Lenovo U000CK1 System X3550 M5 E-2434 4-Core 128GB Rack Server

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Lenovo U000CK1 System X3550 M5 Intel C612 4-Core 128GB Rack Server

Price:

$15,277.00

LenovoSKU: LSY4413460

Model Number: U000CK1

Condition: New

In stock: No

Lead time: 2 – 3Weeks

Note: We specialize in configuring servers to your specific requirements. Contact us to discuss your unique needs and get started on customizing your servers today.

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Overview
Tech Spec
Additional Info

U000CK1 is a Lenovo System X3550 M5 rack server designed for high-performance computing in data centers and enterprise environments. It features a 4-core Xeon processor, supports up to 128GB of memory, and is ideal for virtualization, database, and business-critical workloads. Its compact 1U form factor maximizes rack space efficiency.

Form Factor	Rack
Processor Type	Xeon
Max Memory Capacity	128GB
Memory Speed	4.80 GHz
Memory Type	Tru DDR5
Drive Bays	8
Power Supply	80 W
Network Interface	Gigabit Ethernet
Series	System X3550 M5

Model Number:	U000CK1
Brand:	Lenovo
Alt Part Number(s):	U000CK1
Product Type:	Server
Model:	U000CK1
Processor Model:	E-2434
Processor Core:	4-Core
Processor Speed:	2.3GHz
Cache:	45MB
Chipset Type:	Intel C612
Controller Type:	Serial ATA
Number of USB Ports:	4
Maximum Memory Supported:	128GB
Number of Memory Slots:	24
Error Checking:	ECC
Rack Height:	1U
Output Voltage:	208 - 230 V AC
Protocols:	Web, SNMP, Telnet
Height:	1.69"
Width:	17.10"
Depth:	22.09”

Product information, pricing, availability, images or discounts are subject to change without notice and may not always reflect the most current details. In the event of pricing or availability discrepancies, we reserve the right to cancel or adjust orders. Customers will be notified and may choose to proceed or cancel.

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As a dark matter researcher building a university-grade dual-node system at home, I sourced an RTX Pro6000 Blackwell GPU from eSaitech—paired with i9-14900Ks, 128GB RAM per node, 20TB of NVMe across 4/4/8/4TB partitions, and Ubuntu 24.04. The build was flawless—until I accidentally charged the $8,000 GPU to my checking account via PayPal instead of the intended credit card. That misstep triggered a cascade of issues across PayPal, my bank, and eSaitech’s Shopify backend. Enter MaryLou from eSaitech customer service. She didn’t just help—she orchestrated a full recovery: coordinating RMA and accounting to reverse the charge, reprocess it correctly, and clear the default with PayPal. I was stunned. This wasn’t just good service—it was spectacular. From a company I’d never worked with, and to whom I technically owed money. The GPU arrived fast, at the lowest price I could find anywhere. But it’s the integrity and responsiveness of their team that truly impressed me. I don’t even know how to thank them properly. If you’re sourcing high-end components and value not just price but people, eSaitech earns my highest recommendation. Note my system below -

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Lenovo U000CK1 System X3550 M5 Intel C612 4-Core 128GB Rack Server

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Lenovo U000CK1 System X3550 M5 Intel C612 4-Core 128GB Rack Server