more than fourteen 64-GB DIMMs when using an NVIDIA GPU card in this server.
| Parameter | Value |
|---|---|
| Height | 3.43 in. (8.70 cm) |
| Width (including slam latches) | 17.65 in. (44.8 cm) Including handles: 18.96 in. (48.2 cm) |
| Depth | 29.0 in. (73.8 cm) Including handles: 30.18 in. (76.6 cm) |
| Front Clearance | 3 in. (76 mm) |
| Side Clearance | 1 in. (25 mm) |
| Rear Clearance | 6 in. (152 mm) |
| Weight1 | Maximum (12 HDDs, 2 CPUs, 24 DIMMs, 2 power supplies): 67.5 lbs (30.6 kg) Minimum (1 HDD, 1 CPU, 1 DIMM, 1 power supply): 39.2 lbs (17.8 kg) Bare (0 HDD, 0 CPU, 0 DIMM, 1 power supply): 35.9 lbs (16.3 kg) |
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