Server RAM speeds explained: why your DIMMs run slower than 6400 MT/s (UK 2026)
You bought DDR5 rated at 6400 MT/s, the configurator confirmed it, and yet the server boots and reports the memory running at 5200 or even 4400. Nothi…
RDIMM vs MRDIMM: how multiplexed DDR5 changes server memory in 2026 (UK)
For two decades the registered DIMM has been the default server memory module, and most buyers never had to think harder than choosing a capacity and …
How much server RAM do you need? Right-sizing memory in 2026 (UK)
Memory is the dimension a server most often runs out of first - and the one most often guessed at. How much RAM you need is a methodology question, no…
Liquid vs immersion cooling and RoCE explained: an AI data-centre glossary
AI infrastructure has imported a vocabulary that did not exist in mainstream server rooms a few years ago. Vendors now talk about direct liquid coolin…
Multi-node twin servers explained: shared-infrastructure density done right (UK 2026)
When you need many servers in as few rack units as possible, discrete boxes start to waste space, power and money on duplicated infrastructure. Multi-…
How many CPU cores does your server actually need? (UK 2026)
More cores is the default instinct when speccing a server, and it is frequently wrong. Core count is one variable - and on its own it tells you very l…
What is a DPU or SmartNIC? Offloading explained for UK server buyers
DPU and SmartNIC appear on more server quotes every year, often without much explanation of what they do or whether you need one. At heart the idea is…
SXM vs PCIe GPUs and EDSFF storage explained: AI hardware form factors
Two acronyms decide how an AI or storage server is physically built, and both confuse buyers who are otherwise comfortable reading a spec sheet. SXM v…
What is a DPU (SmartNIC)? Offload, isolation and vSphere DPU explained
A DPU, or data processing unit, is the third programmable processor that has quietly appeared inside modern servers, alongside the CPU and the GPU. In…
What is CXL (Compute Express Link)? A plain-English guide for server buyers
CXL, or Compute Express Link, is one of those acronyms that has gone from research curiosity to a line item on server spec sheets in a remarkably shor…