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| Model Name | E5-2690 V3 |
|---|---|
| Brand Name | Intel |
| Series | E5 |
| Platform | Server |
| Cores | 12 |
| Threads | 24 |
| TDP | 135 W |
| Base Frequency | 2.6 GHz |
| Max Turbo Frequency | 3.5 GHz |
| Cache L3 | 30 MB |
| Memory Types | DDR4 1600/1866/2133 |
| Max Memory Size | 768 GB |
| ECC Memory Supported | Yes |
| Sockets Supported | FCLGA2011 |
| Max CPU Configuration | 2 |
Engineer's Note: The Intel Xeon E5-2690 v3 pairs 12 cores / 24 threads with a 2.6 GHz base clock that boosts to 3.5 GHz on demand, making it a drop-in candidate for legacy line-of-business applications. The 135 W thermal envelope keeps it inside standard server cooling budgets. Positioned as a proven Haswell/Broadwell-era Xeon that still powers thousands of production clusters worldwide, it is built for sustained multi-user workloads.
1. Value in the refurbished market: as a previous-generation part it delivers proven reliability at a fraction of launch pricing, which is why it remains the default choice for dev/test farms, lab clusters, and secondary nodes where cost per core matters more than peak performance.
2. Scalability to 2-socket systems: in multi-socket servers the processors share memory over a coherent interconnect, letting a single OS instance use all cores and all RAM — the classic architecture for large relational databases and consolidation hosts.
3. 135 W TDP: the thermal envelope is sized for sustained all-core loads in multi-socket chassis, so the processor holds its rated clocks through long batch windows instead of throttling halfway through. It also keeps per-socket cooling and power costs predictable when you scale out — datacenter capacity planning runs on numbers like these.
4. 2.6 GHz base / 3.5 GHz turbo: the frequency governor drops light threads onto boosted cores, so single-threaded paths (license checks, stored procedures, log processing) finish fast while background jobs keep the remaining cores saturated. The result is responsive interactive performance without sacrificing aggregate throughput.
5. 12 cores / 24 threads: hardware multi-threading lets each physical core run two instruction streams, so concurrent workloads — legacy line-of-business applications — share the die without context-switch overhead. When you size licenses or plan VM placement, thread count is the number the scheduler actually sees.
If your roadmap includes legacy line-of-business applications, the Intel Xeon E5-2690 v3 turns architectural decisions into predictable outcomes. Its 12-core layout sizes the node for expected concurrency, the 3.5 GHz turbo headroom keeps interactive paths responsive, and 768 GB of addressable memory gives the platform room to grow. Every unit passes functional testing before shipment, and our bulk-pricing desk keeps multi-socket refresh projects inside budget.
Q: What memory does it require?
A: The platform supports DDR4 1600/1866/2133. Use ECC registered memory (RDIMM/LRDIMM) — desktop UDIMMs are not compatible with Xeon sockets. Faster modules will downclock to the processor's rated speed.
Q: What workloads suit 12-core processors best?
A: With 12 cores / 24 threads, this processor is sized for multi-threaded server workloads: virtualization hosts, database servers, and application consolidation. Single-threaded-light environments (file servers, internal tools) will leave headroom unused.
Q: Can I mix this processor with different models in the same server?
A: In multi-socket servers, matched processors (same model, same stepping) are strongly recommended. Mixed models can cause boot failures or instability because memory controllers and QPI/UPI links negotiate to the lowest common configuration.
Q: Will 135 W TDP fit my server's cooling budget?
A: 135 W is within the standard envelope for its socket generation, so existing chassis cooling handles it under sustained all-core load. Confirm your server's supported TDP range if you are upgrading from a lower-tier part.
Q: Does this CPU include a cooler?
A: Server processors are typically installed with chassis-specific heat sinks, so none is included. Match the heat sink to your server model for correct airflow direction — our team can advise on the right part.
