Guides · 8 min read
Buying used servers: what really matters
Generation, form factor, CPU, memory, controller, remote management and warranty: the points that decide whether a used server fits your workload.
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Server Processors
Server processors from Intel and AMD determine how many cores, memory channels and PCIe lanes your system can use. We stock Intel Xeon E5 v4 for socket LGA2011-3, 1st and 2nd Gen Xeon Scalable (Skylake, Cascade Lake) for LGA3647 and AMD EPYC 7002 for socket SP3. Before buying, check the socket and BIOS version (Cascade Lake needs a current BIOS in Dell 14G and HPE Gen10 servers), the maximum TDP your heatsinks and fans are rated for, the supported socket count (Silver up to 2S, Gold mostly up to 4S, Platinum up to 8S) and identical models in dual-socket systems. Used EPYC processors can be locked to one server vendor via Platform Secure Boot; we only sell unlocked CPUs. Every CPU is inspected for contact damage and tested. Warranty is 12 to 24 months.
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- Warranty up to
- 36 months
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Server processors: choosing Intel Xeon Gold, Xeon E5 v4 or AMD EPYC
Whether it's an Intel Xeon Gold, a Xeon E5-2680 v4 or an AMD EPYC: a server processor only fits the platform whose socket, motherboard and BIOS were designed for it. The table shows the generations in our range with matching servers. Below it you'll find advice on choosing a model and a guide to swapping CPUs.
Sockets and platforms at a glance
| Generation | Socket | Max. cores | Memory per CPU | PCIe per CPU | Servers (examples) |
|---|---|---|---|---|---|
| Xeon E5-2600 v4 (Broadwell) | LGA2011-3 | 22 | 4 channels, DDR4-2400 | 40 lanes 3.0 | Dell R630, R730, T630; HPE DL380 Gen9, BL460c Gen9 |
| 1st gen Xeon Scalable (Skylake-SP) | LGA3647 | 28 | 6 channels, DDR4-2666 | 48 lanes 3.0 | Dell R640, R740, T440; HPE DL360/DL380 Gen10, ML350 Gen10; Lenovo SR630/SR650 |
| 2nd gen Xeon Scalable (Cascade Lake) | LGA3647 | 28 | 6 channels, up to DDR4-2933, Optane PMem 100 | 48 lanes 3.0 | as 1st gen, current BIOS required |
| 3rd gen Xeon Scalable (Ice Lake-SP) | LGA4189 | 40 | 8 channels, DDR4-3200, Optane PMem 200 | 64 lanes 4.0 | Dell R750 |