ThinkSystem SR655 Rack Server

1P/2U Optimized for VDI and SDI

Large memory capacity
Vast storage capacity
Expansive GPU capacity
Versatile storage configurations/AnyBay
Flexible I/O configurations
Scalable networking configurations
Enterprise-class RAS features
ThinkShield Security

Lenovo ThinkSystem SR655 Rack Server - front facing left

Models

Features

Future-defined data center

Lenovo delivers cost-effective, reliable and scalable solutions by combining industry-leading technology and the world’s best software-defined offerings with Lenovo ThinkShield and XClarity to manage the lifecycle of your data center needs.

Lenovo ThinkSystem SR655 Rack Server - cover off, top front facing left

Right-sized, without compromise

AMD EPYC™ 7002 / 7003 Series processors are the world’s first 7nm datacenter CPUs with up to 64 cores and 128 lanes of PCIe Gen 4. Suitable to tackle dense virtualization, hosting and software-defined storage applications, they deliver up to 2x performance and 4x floating point capability versus the previous generation.

Lenovo ThinkSystem SR655 Rack Server - front facing 4 stack

Flexible design

ThinkSystem SR655 is a multi-GPU optimized rack server, with support for up to 6 single-wide GPUs providing 200% more workload acceleration in AI, SDI and VDI instances. Capacity for up to 32x 2.5” low-latency NVMe drives that pairs well with the demands of low-latency, high-bandwidth storage such as clustered SAN solutions and software-defined storage. Eight PCIe Gen4 slots offer 2x faster I/O and support for 16 DIMMs with 2TB of DDR4 memory capacity ensure the SR655 is ideal for high performance database applications.

3D Tour

Tech Specs

Form Factor/Depth	2U / 764 mm (30 inches)
Processor	Choice of one AMD EPYC^™ 7002 / 7003 Series processors, up to 280W
Memory	16x DDR4 memory slots; Maximum 2TB using 128GB 3DS RDIMMs; Up to 1 DPC at 3200MHz, 2 DPC at 2933MHz
Drive Bays	Up to 20x 3.5" or 32x 2.5" drives; Maximum of 32x NVMe drives with 1:2 connection
RAID Support	Hardware RAID flash cache; HBAs
Power Supply	Two hot-swap/redundant: 550W/750W/1100W AC 80 PLUS Platinum; or 750W AC 80 PLUS Titanium
Network Interface	OCP 3.0 mezz adapter, PCIe adapters
Slots	8x PCIe 4.0 rear slots, 1x OCP 3.0 adapter slot, 1x PCIe 4.0 x8 internal slot
Ports	Front: 2x USB 3.1 G1 ports, 1x VGA (optional) Rear: 1x VGA, 2x USB 3.1 G1, 1x Serial port; 1x RJ-45 1Gb for dedicated management
Systems Management	ASPEED AST2500 BMC, Partial XClarity support
Operating Systems	Microsoft Windows Server, SUSE Linux Enterprise Server, Red Hat Enterprise Linux, VMware vSphere. Visit lenovopress.com/osig for details.
Limited Warranty	1- and 3-year customer replaceable unit and onsite service, next business day 9x5, optional service upgrades

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