How much RAM does the Lenovo ThinkSystem ST45 V3 support?

The ThinkSystem ST45 V3 supports up to 64GB of memory across 2 slot(s), up to 32GB per slot.

What type of memory does the ThinkSystem ST45 V3 use?

It uses DDR5 UDIMM memory modules.

What storage drives fit the Lenovo ThinkSystem ST45 V3?

Compatible drive types: NVMe M.2 22110 (PCIe Gen 4) SSD, NVMe M.2 2242 (PCIe Gen 4) SSD, NVMe M.2 2260 (PCIe Gen 4) SSD, NVMe M.2 2280 (PCIe Gen 4) SSD, SATA 2.5" Hard Drive, SATA 2.5" SSD, SATA 3.5" Hard Drive, SATA M.2 2280 SSD.

Memory & Storage Upgrades for Lenovo ThinkSystem ST45 V3

Guaranteed-compatible DDR5 UDIMM upgrades for the Lenovo ThinkSystem ST45 V3, in matched-kit options that fill your slots.

Verified compatible

Choose your upgrade

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Memory & Storage Upgrades for Lenovo ThinkSystem ST45 V3

Guaranteed-compatible DDR5 UDIMM upgrades for the Lenovo ThinkSystem ST45 V3, in matched-kit options that fill your slots.

Verified compatible

Choose your upgrade

This option is out of stock.

Storage upgrades

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkSystem ST45 V3 — matched to its drive bays and slots.

NVMe M.2 22110 (PCIe Gen 4) SSD

This option is out of stock.

NVMe M.2 2242 (PCIe Gen 4) SSD

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

NVMe M.2 2260 (PCIe Gen 4) SSD

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

NVMe M.2 2280 (PCIe Gen 4) SSD

This option is out of stock.

SATA 2.5" Hard Drive

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

SATA 2.5" SSD

This option is out of stock.

SATA 3.5" Hard Drive

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

SATA M.2 2280 SSD

This option is out of stock.

This is a SATA (not NVMe) M.2 drive — confirm your M.2 slot supports SATA drives.

System specifications

Specifications reported for this system.

Memory type: DDR5
Form factor: UDIMM
Memory slots: 2
Maximum memory: 64GB
Max per slot: 32GB
Rated speed: 5600 MT/s
ECC: supported
Chipset: Intel W790
Drive configuration: Multiple
Drive form factor: 2.5", 3.5" and M.2
Drive interface: SATA/PCIe
M.2 slots: 1 x 2242 or 2260 or 2280 or 22110
M.2 connector: 2242, 2260, 2280, 22110
M.2 PCIe generation: Gen4 x4
PCIe NVMe: Y
SATA version: SATA 3 - 6Gb/s
Serial ATA support: Y
Standard memory: 16GB removable
USB support: 3.x Compliant

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.