The 2U Lenovo ThinkSystem SR655 V3 server features up to 40x 2.5-inch hybrid hot-swap drive bays by using combinations of 24 front-accessible bays, 8 mid bays, and 8 rear-accessible drive bays. Another configurations provides 20x 3.5-inch hybrid drive bays for lower-cost, high-capacity HDD storage. 2x rear-mounted externally accessible 7mm hot-swap drive bays can be used to support the operating system boot functions or for data storage. An internal M.2 module supports optionhal RAID 1 with 2x M.2 drives installed. The single-socket system supports an AMD EPYC processor from the 4th generation family with a TDP of up to 360W and up to 96 cores.
Lenovo ThinkSystem SR655 V3 Server - System Overview
With 31 distinct drive bay combinations in the front, center, and back of the server, as well as 6 different slot configurations in the rear, the Lenovo ThinkSystem SR655 V3 server is a configuration-rich product. A variety of GPU options can be installed on the ThinkSystem SR655 V3 server. Up to 3x double-width 350W GPUs, 6x single-width 150W GPUs, or 8x single-width 75W GPUs can be mounted on the system. The server supports up to 10x PCIe slots with rear access, plus a slot dedicated to the OCP adapter slot. Flexible options for PCIe 5.0 or 4.0 are compatible depending on the riser and rear drive bay selection. When 128GB 3DS RDIMMs are mounted 12x DDR5 memory module slots can accommodate up to 1.5TB of RAM and up to 4800MHz speeds. Security is provided by Lenovo ThinkShield, and management is made simple with XClarity's user-friendly software and single activity dashboard. Additionally, it features safety precautions like hardware monitoring for unpredictable modifications and upgrades.
Lenovo ThinkSystem SR655 V3 Server - Specifications
Processors - One Socket
1x 4th generation AMD EPYC CPUs
TDP up to 360W
Up to 96 cores
Memory
12 x TruDDR5 DIMM slots
Maximum 1.5TB using 3DS RDIMMs
DIMM speeds up to 4800 MHz
Drive Bays
Up to 20x 3.5” or 40x 2.5” drives; hot-swap drive bay
Combinations of SAS/SATA, NVMe, or AnyBay
Power Supplies
Dual redundant PSUs Titanium/Platinum to meet ErP Lot 9 standard
Fans
Up to 6x N+1 redundant hot swap 60 mm fans
Ports
Front:
1x USB 3.0, 1x USB 2.0
1x VGA (optional)
Rear:
3x USB 3.1 G1
1x VGA port
1x Serial port
1x Ethernet management
Expansion Slots
Up to 10x standard PCIe rear slots, up to 2 standard PCIe slots for front
1x OCP 3.0 adapter slot
Support for PCIe Gen4/Gen5 and CXL
GPUs
Up to 3x double width 350W GPU
Up to 6x single width 150W GPU
Up to 8x single width 75W GPU
Dimensions
Height: 87mm (3.4")
Width: 445mm (17.5")
Depth: 766mm (30.1")
Maximum Weight: 38.8 kg (85.5 lb)
Management
XClarity support
ASPEED 2600
Lenovo ThinkSystem SR655 V3 Server - Documentation
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