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Lenovo ThinkSystem SR655 Server
Product Guide
The Lenovo ThinkSystem SR655 is a 1-socket 2U server that features the new AMD EPYC 7002 "Rome"
family of processors. With up to 64 cores per processor and support for the new PCIe 4.0 standard for I/O,
the SR655 offers the ultimate in single-socket server performance. With up to 128 PCIe lanes, the server is
ideal for workloads that can take advantage of GPU processing and high-performance NVMe drives.
Suggested uses: AI Inference, VDI, OLTP, Analytics, software-defined storage
Figure 1. Lenovo ThinkSystem SR655
Did you know?
By using a high-performance server with only one processor installed, you can take advantage of lower
software costs when the software licensing is using a per-socket model.
The SR655 has been designed to take advantage of the features of the EPYC 7002 "Rome" processors,
such as the full performance of 225W 64-core processors, support for 3200 MHz memory and PCIe Gen
4.0 support. Competitive servers that are based on the older EPYC 7001 "Naples" designs may not be able
to offer these performance features.
Lenovo ThinkSystem SR655 Server 1
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Key features
Combining performance and flexibility, the SR655 server is a great choice for enterprises of all sizes. The
server offers a broad selection of drive and slot configurations and offers high performance features that
industries such as finance, healthcare and telco need. Outstanding reliability, availability, and serviceability
(RAS) and high-efficiency design can improve your business environment and can help save operational
costs.
Scalability and performance
The SR655 offers numerous features to boost performance, improve scalability and reduce costs:
Supports the new AMD EPYC 7002 family of processors
Supports processors with up to 64 cores and 128 threads, core speeds of up to 3.2 GHz, and TDP
ratings of up to 225W.
Support for up to 16 TruDDR4 memory DIMMs, with 8 memory channels and 2 DIMMs per channel.
With 1 DIMM installed per channel (8 DIMMs total), memory operates at up to 3200 MHz. With 2
DIMMs per channel (16 DIMMs total), memory operating at up to 2933 MHz.
Using 64GB DIMMs, the server supports up to 1TB of system memory.
Supports 3 double-width GPUs up to 300W each, or 6 single-width GPUs up to 75W each. A 6:1
ratio of GPUs to CPUs means substantial processing power is available with just one CPU.
Supports up to 32x 2.5-inch hot-swap drive bays, by using combinations of front-accessible (up to
24 bays), mid-accessible (up to 8), and rear-accessible (up to 4) drive bays.
Supports 3.5-inch drive bays for lower-cost high-capacity storage. 2.5-inch and 3.5-inch drive bays
can be mixed in several combinations.
Supports 16x SATA drives using the onboard SATA controller (no additional adapter needed),
enabling lower cost, high capacity storage solution for cold storage workloads.
Supports up to 28x NVMe drives without oversubscription of PCIe lanes (1:1 connectivity), or up to
32x NVMe drives with a 2:1 oversubscription. The use of NVMe drives maximizes drive I/O
performance, in terms of throughput, bandwidth, and latency.
Supports high-speed RAID controllers from Broadcom providing 12 Gb SAS connectivity to the drive
backplanes. A variety of RAID adapters are available, with cache and support for up to 24 drives on
a single controller.
Supports M.2 drives for convenient operating system boot functions or data storage. Available M.2
adapters support either one M.2 drive or two M.2 drives in a RAID 1 configuration for performance
and reliability.
The server has a dedicated industry-standard OCP 3.0 small form factor (SFF) slot, with a PCIe 4.0
x16 interface, supporting a variety of Ethernet network adapters. Simple-swap mechanism with
thumbscrews and pull-tab enables tool-less installation and removal of the adapter. Supports
shared BMC network sideband connectivity to enable out-of-band systems management.
The server offers PCI Express 4.0 I/O expansion capabilities that doubles the theoretical maximum
bandwidth of PCIe 3.0 (16GT/s in each direction for PCIe 4.0, compared to 8 GT/s with PCIe 3.0). A
PCIe 4.0 x16 slot provides 64 GB/s bandwidth, enough to support a 400GbE network connection.
A total of up to 9 PCIe 4.0 slots (8 with rear access, 1 internal for a RAID adapter) plus a slot
dedicated to the OCP adapter.
Lenovo ThinkSystem SR655 Server 2
Availability and serviceability
The SR655 provides many features to simplify serviceability and increase system uptime:
The server uses ECC memory and supports memory RAS features including Single Device Data
Correction (SDDC, also known as Chipkill), Patrol/Demand Scrubbing, DRAM Address Command
Parity with Replay, and DRAM Uncorrected ECC Error Retry.
The server offers hot-swap drives, supporting RAID redundancy for data protection and greater
system uptime.
The M.2 SATA RAID Boot Adapter supports RAID-1 which enables two installed M.2 drives to be
configured as a redundant pair.
The server has up to two hot-swap redundant power supplies and six hot-swap redundant fans to
provide availability for business-critical applications.
The power-source-independent light path diagnostics uses LEDs to lead the technician to failed (or
failing) components, which simplifies servicing, speeds up problem resolution, and helps improve
system availability.
Solid-state drives (SSDs) offer more reliability than traditional mechanical HDDs for greater uptime.
The built-in ASPEED AST2500 baseboard management controller (BMC) continuously monitors
system parameters, triggers alerts, and performs recovery actions in case of failures to minimize
downtime.
Proactive Platform Alerts: Voltage regulators, memory, fans, power supplies, server ambient and
subcomponent temperatures. Alerts can be surfaced through the BMC to managers such as Lenovo
XClarity Administrator. These proactive alerts let you take appropriate actions in advance of possible
failure, thereby increasing server uptime and application availability.
Web-based ThinkSystem System Manager (TSM) provides remote access to the BMC for remote
management.
Lenovo XClarity Provisioning Manager Lite (LXPM Lite) tool can be used to install an operating
system on the server and perform system diagnostics.
Three-year or one-year customer-replaceable unit and onsite limited warranty, 9 x 5 next business
day. Optional service upgrades are available.
Manageability and security
Systems management features simplify local and remote management of the SR655:
Supports Lenovo XClarity Provisioning Manager Lite (LXPM Lite) for system setup and firmware
upgrades.
An integrated industry-standard Unified Extensible Firmware Interface (UEFI) enables improved
setup, configuration, and updates, and simplifies error handling.
Support for industry standard management protocols, IPMI 2.0, SNMP 3.0, Redfish REST API, serial
console via IPMI
An integrated hardware Trusted Platform Module (TPM) supporting TPM 2.0 enables advanced
cryptographic functionality, such as digital signatures and remote attestation.
Administrator and power-on passwords help protect from unauthorized access to the server.
Support for Lenovo XClarity Energy Manager, which captures real-time power and temperature data
from the server and integrates with Redfish-based applications to provide automated controls to
lower energy costs.
Supports AMD Secure Root-of-Trust, Secure Run and Secure Move features to minimize potential
attacks and protect data as the OS is booted, as applications are run and as applications are
migrated from server to server.
Supports Secure Boot to ensure only a digitally signed operating system can be used.
Lenovo ThinkSystem SR655 Server 3
Specyfikacje produktu
| Marka: | Lenovo |
| Kategoria: | serwer |
| Model: | ThinkSystem SR655 |
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