Dell GCTJ1 EMC PowerEdge R940 Motherboard – Reliable Performance for Enterprise Solutions
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  • Part number:GCTJ1
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Dell GCTJ1 EMC PowerEdge R940 Motherboard – Reliable Enterprise‑Grade Performance

Keywords
GCTJ1, Dell motherboard, PowerEdge R940, server components, high‑performance server, enterprise‑grade hardware, data center solutions, system reliability, motherboard replacement, Dell PowerEdge

GCTJ1, PowerEdge R940, server components, enterprise‑grade hardware, motherboard replacement

Description

The Dell GCTJ1 EMC PowerEdge R940 motherboard is engineered as the core backbone for enterprise‑level server performance. Designed to support dual Intel Xeon Scalable processors and large memory configurations, this motherboard delivers the reliability and scalability required in modern data center deployments.

Built around the Intel C620 chipset with two FCLGA3647 sockets, the GCTJ1 supports Intel second‑generation Xeon processors up to 28 cores each. With 24 DDR4 DIMM slots running at up to 2933 MT/s, it enables massive memory capacity—up to 15.36 TB when paired with Optane™ DC persistent memory modules—making it ideal for virtualization, large-scale analytics, and mission-critical workloads.

This motherboard is a durable, refurbished component, commonly available in open‑box condition and backed by 90‑day replacement warranties from vendors. It's a drop‑in replacement for PowerEdge R940 servers, ensuring seamless integration and system restoration.

With OEM part number **GCTJ1**, the board supports full Dell feature sets including built-in management via iDRAC9, OpenManage compatibility, multiple PCIe Gen3 expansion slots, and multi-socket resource optimization.

Key Features
  • Supports up to two Intel 2nd‑Gen Xeon Scalable CPUs via dual FCLGA3647 sockets (up to 28 cores each).
  • Intel C620 chipset with support for extensive I/O and memory bandwidth.
  • 24 DDR4 DIMM slots with speeds up to 2933 MT/s; up to 15.36 TB total memory including Intel Optane™ DC persistent memory support .
  • Compatible with Dell PowerEdge R940 chassis and server infrastructure.
  • Refurbished / open‑box condition with 90‑day warranty from reputable vendors (e.g., SaveCentral, Alta Technologies) .
  • Supports up to 13 PCIe Gen3 expansion slots (dependent on processor configuration) and dual SD or M.2 boot options .
Configuration
ComponentSpecification
Model / Part NumberDell PowerEdge R940 Motherboard (GCTJ1 / 0GCTJ1)
CPU Sockets2 × FCLGA3647 sockets for Intel 2nd-gen Xeon Scalable CPUs (up to 28 cores each)
ChipsetIntel C620 PCH
Memory Slots24 × DDR4 DIMM slots, supports RDIMM/LRDIMM and Intel Optane DC PMM
Memory SpeedDDR4 up to 2933 MT/s
Expansion SlotsUp to 7 PCIe Gen3 slots (2-socket) or up to 13 (4-socket with expansion module)
Form Factor3U rack server motherboard for PowerEdge R940 chassis
ConditionRefurbished or open‑box, typical vendor warranty 90 days
CompatibilityPowerEdge R940 series servers
Compatibility
The GCTJ1 is fully compatible with Dell PowerEdge R940 servers, supporting second-generation Intel Xeon Scalable processors. It integrates with Dell OpenManage and iDRAC9 for systems management. The board supports both RDIMM and Intel Optane DC persistent memory configurations and works seamlessly with R940 chassis and power/backplane architecture.


Usage Scenarios

Ideal for system recovery or upgrades, the GCTJ1 motherboard enables restoration of R940 servers after failure or allows refreshing aging systems with newer Xeon CPUs.

Suitable for memory-intensive workloads—such as in-memory databases, virtualization clusters, and deep analytics—thanks to support for up to 15 TB of memory.

Perfect for enterprise data centers needing reliability and scalability without full server replacement; the motherboard refurbishes mission-critical infrastructure affordably.

Also used by IT hardware refurbishers and parts distributors seeking OEM-compatible, fully tested server core components.

Frequently Asked Questions
Q1: Which processors does the GCTJ1 motherboard support?
It supports dual Intel 2nd‑Generation Xeon Scalable processors (Cascade Lake or similar) up to 28 cores each via FCLGA3647 sockets.

Q2: What is the maximum supported memory capacity and type?
Supports up to 24 DDR4 DIMMs at up to 2933 MT/s; using Intel Optane DC persistent memory modules, total memory capacity can reach 15.36 TB across two CPUs.

Q3: What condition and warranty are offered on replacement motherboards?
Most listings are refurbished or open‑box units with vendor-backed 90‑day warranties from reputable resellers such as SaveCentral or Alta Technologies.

Q4: How many expansion slots does the board support?
Supports up to 7 PCIe Gen3 expansion slots in dual-CPU mode; with a processor expansion module (for 4 sockets), up to 13 PCIe slots are available.

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