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Practical answers on Windows Server licensing, HPE ROK and server memory. Written for people who need to make the right call.
HPE ROK
HPE ROK vs standard Windows Server
Choose HPE ROK for compatible HPE ProLiant hardware. Choose standalone or volume licensing when you need hardware flexibility. Here is what changes.
Read the guide6 min read- HPE ROKHPE ROK Standard vs DatacenterStandard is usually first choice for 1–2 VMs. Beyond that, compare stacked Standard against Datacenter pricing. They share the same base platform; Datacenter adds virtualisation rights and a few features.5 min read
- Windows ServerWindows Server core licensing explainedWindows Server 2022 and 2025 are licensed per physical core. Every server needs at least 16 cores licensed, and at least 8 per processor. Here is how to count what you actually need.6 min read
- Server memoryRDIMM vs LRDIMM server memoryBuy RDIMM. Choose LRDIMM only when you need the largest module sizes your platform offers and the server explicitly supports it. Here is the difference, and how to know it fits.5 min read
- Server memoryDDR5 vs DDR4 server memoryDDR5 is in new servers. DDR4 still runs most of what is already deployed. This is what changed, which platforms support DDR5, and when the upgrade makes sense.7 min read
- OracleOracle Database SE2 licensing explainedSE2 is licensed per occupied processor socket, with a hard limit of 2 sockets per server. High socket or thread counts can push you to Enterprise Edition — so verify the exact processor.6 min read
- OracleOracle Java SE Universal SubscriptionSince 23 January 2023, Oracle Java SE sells only as the Universal Subscription: priced per employee across your whole headcount, not just the people who use Java.5 min read
- Cisco MerakiCisco Meraki licensing explainedMeraki licences are per device, but the model is not. There are now three — Subscription, Co-Termination and the closing Per-Device Licensing. Here is the current state.6 min read
- Server memoryDDR5 server memory compatibilityDDR5 only fits a DDR5-capable platform — it will not go in a DDR4 slot. The module type and maximum size depend on your server. Here is how to check before you buy.5 min read
- HPE ROKWhere to buy genuine HPE ROK in the UKBuy HPE ROK from a reseller that records the exact OEM kit and checks it against your HPE ProLiant. Here is what to look for.5 min read
- For brokersTrade pricing for IT brokersApply for a broker account. Once approved, you can access trade pricing and a 4 UK business-hour quote-response target.4 min read