Lenovo ThinkSystem SR655 Manual
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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
Produkt Specifikationer
| Mærke: | Lenovo |
| Kategori: | Server |
| Model: | ThinkSystem SR655 |
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