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ThinkSystem SR665 V3 · Data Sheet
AMD EPYC 2-SOCKET2U RACKDUAL-SOCKET
SPECS VERIFIED · LENOVO PRESSConfigure & quote →
0cores
2× EPYC · up to 160C
0TB
TruDDR5-6400
0bays
2.5″ hot-swap
0slots
PCIe 5.0 + OCP 3.0
0GPUs
up to 8 SW / 3 DW
0W
80+ Titanium PSU
⚡ PROCESSOR AMD · 4 options
core count
9845
160C
9654
96C
9554
64C
9354
32C
1–2× AMD EPYC — 4th Gen 9004 “Genoa” / 5th Gen 9005 “Turin” · up to 160C · 400W · PCIe 5.0. Representative options — see the configurator for the full orderable list.
🧠 MEMORY 24 × TruDDR5-6400
6 TBmax
RDIMM3DS RDIMM9x4 RDIMM
⚙ STORAGE & I/O
8/16/24× 2.5″ or 8/12× 3.5″ front hot-swap + mid & rear bays — up to 40× 2.5″ / 20× 3.5″ total
Fabric: OCP 3.0 SFF (PCIe 5.0 x16) · 1/10/25GbE · shared XCC Wake-on-LAN
Mgmt: XClarity Controller 2 (XCC2)
▤ FULL TECHNICAL BREAKDOWN— every subsystem, verified against the Lenovo Press product guide
Chassis & Physical
Form factor2U rack
Machine type7D9A (3yr) / 7D9B (1yr)
Dimensions445 mm W × 87 mm H × 766 mm D
WeightUp to 38.8 kg (85.5 lb)
Processor
CPUsOne or two AMD EPYC (9005 “Turin” / 9004 “Genoa”)
Max configUp to 160 cores · 400W per socket
I/OPCIe 5.0
Memory
Slots24 DIMM (12 per CPU · 12 channels × 1 DPC)
TypeTruDDR5 RDIMM / 3DS RDIMM / 9x4 RDIMM
SpeedUp to 6400 MHz (5th Gen) · 4800 MHz (4th Gen)
Maximum6 TB with 24× 256GB 3DS RDIMMs
ProtectionECC, SDDC, Patrol Scrub, Bounded Fault, PPR, on-die ECC
Storage
Drive baysUp to 20× 3.5″ or 40× 2.5″ hot-swap — 30 bay layouts (front / mid / rear)
Extra2× 7mm rear drives + internal M.2 (up to 2)
ControllersUp to 20 SATA · up to 20 NVMe · 8/16/32-port RAID (8GB cache) · HBA
GPU support
OptionsUp to 8× single-width or 3× double-width GPUs
Expansion (PCIe)
Total slotsUp to 12 (10 rear + 2 front) + dedicated OCP 3.0
GenerationUp to 9 slots PCIe 5.0 (6 rear-slot layouts)
Networking
OCPDedicated OCP 3.0 SFF slot, PCIe 5.0 x16 (front or rear)
Adapters2/4-port 1/10/25GbE · one port shareable with XCC2
Ports & Video
Front1× USB 3.2 Gen1, 1× USB 2.0 (XCC), external diagnostics, optional VGA
Rear3× USB 3.2 Gen1, VGA, 1GbE XCC, optional 2nd XCC + COM
Power & Cooling
Power suppliesUp to 2× hot-swap 750–2600W AC (220V), 80 PLUS Platinum / Titanium; optional -48V DC
CoolingUp to 6× N+1 hot-swap 60mm fans · optional Neptune Core water cooling
Management
ControllerXClarity Controller 2 (XCC2), optional 2nd redundant port
SuiteXClarity One / Energy Manager · optional Diagnostics Panel
🛡Security
Root of TrustTPM 2.0 RoT module, Platform Firmware Resiliency (PFR)
AMDSecure Root-of-Trust, Secure Run, Secure Move, Secure Boot, AES-NI
Operating systems
SupportedWindows Server, RHEL, SUSE Linux, VMware ESXi, Ubuntu Server
Warranty & Support
Base3-year (or 1-year, model-dependent) CRU + onsite, 9×5 NBD
UpgradesResponse/fix-time and warranty extensions (Lenovo Services)
Best for:Virtualization · VDI · HCI · AI inference · HPC · Dense compute
Build this server →

About the ThinkSystem SR665 V3

The Lenovo ThinkSystem SR665 V3 is a 2-socket 2U server built on the AMD EPYC 9004 “Genoa” and 9005 “Turin” families, delivering up to 160 cores per socket and full PCIe 5.0 connectivity in a mainstream rack form factor.

With up to 24 TruDDR5 DIMMs at 6400 MHz, up to 40× 2.5″ NVMe bays across front, middle and rear zones, and support for up to 8 single-width or 3 double-width GPUs, the SR665 V3 is one of the most configuration-rich 2U platforms available — 30 drive-bay layouts and 6 rear-slot layouts.

It is designed for dense, throughput-hungry workloads: virtualisation, VDI, hyperconverged infrastructure, AI inference and HPC. Servnet configures, prices and supplies the SR665 V3 in the UK, verified against the Lenovo Press product guide.

Configure & get a quote →Lenovo Press product guide ↗
💷 Spread the cost · IT finance

Spread the cost of the ThinkSystem SR665 V3

Prefer to pay monthly? Spread the ThinkSystem SR665 V3 over 60 months on hire purchase or lease — indicative from £387/mo ex VAT. Configure your exact spec and we'll quote the finance alongside the hardware.

Finance the ThinkSystem SR665 V3 from £387/mo

Indicative estimate · subject to change · soft search, no credit-file impact · hire purchase, lease & subscription for UK businesses

From
£387/mo
over 60 months · ex VAT · indicative estimate, subject to change

ThinkSystem SR665 V3 — FAQs

What processors does the ThinkSystem SR665 V3 support?

One or two AMD EPYC processors from the 5th Gen 9005 “Turin” or 4th Gen 9004 “Genoa” families, with up to 160 cores per processor, TDP ratings up to 400W and PCIe 5.0 support.

How much memory and storage can the SR665 V3 hold?

Up to 24 TruDDR5 DIMM slots (12 channels per processor at 1 DIMM per channel) for a maximum of 6TB using 256GB 3DS RDIMMs, and up to 40× 2.5″ or 20× 3.5″ hot-swap drives across front, middle and rear bays plus internal M.2.

Can the SR665 V3 run GPUs?

Yes — it supports up to 8 single-width GPUs or 3 double-width GPUs, making it suitable for AI inference and accelerated VDI alongside up to 12 PCIe slots (9 supporting PCIe 5.0) and a dedicated OCP 3.0 network slot.

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