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 3,2 GHz - RAM:32 GB - 2 HE
HPE ProLiant Compute DL320 Gen12 6505P 2.2GHz 12c 1P 2x32GB-R 8SFF MR408i-o 2x1000W PS EU Server
Galaxy VS Classic Battery Cabinet, UL, Type 2
Lenovo ThinkSystem SR630 - 3,2 GHz - 6134 - 16 GB - DDR4-SDRAM - 1100 W - Rack (1U)
ThinkSystem SR650, 1xIntel Xeon Silver 4214 12C 2.2GHz 85W, 1x32GB 2Rx4, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 2x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
IBM x3650 M3 7945-AC1 Barebones Unit No CPU No RAM No HDD No RAID
ThinkSystem SR645, 2xAMD EPYC 7742 64C 2.25GHz 225W, 2x32GB 2Rx8, SW RD, 1x750W, XCC Enterprise,
NetShelter SX 42U 700mm Wide x 1070mm Deep Enclosure with Sides Black
Lenovo System x3650 M5 5462 - Server - rack mount
HPE PROLIANT ML350P GEN8 E5-2630 1P 8GB-R P420I HOT PLUG 8 SFF 750W PS Base Server
Cisco Application Policy Infrastructure Controller Large - Server - rack-mountable - 1U - 2-way - 2 x Xeon E5-2620V3 / 2.4 GHz - RAM 128 GB - GigE, 10 GigE - monitor none
SR570 Xeon Gold 5118 (12C 2.3GHz 16.5MB Cache/105W) 16GB (1x16GB, 2Rx8 RDIMM), O/B 3,5 inch (4), 530-8i, 1x750W, XCC Standard, Tooless Rails
Lenovo SR550 - 1,8 GHz - 4108 - 16 GB - DDR4-SDRAM - 750 W - Rack (2U)
SR650 ThinkSystem - Configured to order
HPE ProLiant Compute DL380 Gen12 6520P 2.4GHz 24c 1P 2x32GB-R 8SFF MR416i-o 2x1000W PS EU Server
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.