Lenovo-IBM System x3650 M5

Description

The IBM System x3650 M5 is an enterprise-class rack server engineered to deliver a strong combination of processing performance, memory scalability, storage flexibility, and reliability in a compact 2U form factor. The platform was designed for demanding data-center environments and supports workloads including virtualization, cloud infrastructure, databases, analytics, big data, virtual desktop infrastructure, and business-critical applications.

The server supports up to two Intel Xeon E5-2600 v3 or v4 processors, depending on the specific machine type and configuration. The v4-based models can provide up to 22 cores per processor, while the platform supports Intel Hyper-Threading and Turbo Boost technologies on applicable processors.

For memory-intensive applications, the x3650 M5 provides 24 DIMM slots, supporting DDR4 RDIMM and LRDIMM memory. Depending on the installed memory type and processor configuration, capacity can reach 768 GB with RDIMMs or up to 1.5 TB with LRDIMMs. ECC and Chipkill technologies provide additional memory reliability for enterprise workloads.

Storage configurations are highly flexible. Depending on the chassis configuration, the server can support 2.5-inch SFF or 3.5-inch LFF drives, including SAS and SATA HDDs/SSDs, with selected configurations supporting NVMe PCIe SSDs. Lenovo documentation lists configurations supporting up to 28 SFF drives or various combinations of LFF and SFF drives.

The x3650 M5 also provides extensive I/O expansion, with up to eight PCIe 3.0 expansion slots depending on configuration. Integrated networking includes four Gigabit Ethernet ports, while optional ML2 adapters can provide higher-speed 10 GbE or 40 GbE connectivity.

Enterprise storage protection is provided through IBM ServeRAID controllers, with supported configurations offering RAID levels such as RAID 0, 1, 10, 5, 50, 6, and 60. Optional flash-backed cache can further improve storage performance and data protection.

Key Specifications

Feature	Specification
Product	IBM System x3650 M5
Product Type	Enterprise Rack Server
Form Factor	2U Rack
Processor	Up to 2 × Intel Xeon E5-2600 v3/v4
Maximum Cores	Up to 22 cores per processor, model dependent
Chipset	Intel C612
DIMM Slots	24
Memory	DDR4 RDIMM / LRDIMM
Maximum Memory	Up to 1.5 TB LRDIMM
Memory Speed	Up to 2400 MHz, model dependent
Storage	SAS / SATA HDD & SSD; NVMe in supported configurations
Drive Bays	Configuration dependent; up to 28 SFF or various LFF/SFF configurations
RAID	ServeRAID; RAID 0/1/10 and optional RAID 5/50/6/60
Expansion	Up to 8 × PCIe 3.0 slots
Networking	4 × Gigabit Ethernet; optional 10/40GbE
Management	Integrated systems management processor
Power	750W / 900W options, configuration dependent
Power Redundancy	Optional redundant hot-swap power supplies
Operating System	Windows Server, Linux, VMware and other supported platforms
Rack Compatibility	Standard 19-inch rack

Specifications vary by machine type and chassis configuration. IBM/Lenovo documentation identifies multiple x3650 M5 variants, including 5462 and 8871, so the exact drive bays, processor support, memory speed, and power configuration should be matched to the specific unit.

Key Features & Benefits

2U enterprise rack-server design
Supports dual Intel Xeon E5-2600 v3/v4 processors
Up to 44 physical CPU cores with supported 22-core processors
Up to 1.5 TB DDR4 LRDIMM memory
24 DIMM slots for substantial memory scalability
Flexible SAS/SATA/NVMe storage options
Multiple hot-swap drive configurations
Advanced ServeRAID storage protection
Up to 8 PCIe 3.0 expansion slots
Integrated quad Gigabit Ethernet
Optional 10GbE and 40GbE networking
Redundant and hot-swappable power options
Designed for 24/7 enterprise operation
Suitable for virtualization, databases, cloud, analytics, and business-critical workloads