Lenovo ThinkStation P520: CPU Support List
The Lenovo ThinkStation P520 is a powerful single-socket workstation that supports Intel Xeon W-series processors. This article provides a detailed compatibility list of CPUs supported by the P520, along with their specifications and upgrade instructions.
Supported Processor Families
Skylake-W Processors (Xeon W-21xx Series)
| Feature | Details |
|---|---|
| Socket | LGA2066 |
| Core/Thread Count | 4 to 18 cores (Hyper-Threading up to 36 threads) |
| Base Clocks | 2.3 GHz – 4.0 GHz |
| Turbo Boost | Up to 4.5 GHz |
| L3 Cache | 8.25 MB – 24.75 MB |
| TDP | 120W – 140W |
| Memory Support | Quad-channel DDR4 ECC, Up to 2666MHz, Up to 512GB RAM |
| PCIe Lanes | Up to 48 PCIe 3.0 lanes |
| Security | Intel vPro, VT-x, VT-d |
Cascade Lake-W Processors (Xeon W-22xx Series)
| Feature | Details |
|---|---|
| Socket | LGA2066 |
| Core/Thread Count | 4 to 18 cores (Hyper-Threading up to 36 threads) |
| Base Clocks | 3.6 GHz – 4.1 GHz |
| Turbo Boost | Up to 4.6 GHz |
| L3 Cache | 8.25 MB – 24.75 MB |
| TDP | 120W – 140W |
| Memory Support | Quad-channel DDR4 ECC, Up to 2933MHz, Up to 1TB RAM with Intel Optane |
| PCIe Lanes | 48 PCIe 3.0 lanes |
| Security | Hardware mitigations for Spectre & Meltdown |
Lenovo ThinkStation P520 CPU Support List
The table below lists all compatible processors for the Lenovo ThinkStation P520 Workstation. The links will direct you to the Bargain Hardware listing where you can purchase the CPU, subject to stock availability.
| Processor Model | Cores / Threads | Base Clock Speed | Max Turbo | Cache | TDP (W) |
|---|---|---|---|---|---|
| Xeon W-2102 | 4 / 4 | 2.9 GHz | N/A | 8.25 MB | 120W |
| Xeon W-2104 | 4 / 4 | 3.2 GHz | N/A | 8.25 MB | 120W |
| Xeon W-2123 | 4 / 8 | 3.6 GHz | 3.9 GHz | 8.25 MB | 120W |
| Xeon W-2125 | 4 / 8 | 4.0 GHz | 4.5 GHz | 8.25 MB | 120W |
| Xeon W-2133 | 6 / 12 | 3.6 GHz | 3.9 GHz | 8.25 MB | 140W |
| Xeon W-2135 | 6 / 12 | 3.7 GHz | 4.5 GHz | 8.25 MB | 140W |
| Xeon W-2145 | 8 / 16 | 3.7 GHz | 4.5 GHz | 11 MB | 140W |
| Xeon W-2155 | 10 / 20 | 3.3 GHz | 4.5 GHz | 13.75 MB | 140W |
| Xeon W-2175 | 14 / 28 | 2.5 GHz | 4.3 GHz | 19.25 MB | 140W |
| Xeon W-2195 | 18 / 36 | 2.3 GHz | 4.3 GHz | 24.75 MB | 140W |
| Xeon W-2223 | 4 / 8 | 3.6 GHz | 3.9 GHz | 8.25 MB | 120W |
| Xeon W-2225 | 4 / 8 | 4.1 GHz | 4.6 GHz | 8.25 MB | 105W |
| Xeon W-2235 | 6 / 12 | 3.8 GHz | 4.6 GHz | 8.25 MB | 130W |
| Xeon W-2245 | 8 / 16 | 3.9 GHz | 4.7 GHz | 16.5 MB | 155W |
| Xeon W-2255 | 10 / 20 | 3.7 GHz | 4.5 GHz | 19.25 MB | 165W |
| Xeon W-2265 | 12 / 24 | 3.5 GHz | 4.6 GHz | 19.25 MB | 165W |
| Xeon W-2275 | 14 / 28 | 3.3 GHz | 4.6 GHz | 19.25 MB | 165W |
| Xeon W-2295 | 18 / 36 | 3.0 GHz | 4.6 GHz | 24.75 MB | 165W |
CPU TDP Compatibility
Update 19.05.25: Recent in-house research has identified that TDP capability of a Lenovo P520 is determined by its model number. To ensure CPU compatibility, check whether your system supports high or low TDP processors. For guidance, read our P520 CPU TDP Compatibility article.
How to Replace or Upgrade Your CPU
Follow these step-by-step instructions to safely replace or upgrade the CPU in your P520 workstation. For safety purposes, Bargain Hardware advises that you consult the User Guide (found on the P520 Model Homepage) before replacing any components in your machine.
- Power off your workstation and disconnect all cables.
- Discharge static electricity using an anti-static wrist strap or by touching a grounded metal object.
- Open the workstation case to access the motherboard.
- Locate the CPU socket and carefully remove the heatsink.
- Unlock the CPU socket lever and remove the current CPU.
- Install the new CPU, ensuring proper alignment with the socket.
- Apply thermal paste and reattach the heatsink securely.
- Reconnect all cables, close the case, and power on the workstation.
Upgrade Tips
- Ensure your BIOS is updated to the latest version to support newer processors.
- Use a cooling solution rated for the processor's TDP to avoid overheating.
- Pair your processor with compatible ECC memory for maximum stability and performance.
Configure the Lenovo P520 Online
Customise the Lenovo P520 Workstation using our industry-leading online configurator. Each component is professionally refurbished and rigorously tested to meet the highest standards. With fast shipping available across the UK, EU and worldwide, plus an included 3-year RTB warranty, you can deploy your workstation quickly and with complete confidence.
Configure the Lenovo P520