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Rack servers for businesses: high density, clean structure, reliable performance

A rack server bundles computing power in a space-saving manner in a server cabinet – ideal for standardized, scalable IT landscapes. Whether 1U for web workloads or 2U for virtualization: a well-designed rack system reduces effort, costs, and downtime.

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HPE 399519-001

DL360 G5 5060 1P 1G P400/256

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HPE P53925-B21

HPE ProLiant DL385 Gen11 8LFF Configure-to-order Server

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HPE P81784-425

HPE ProLiant DL380 Gen11 5416S 2.0GHz 16c 1P 2x32GB-R 8SFF MR408i-o 2x480GB SSD 2x1000W PS EU Server

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Lenovo 7X04A0BEEA

SR550 Xeon Bronze 3206R (8C 1.9GHz 11MB Cache/85W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), No Backplane (3,5 inch), No RAID, 1x750W, XCC Enterprise, Tooless Rails

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Lenovo 7X08A01UEA

Lenovo SR530 - 1,8 GHz - 4108 - 16 GB - DDR4-SDRAM - 750 W - Rack (1U)

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Lenovo 7X02A088EA

ThinkSystem SR630, 1xIntel Xeon Silver 4210 10C 2.2GHz 85W, 1x32GB 2Rx4, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail

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IBM 7945D4U

IBM System x3650 M3 3.46G 12G 12

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HPE S2V31C

HPE SimpliVity 325 Gen11 8SFF Configure-to-order Node

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Lenovo 7X02A0F4EA

SR630 Xeon Silver 4210R (10C 2.4GHz 13.75MB Cache/100W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails

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HPE S6Y05A

HPE Cray Supercomputing Storage Systems K3000 8EDSFF Scalable Storage Unit Controller

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Lenovo 7147A7G

Lenovo System x3690 X5 2.4GHz E7-2870 675W Rack (2U) Server

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HPE 416562-001

DL360 G5 5140 1P 1G P400 / 256M

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Cisco APIC-SERVER-L4

APIC Appliance - Lage Configuration(more than 1200 EdgePorts)

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HPE 438084-001

DL580 G5 2.4 2x4M 80W 4P 8G RMKT

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Cisco UCSC-C240-M4S

UCS C240 M4 SFF 8 HD w/o expdr,CPU,mem,HD,PCIe,PS,railkt

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HPE 710723-001

HP DL385p Gen8 6320 Entry 8-SFF US Svr

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Lenovo 7Y51CTO

ThinkSystem SR250 - Configured to order

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Lenovo 7Y03A031EA

SR570 Xeon Silver 4114 (10C 2.2GHz 13.75MB Cache/85W) 32GB(1x32GB, 2Rx4 RDIMM), 2x600GB SAS 10k, 930-8i, 2x750W, XCC Advanced, Tooless Rails

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Supermicro SYS-6048R-TXR

4U BARE 2XEON V4 C612 5X3.5HS 600WR 2XGBE 11XPCI-E IN

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Cisco APIC-CLUSTER-M3

Cisco Application Policy Infrastructure Controller Medium - 3 nodes - cluster - rack-mountable - 1U - 2-way - 2 x Xeon Bronze 3106 / 1.7 GHz - RAM 96 GB - SSD 400 GB, HDD 2 x 1 TB - GigE, 10 GigE - monitor none

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Lenovo 5463NEU

Lenovo .Server System x3550 M5 Xeon E5 v3 Six-Core 1.90 GHz Bus Speed 6.40 GT/s 15 MB

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IBM 79797AX

Lenovo System x3650 7979 - Server - Xeon DP 3 GHz - RAM:1 GB HDD:1 GB SAS SAS1, SCSI - CDRW/DVD Combo - 2 HE

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HPE 767033-B21

HPE DL380 Gen9 4LFF CTO Server

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HPE P83951-B21

HPE ProLiant Compute XD230 v2 Configure-to-order Server

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What is a rack server and when is it worthwhile?

A rack server is a standardized enclosure (usually 19 inches) for mounting in a rack for servers. It allows high density, clear cabling, and efficient cooling – from edge locations to data centers.

Typical areas of application:

  • Virtualization, databases, file services
  • Private cloud and container workloads
  • VDI/terminals, ERP/CRM, backup targets 

Advantages at a glance 

  • Scalability: Easy expansion with additional height units (U) 
  • Service-friendly: Front access, rail systems, hot-swap components 
  • Standardization: Uniform 19-inch infrastructure, predictable spare parts 

Which rack system is right for you? 19-inch, 10-inch, or mini rack 

The 19-inch server rack is the corporate standard. It offers maximum manufacturer and accessory compatibility (PDU, KVM, cable management). In confined IT rooms, shops, or PoS environments, 10-inch server rack solutions are an option. For branch offices, a mini rack server with a short depth and low noise level is ideal. 

Planning dimensions correctly 

  • Height units (U): 1U/2U determine density and expandability 
  • Depth: Take into account device and cable space (rails, connectors, bending radii) 
  • Cooling & airflow: Front-to-rear, blanking panels to prevent bypass airflow 

Top manufacturers: Dell, HPE, and Lenovo 

Performance, availability, and lifecycle services are key purchasing factors. 

  • Dell rack servers: PowerEdge series with broad CPU/RAM scaling, iDRAC management, and a strong ecosystem. 
  • Hewlett Packard rack servers: HPE ProLiant with iLO management, smart storage, and sophisticated security functionality. 
  • Lenovo server rack: ThinkSystem with high efficiency, versatile RAID options, and quiet acoustic profile. 

Important selection criteria when purchasing a rack server 

Requirements should be clearly defined before purchasing. 

Performance & architecture 

  • CPU: Plan cores per license model and workload (VM density, DB threads) 
  • RAM: Reserve for cache, in-memory shares, and future upsizing steps 
  • Storage: NVMe/SAS mix for latency and capacity; consider RAID/erasure coding 

Network & expansions 

  • Ports: 1/10/25/40/100 GbE according to traffic profile; Check SFP+/DAC compatibility 
  • IO slots: Allow space for HBAs, GPUs, or backup controllers 
  • Out-of-band: Remote management (iDRAC/iLO/XClarity) for 24/7 operation 

Operation & Availability 

  • Redundancy: Dual PSU, hot-swap fans, multipath network; define spare parts logic 
  • Lifecycle: Firmware path, support contracts, spare parts availability 

Rack servers: new, used, and refurbished at it-market 

At it-market, you can find a variety of rack servers in tested quality – new, used, or refurbished. 

We offer: 

  • 3-year warranty for companies
  • Up to 2,500 euros buyer protection 
  • Short delivery times 

Do you have any questions? Our sales team is happy to answer any questions you may have about IT hardware and IT remarketing.