Question 1

What is the difference between a rack server and a tower server?

Accepted Answer

A rack server is designed to be mounted horizontally in a standard 19-inch rack cabinet, measured in rack units (1U, 2U, etc.), while a tower server looks like a traditional desktop PC and stands upright on a shelf or floor. Rack servers offer greater density and are the standard choice for datacentres and server rooms with existing rack infrastructure. Tower servers require no specialist furniture, run quieter, and are easier to expand — making them the practical choice for offices and branch locations. If you don't have a rack cabinet, a tower like the HPE ML30 or Dell PowerEdge T360 is almost always the right starting point.

Question 2

Is HPE ProLiant worth the premium over Dell PowerEdge?

Accepted Answer

Not always — and the price gap is significant. HPE's average across this catalogue is roughly three times Dell's, which reflects HPE's dominance at the high end rather than a universal quality advantage. For straightforward SME workloads, a Dell PowerEdge T360 or Lenovo ThinkSystem will perform comparably to an equivalently-specced HPE ProLiant at a lower price. Where HPE justifies the premium is in iLO's remote management depth, the breadth of the ProLiant ecosystem, and HPE's support infrastructure for large enterprise deployments. If you're running a small business server room, compare specs carefully before defaulting to HPE on brand recognition alone.

Question 3

How much RAM do I actually need for a virtualisation host?

Accepted Answer

For a VMware ESXi or Hyper-V host running production workloads, 64 GB DDR5 ECC is a realistic minimum in 2026 — the 16–32 GB configurations in entry-level servers will feel constrained quickly. A rough rule of thumb: allocate 2–4 GB per vCPU assigned across your VMs, add overhead for the hypervisor (4–8 GB), and build in 20% headroom. For a host running 10–15 modest VMs, 64 GB is comfortable; 128 GB gives you room to grow. All servers in this catalogue use ECC DDR5, which is non-negotiable for any production virtualisation environment — non-ECC memory risks silent data corruption under sustained load.

Question 4

Do I need a server at all, or would cloud be cheaper?

Accepted Answer

For many UK SMEs, a hybrid approach makes more sense than a binary choice. On-premises servers remain cost-effective for workloads with predictable, sustained compute demand — a dedicated server paid off over three to five years typically costs less per hour than equivalent cloud compute. Cloud wins for variable workloads, disaster recovery, and avoiding capital expenditure. If your primary use case is file storage, a NAS device (far cheaper) may be sufficient. If you need to run applications, manage Active Directory, or host databases locally, a physical server between 3,581 £ and 5,449 £ will almost certainly deliver better value than equivalent cloud resources over a five-year horizon.

Question 5

What does 'hot-swap' mean and why does it matter?

Accepted Answer

Hot-swap means a component — typically a hard drive or power supply — can be removed and replaced while the server is running, without powering it down. It matters because drive failures are inevitable over a server's lifetime, and taking a production server offline for maintenance is disruptive and costly. Most rack servers in this catalogue support hot-swap drives; tower servers at the entry level sometimes do not. If your server needs to maintain uptime (and most production servers do), hot-swap drive bays and redundant hot-swap PSUs are worth the additional cost. Check the product specification carefully — 'hot-plug' and 'hot-swap' are sometimes used interchangeably but confirm before purchasing.

Question 6

Are there any pitfalls to watch out for when buying a server online?

Accepted Answer

Yes — several. First, watch out for configurations listed without a RAID controller: some servers ship with a basic HBA rather than a proper hardware RAID card, which significantly affects storage performance and data protection. Second, check whether the iLO or iDRAC licence is included or requires a separate purchase for full functionality. Third, verify the warranty terms carefully — a 1-year parts-only warranty from a grey-market reseller is not the same as HPE's or Dell's direct support contract. Finally, be cautious of heavily discounted 'open box' or refurbished servers without a clear service history; for a machine you're relying on 24/7, provenance matters. Comparing prices across multiple authorised resellers on MagicPrices helps you spot when a deal is genuinely competitive versus suspiciously cheap.

Question 7

What generation of server should I buy in 2026?

Accepted Answer

Gen11 (HPE) and the current Dell PowerEdge generation are the right choices for new purchases in 2026 — they offer Intel Xeon E-2400 and Xeon Silver 4500-series processors, DDR5 memory, PCIe Gen5 slots, and improved power efficiency over their predecessors. Avoid buying Gen9 or Gen10 new unless you have a specific compatibility requirement; they're approaching end-of-support and will limit your upgrade path. Refurbished Gen10 can represent good value for non-critical workloads, but factor in the reduced support window and higher energy consumption relative to Gen11.

Servers Price Comparison

HPE ProLiant DL20 Gen11 6333P 3.1GHz 6c 1P 1x32GB-U 4SFF NS204i-u VROC 1x800W PS EU Server

Lenovo ThinkSystem SR645 server 0 GB Rack (1U) AMD EPYC 7203 2.8 GHz 32 GB DDR4-SDRAM 1100 W

Lenovo ThinkSystem SR630 V3 server Rack (1U) Intel Xeon Silver 4509Y 2.6 GHz 32 GB DDR5-SDRAM 1100 W

HPE ProLiant DL380 Gen11 server 960 GB Rack (2U) Intel® Xeon® Gold 2.1 GHz 64 GB DDR5-SDRAM 2000 W

HPE ProLiant DL380 Gen11 server 960 GB Rack (2U) Intel Xeon Silver 2.2 GHz 64 GB DDR5-SDRAM 2000 W

HPE ProLiant ML30 Gen11 server 960 GB Tower (4U) Intel Xeon E E-2436 2.9 GHz 32 GB DDR5-SDRAM 1600 W

HPE DL360 Gen11 server 960 GB Rack (2U) Intel® Xeon® Gold 5515+ 3.2 GHz 64 GB DDR5-SDRAM 2000 W

HPE ProLiant DL360 Gen11 4509Y 2.6GHz 8c 1P 2x32GB-R 8SFF MR408i-o 2x480GB SSD 2x1000W PS EU Server

HPE ProLiant DL20 Gen11 E-2434 3.4GHz 4c 1P 32GB-U 4SFF 2x480GB SATA SSD 800W PS EU Server

HPE ProLiant ML110 Gen11 4510 12-core 1P 64GB-R MR408i-o 8SFF 2x480GB SSD 2x1000W RPS EU Server

HPE ProLiant ML350 Gen11 4510 12-core 64GB-R MR408i-o 8SFF 2x960GB SSD 2x1000W RPS UK/IE Server

HPE ProLiant DL365 Gen11 9224 2.5GHz 24c 64GB-R 8SFF MR408i-o 2x480GB SATA SSD 2x1000W PS EU Server

Lenovo ST50 V2 3.5 1TB 7.2K 6GB NHS HDD server

TERRA MINISERVER G6 E-2434/32/2x960/C/WS2025E

HPE DL360 Gen11 server 960 GB Rack (2U) Intel® Xeon® Gold 4509Y 2.6 GHz 64 GB DDR5-SDRAM 21000 W

HPE ProLiant DL385 Gen11 server 960 GB Rack (2U) AMD EPYC 9124 3 GHz 64 GB DDR5-SDRAM 2000 W

Lenovo ThinkSystem SR630 server Rack (1U) Intel Xeon Silver 4210R 2.4 GHz 32 GB DDR4-SDRAM 750 W

Lenovo ThinkSystem ST650 V2 server Tower (4U) Intel Xeon Silver 4309Y 2.8 GHz 32 GB DDR4-SDRAM 750 W

HPE ProLiant MicroServer Gen10+ v2 server 0 GB Ultra Micro Tower Intel® Xeon® E-2314 2.8 GHz 16 GB DDR4-SDRAM 180 W

HPE ProLiant DL180 Gen9 server 0 GB Rack (2U) Intel® Xeon® E5 v4 E5-2609V4 1.7 GHz 8 GB DDR4-SDRAM 550 W

HPE ProLiant ML30 Gen11 server 960 GB Tower (4U) Intel Xeon E E-2434 3.4 GHz 32 GB DDR5-SDRAM 800 W

HPE ProLiant DL360 server Rack (1U) Intel Xeon Silver 4410Y 2 GHz 32 GB DDR5-SDRAM 800 W

Lenovo ThinkSystem ST50 V2 server 2 TB Tower Intel Xeon E E-2324G 3.1 GHz 16 GB DDR4-SDRAM 500 W

HPE ProLiant DL380 Gen11 server 0 GB Rack (2U) Intel® Xeon® Gold 5415+ 2.9 GHz 32 GB DDR5-SDRAM 1000 W

Servers Price Comparison