Many server components are manufactured by the same companies (Samsung, Broadcom, Intel) and rebranded by Dell, HPE, and Lenovo. This guide shows what is interchangeable and what is not.
Cross-Compatibility Matrix
| Component | Cross-Compatible? | Notes |
|---|---|---|
| DDR4/DDR5 Memory | YES | Match specs (speed, type, capacity) |
| 2.5″ SAS/SATA Drives | YES | Drive itself works, tray is brand-specific |
| NVMe SSDs (U.2) | YES | Standard interface, brand-specific tray |
| SFP/SFP+ Modules | YES | Standards-based, works across brands |
| PCIe Network Cards | YES | Intel/Mellanox NICs work in any PCIe slot |
| Processors (CPU) | YES | Same socket = compatible (match generation) |
| RAID Controllers | PARTIAL | Broadcom/LSI PCIe cards work cross-brand. Embedded/proprietary do NOT. |
| Power Supplies | NO | Proprietary form factors per brand+generation |
| Motherboards | NO | Model-specific, not interchangeable |
| Drive Trays/Caddies | NO | Brand and generation specific |
Memory Cross-Reference
All three OEMs use memory from the same manufacturers. The actual chips are identical:
Samsung makes chips for Dell (SNPXXXXC series), HPE (P-series), and Lenovo.
SK Hynix and Micron supply all three OEMs equally.
Buy by specs (DDR4-2666 32GB RDIMM 2Rx4) rather than OEM part number to save 40-60%. See server memory.
Storage Cross-Reference
Drives: A Seagate Exos or WD Ultrastar drive works in Dell, HPE, and Lenovo servers. Only the drive tray (caddy) is brand-specific.
SSDs: Enterprise SSDs from Samsung, Micron, and Intel work across all server brands.
Tip: Buy OEM trays separately and install any compatible bare drive. Significant cost savings.
Networking Cross-Reference
PCIe network cards from Intel and Mellanox work in any server with a PCIe slot.
Fibre Channel HBAs from QLogic and Emulex are cross-platform compatible.
SFP modules are standards-based. Third-party SFPs work in Cisco, Brocade, and other switches.
Frequently Asked Questions
Can I use Dell memory in an HPE server?
Yes, if the specifications match. A Samsung M393A4K40CB2-CTD is a 32GB DDR4-2666 RDIMM that works in Dell, HPE, and Lenovo servers. It is the same chip regardless of which OEM label is on it.
Are Dell PERC RAID controllers the same as Broadcom/LSI?
Yes. Dell PERC H730/H740 are rebranded Broadcom/LSI MegaRAID controllers with Dell firmware. The hardware is identical. However, Dell firmware is validated specifically for Dell servers.
Do HPE Smart Array controllers work in Dell servers?
No. HPE Smart Array controllers use proprietary HPE interfaces and firmware. They will not function in Dell or Lenovo servers. Use Broadcom/LSI for cross-platform compatibility.
Are SFP modules cross-compatible between brands?
SFP/SFP+ modules are standards-based and generally work across all server and switch brands. Third-party SFPs from companies like Finisar, Intel, or compatible brands work in Cisco, HPE, Dell, and other equipment.
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