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Grey tower server chassis with front drive bays and rear expansion slots

Lenovo

Lenovo ThinkSystem ST50 V3 7DF3A018NA Tower Server Xeon E-2434 16GB DDR5

SKU CH-CY4X-PJZ0D MPN 7DF3A018NA

Entry tower server with a quad-core Xeon E-2434 at 3.40 GHz, 16 GB DDR5 ECC memory expandable to 128 GB, dual 1 GbE LAN, three PCIe slots including one PCIe 5.0 x16, SATA III RAID 0/1 support.

  • ProcessorIntel Xeon E
  • Installed RAM16 GB
  • Installed SSDNo
  • ChipsetIntel C266
  • Processor core countQuad-Core Processor
  • Type of memoryDDR5
  • Quad-core Xeon E-2434 at 3.40 GHz delivers responsive compute for entry workloads
  • 16 GB DDR5 at 4400 MHz with ECC protects data integrity from day one
  • Four DIMM slots support up to 128 GB TruDDR5 for future growth
  • Three PCIe slots including Gen 5.0 x16 and two Gen 4.0 x4 enable flexible expansion
  • Dual 1 GbE ports plus dedicated XCC2 management port simplify remote administration

Lenovo ThinkSystem ST50 V3 Entry Tower Server

The Lenovo ThinkSystem ST50 V3 is an entry-level tower server built around a single Intel Xeon E-2434 quad-core processor running at 3.40 GHz. It ships with 16 GB of DDR5 ECC UDIMM memory and supports up to 128 GB across four DIMM slots operating at 4400 MHz. The Intel C266 chipset provides SATA III connectivity and RAID 0/1 support. A fixed 300 W Gold power supply is included.

Ideal for small business workloads.

This tower server suits small offices or branch locations needing a quiet, general-purpose platform for file, print or lightweight application serving. The single-socket design and four memory slots limit compute density, so buyers who need dual-processor performance or larger memory footprints should evaluate other form factors. The 300 W power supply also restricts high-wattage add-in cards.

Single-socket LGA 1700 limits CPU upgrades

The LGA 1700 socket accepts only one processor, so the installed Xeon E-2434 defines the maximum core count and frequency available. No second CPU can be added, and future upgrades are confined to the same single-socket Intel Xeon E family supported by the C266 chipset.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $1,718.99
Cheaper than about 54% of the 17,641 comparable items (median $1,910.99).
Installed RAM 16 GB
Lower than about 90% of the 15,103 comparable items (median 128 GB).

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Specifications

Product
Brand nameLenovo
Model nameST50 V3
Part number7DF3A018NA
Target workloadGeneral Purpose Server
Product typeEntry Tower
Processor
ProcessorIntel Xeon E
Processor core countQuad-Core Processor
Processor socketLGA 1700
ChipsetIntel C266
Processor speedE-2434 (3.4 GHz)
Installed CPUs1
Memory
Installed RAM16 GB
Type of memoryDDR5
Maximum RAM capacity128 GB
Memory slot count4
Storage
Installed SSDNo
Installed storageNo Hard Drive
Drive interfaceSATA III
Supported RAID levelsRAID 0/1
Drive bays3 × 3.5 in SATA: Open bay HDD
Ports & slots
Network ports2x 1GbE Onboard Ethernet ports (Broadcom BCM5720)
Rear 1 port allows remote connectivity to the XCC2 management controller
Expansion card slotsThree PCIe slots (1x PCIe 5.0, 2x PCIe 4.0) as follows:
Slot 1: PCIe G4 x4 (x4 slot, open-ended) 25 W full-height half-length (FHHL)
Slot 2: PCIe G5 x16 (x16 slot, closed-ended) 75 W full-height half-length (FHHL)
Slot 3: PCIe G4 x4 (x4 slot, open-ended) 25 W full-height half-length (FHHL)
Management interfaceDedicated Ethernet port for remote management
Power
Power supplyOne fixed 300 W Gold power supply
Size & build
Product dimensions12.4 in × 6.7 in × 14.6 in w/o stand
Product weight26.4 lb (12 kg)
Shipping weight9.07 kg
Package size508 × 457 × 254 mm
Software
Operating systemNo

Questions about this item

What are the PCIe slot specifications for adding expansion cards to this ST50 V3?

The server provides three PCIe slots: slot 1 is PCIe 4.0 x4 open-ended at 25W full-height half-length, slot 2 is PCIe 5.0 x16 closed-ended at 75W full-height half-length, and slot 3 is PCIe 4.0 x4 open-ended full-height half-length.

How is the Intel Xeon E-2434 processor installed in the LGA 1700 socket, and what is the common mistake?

Align the processor notches with the socket keys, lower it gently without force, and secure the retention lever; the frequent error is skipping the lever lock or misaligning the notches, which can bend pins.

What memory upgrades does the four-slot DDR5 configuration support for future expansion?

Four DIMM slots accept Lenovo TruDDR5 ECC UDIMMs at 4400 MHz, allowing expansion from the installed 16 GB up to a maximum of 128 GB total capacity.

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