How many processors does the SR645 V3 take?

Two, from the AMD EPYC 9004 and 9005 series.

What drive bays are offered?

4 x 3.5in LFF or 10 x 2.5in SFF at the front.

How is networking provided?

Through 1 x OCP 3.0 slot, with the adapter selected at order.

What is the maximum memory?

6144 GB of DDR5 across 24 slots.

Lenovo

Lenovo ThinkSystem SR645 V3 2-Socket 1U CTO Server, 3-Year Warranty

Name: Lenovo ThinkSystem SR645 V3 2-Socket 1U CTO Server, 3-Year Warranty
Brand: Lenovo
SKU: 7D9CCTO1WW

MPN7D9CCTO1WW

The Lenovo ThinkSystem SR645 V3 2-Socket 1U CTO Server (7D9CCTO1WW) is a 1U dual-socket AMD EPYC 9004 and 9005 series server with 24 DDR5 slots and an OCP 3.0 network slot.

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Lenovo ThinkSystem SR645 V3 2-Socket 1U CTO Server, 3-Year Warranty

7D9CCTO1WW · Refurbished · 1 year warranty

Quantity (units)

Overview

Lenovo's ThinkSystem SR645 V3 2-Socket 1U CTO Server (7D9CCTO1WW) gives you two AMD EPYC 9004 and 9005 series processors in a 1U rack chassis. It is a CTO base model from the V3 generation.

Memory is DDR5 across 24 slots, to a maximum of 6144 GB. The front panel offers either 4 x 3.5in LFF or 10 x 2.5in SFF bays, so you pick capacity or density. Five expansion slots are listed.

Networking is handled by one OCP 3.0 slot, with the adapter selected at order. Power supplies are hot-swap and redundant, up to 2.

It is a compact way to put a lot of cores and memory in a rack, and fits virtualization hosts and compute nodes. The part is available new, refurbished or used. New and refurbished units have a warranty of 1 year or 3 years, and used units have 90 days.

Specifications

Lenovo 7D9CCTO1WW specifications
Manufacturer part number	7D9CCTO1WW
Brand	Lenovo
Network	1 x OCP 3.0 slot (adapter selected at order)
Drive bays	4 x 3.5in LFF or 10 x 2.5in SFF at the front
Generation	V3
Form factor	1U rack
Memory type	DDR5
Memory slots	24
Configuration	CTO
Maximum memory	6,144 GB
Power supplies	Up to 2 hot-swap redundant
Expansion slots	5
Processor family	AMD EPYC 9004 and 9005 series
Processor sockets	2

Specifications from the manufacturer's datasheet ↗

FAQ

How many processors does the SR645 V3 take?: Two, from the AMD EPYC 9004 and 9005 series.
What drive bays are offered?: 4 x 3.5in LFF or 10 x 2.5in SFF at the front.
How is networking provided?: Through 1 x OCP 3.0 slot, with the adapter selected at order.
What is the maximum memory?: 6144 GB of DDR5 across 24 slots.