Lenovo 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 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. Right-sized, without compromise AMD EPYC™ 7002 Generation 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. 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. Specifications Form Factor/Depth 2U / 764 mm (30 inches) Processor Choice of one AMD EPYC™ 7002 Generation processor, up to 225W Memory 16x DDR4 memory slots; Maximum 1TB 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 rear slots, 1x OCP 3.0 adapter slot, 1x PCIe 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. Limited Warranty 1- and 3-year customer replaceable unit and onsite service, next business day 9x5, optional service upgrades