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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Lenovo System x3650 M5 8871 - Server - Xeon E5 2,1 GHz - RAM:16 GB - 2 HE
SR590 Xeon Silver 4108 (8C 1.8GHz 11MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B, 530-8i, 1x750W, XCC Standard, Tooless Rails
SR650 Xeon Gold 6256 (12C 3.6GHz 33MB Cache/205W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x1100W, XCC Enterprise, Tooless Rails
SR650 Xeon Silver 4208 (8C 2.1GHz 11MB Cache/85W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
HPE ProLiant DL325 Gen11 9115 2.6GHz 16c 1P 2x32GB-R 8SFF MR408i-o 2x480GB SSD 2x1000W PS EU Server
SR650 Xeon Silver 4215R (8C 3.2GHz 11MB Cache/130W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x750W, XCC Enterprise, Tooless Rails
SR550 Xeon Silver 4208 (8C 2.1GHz 11MB Cache/85W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), No Backplane (3,5 inch), No RAID, 1x750W, XCC Enterprise, Tooless Rails
Lenovo ThinkSystem SR630 - 2,6 GHz - 6142 - 16 GB - DDR4-SDRAM - 1100 W - Rack (1U)
Intel Server System S9248WK2HLC - Server - rack-mountable - 2U - 2-way - 2 x Xeon Platinum 9242 / 2.3 GHz - RAM 0 GB - PCI Express - hot-swap 2.5in bay(s) - no HDD - GigE - monitor none
Lenovo SR650 - 2,1 GHz - 6130 - 32 GB - DDR4-SDRAM - 1100 W - Rack (2U)
SR630 Xeon Gold 5218R (20C 2.1GHz 27.5MB Cache/125W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
4U BARE 2XPHI C621 8X3.5HS 1200W 2XGBE 4PCIE
DELL EMC PowerEdge R440 - Server - rack mount - 1U - 2-way - 1 x Xeon Silver 4110 / 2.1 GHz - RAM 16
Disti:C240M3LFF,w/oCPU,Mem,HD,PCIe,PSU,w/Rls,HSnk,Blnk,Expdr
ThinkSystem SR650, 1xIntel Xeon Gold 6246 12C 3.3GHz 165W, 1x32GB 2Rx4, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Lenovo ThinkSystem SR550 - 2,1 GHz - 4110 - 16 GB - DDR4-SDRAM - 750 W - Rack (2U)
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.