How much memory can the SR635 7Y99CTO1WW hold?

It has 16 DDR4 slots and a listed maximum of 2048 GB.

Which processors fit this server?

AMD EPYC 7002 and 7003 series, in one socket.

How is networking provided?

Through a dedicated OCP 3.0 SFF slot, PCIe 4.0 x16, so the adapter is chosen at configuration.

Which drive layouts are listed?

Up to 4 x 3.5in or 16 x 2.5in hot-swap bays.

Illustration

Lenovo

7Y99CTO1WW

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Lenovo

Lenovo ThinkSystem SR635 1-Socket 1U AMD EPYC CTO Server, 3-Year Warranty

Name: Lenovo ThinkSystem SR635 1-Socket 1U AMD EPYC CTO Server, 3-Year Warranty
Brand: Lenovo
SKU: 7Y99CTO1WW

MPN7Y99CTO1WW

Also known as 7Y98CTO1WW

The Lenovo ThinkSystem SR635 7Y99CTO1WW is a single-socket 1U AMD EPYC CTO server with 16 DDR4 slots, up to 2048 GB of memory and an OCP 3.0 network slot.

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Tested, cleaned and graded. Fully functional, with warranty.

Warranty

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Lenovo ThinkSystem SR635 1-Socket 1U AMD EPYC CTO Server, 3-Year Warranty

7Y99CTO1WW · Refurbished · 1 year warranty

Quantity (units)

Overview

Single-socket EPYC servers pack a lot of memory and I/O into one processor. The Lenovo ThinkSystem SR635 7Y99CTO1WW is a 1U rack server for AMD EPYC 7002 and 7003 series processors, with 16 DDR4 slots that reach up to 2048 GB.

Storage options are up to 4 hot-swap 3.5in drives or up to 16 hot-swap 2.5in drives. Networking is not fixed: a dedicated OCP 3.0 SFF slot on PCIe 4.0 x16 lets you choose the adapter. Power comes from up to 2 hot-swap redundant supplies, ranging from 550 W to 1600 W.

As a CTO model, the server is built to the configuration you specify. Share your processor, memory and drive targets and we will confirm availability.

We list this server as refurbished, with 1 year or 3 years of warranty, and as used with 90 days of warranty. 7Y98CTO1WW is the alternative part number on file.

Specifications

Lenovo 7Y99CTO1WW specifications
Manufacturer part number	7Y99CTO1WW
Brand	Lenovo
Network	Dedicated OCP 3.0 SFF slot, PCIe 4.0 x16
Drive bays	Up to 4 x 3.5in or 16 x 2.5in hot-swap
Generation	AMD EPYC 7002/7003
Form factor	1U rack
Memory type	DDR4
Memory slots	16
Configuration	CTO
Maximum memory	2,048 GB
Power supplies	Up to 2 hot-swap redundant, 550 W to 1600 W
Processor family	AMD EPYC 7002 and 7003 series
Processor sockets	1

Specifications from the manufacturer's datasheet ↗

Alternative part numbers

Other numbers for 7Y99CTO1WW, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for 7Y99CTO1WW
Part number	Type	Brand	Note
7Y98CTO1WW	Alternative	Same brand	Same base server with 1-year warrantyQuote this part number

FAQ

How much memory can the SR635 7Y99CTO1WW hold?: It has 16 DDR4 slots and a listed maximum of 2048 GB.
Which processors fit this server?: AMD EPYC 7002 and 7003 series, in one socket.
How is networking provided?: Through a dedicated OCP 3.0 SFF slot, PCIe 4.0 x16, so the adapter is chosen at configuration.
Which drive layouts are listed?: Up to 4 x 3.5in or 16 x 2.5in hot-swap bays.