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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HP PROLIANT DL380 G6 SPECIAL RACK SERVER, 1 Quad-Core Intel 2.00Ghz Nehalem E5504 Processor, 4GB RAM, 2x 300GB Hard Drives
SR570 Xeon Gold 5218R (20C 2.1GHz 27.5MB Cache/125W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
SR650 Xeon Gold 6246R (16C 3.4GHz 35.75MB Cache/205W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x1100W, XCC Enterprise, Tooless Rails
HPE - P52534-B21 - ProLiant DL380 Gen11 - Server - rack-mountable - 2U - 2-way - no CPU - RAM 0 GB - SATA - hot-swap 8x2.5Inch bay(s) - no HDD - GigE - monitor: none - CTO
Lenovo ThinkSystem SR250 - 3,5 GHz - E-2134 - 8 GB - DDR4-SDRAM - 300 W - Rack (1U)
HPE ProLiant DL320 Gen11 4510 12c 1P 2x32GB-R 8SFF MR408i-o 2x480GB SATA SSD 2x1000W PS EU Server
NetShelter SV 42U 800mm Wide x 1200mm Deep Enclosure without Sides without Doors Black
ThinkSystem SR650, 1xIntel Xeon Gold 6244 8C 3.6GHz 150W, 1x16GB 2Rx8, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
ThinkSystem SN550, 1xIntel Xeon Gold 5120 14C 2.2GHz 105W, 1x32GB 2Rx4,
SR570 Xeon Silver 4110 (8C 2.1GHz 11MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B 3,5 inch (4), 930-8i, 1x750W, XCC Standard, Tooless Rails
HPE ProLiant DL385 Gen11 9115 2.6GHz 16c 1P 2x32GB-R 8LFF NS204i-u NC BCM57416 2x1000W PS EU Server
SR590 Xeon Gold 6142 (16C 2.6GHz 22MB Cache/150W) 32GB(1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Standard, Tooless Rails
Lenovo System x3650 7979 - Server - rack mount
ThinkSystem SR650, 1xIntel Xeon Gold 6226 12C 2.7GHz 125W, 1x32GB 2Rx4, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
SR570 Xeon Gold 5215 (10C 2.5GHz 13.75MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B (10 Drives, 4 AnyBay), 930-16i, 1x750W, XCC Enterprise, Tooless Rails
Lenovo SR550 - 2,1 GHz - 4110 - 16 GB - DDR4-SDRAM - 600 GB - 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.