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Fujitsu PRIMERGY CX400 M6

CurrentServers2U 4-node
Fujitsu PRIMERGY CX400 M62U 4-node24 × SFF 2.5" bays64 DIMMs

The Fujitsu PRIMERGY CX400 M6 is a 2U multi-node chassis supporting four dual-socket PRIMERGY CX2560 M6 server nodes powered by 3rd Gen Intel Xeon Scalable processors. Engineered for extreme compute density in hyperconverged virtualization and financial analytics, it provides shared redundant Titanium power supplies and PCIe 4.0 expansion per node.

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Specifications

BrandFujitsu
FamilyPRIMERGY CX
Form factor2U 4-node
ReleasedJun 2021
Form factor2U 4-node
Sockets8
Processor familyIntel Xeon Scalable (3rd Gen)
Memory slots64
Max memory16TB DDR4-3200
Drive baysUp to 24x 2.5-inch hot-plug NVMe/SAS/SATA
Power supplies2x 2400W/3000W Redundant Titanium

Generations

Works together

How the Fujitsu PRIMERGY CX400 M6 connects to servers, storage and the network: 4 ways, with the parts and products on each path.

Fibre Channel SANiSCSI and NVMe/TCP over EthernetDirect-attached SASFile storage (NFS and SMB)

Fibre Channel SAN

Match the speed: 16Gb and 32Gb FC HBAs, switches and array ports work together, and each generation also runs one or two speeds below its own (a 32Gb port runs at 16Gb and 8Gb).

Switches

Storage

Optics

Fibre Channel SAN: how it fits together

iSCSI and NVMe/TCP over Ethernet

Keep the speed the same at all three points: a 25GbE server, a 25GbE switch port and a 25GbE array port. Mixed speeds work but the slowest link sets the pace.

Switches

Storage

Optics

iSCSI and NVMe/TCP over Ethernet: how it fits together

Direct-attached SAS

12Gb SAS uses Mini-SAS HD (SFF-8644) connectors; older 6Gb gear uses Mini-SAS (SFF-8088). Adapter cables exist, but the link runs at the slower speed.

Storage

Direct-attached SAS: how it fits together

File storage (NFS and SMB)

Front-end ports face the clients; back-end ports (on scale-out systems) connect the nodes to each other and need their own switch pair.

Switches

Storage

Optics

File storage (NFS and SMB): how it fits together

Plan and size it

Check compatibility with Fujitsu

Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Fujitsu has tested with the Fujitsu PRIMERGY CX400 M6.

Equivalent models from other brands

FAQ

What server node models are compatible with the CX400 M6 enclosure?

The chassis houses four CX2560 M6 server nodes or two liquid-cooled CX2580 M6 nodes.

What PCIe generation is supported in each node?

Each CX2560 M6 node delivers two PCIe 4.0 slots and an OCP 3.0 compliant networking mezzanine slot.

Buying or selling PRIMERGY CX400 M6?

New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.

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Sources