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The Dell PowerEdge R7525 is a refurbished 2U Rack server (15G) for the AMD EPYC 7002 or 7003 series processor, DDR4 · up to 8192 GB · 32 DIMM slots · up to 3200 MT/s · ECC. Drive layouts: 8x 3.5-inch SAS/SATA; 8x 2.5-inch NVMe; 12x 3.5-inch SAS/SATA; 16x 2.5-inch SAS/SATA; 24x 2.5-inch SAS/SATA/NVMe. Every unit is tested, warrantied and shipped from Canada; configure it online with parts that are checked for compatibility.
Best for: storage, virtualization.
| Form factor | 2U Rack |
|---|---|
| Generation | 15G |
| CPU | 2 socket(s) · AMD EPYC 7002 or 7003 series processor · SP3 · max 280 W TDP |
| Memory | DDR4 · up to 8192 GB · 32 DIMM slots · up to 3200 MT/s · ECC |
| Drive bays | 8x 3.5-inch SAS/SATA; 8x 2.5-inch NVMe; 12x 3.5-inch SAS/SATA; 16x 2.5-inch SAS/SATA; 24x 2.5-inch SAS/SATA/NVMe |
| Storage controllers | PERC H755, PERC H755N, PERC H745, PERC H345, HBA345, HBA355 · boot: BOSS-S1 (2x M.2 SSDs), BOSS-S2 (2x M.2 SSDs), IDSDM (2x SD cards) · M.2 boot |
| PCIe | Gen 4.0 · 8 slots |
| Networking | 2x 1GbE LOM · OCP 3.0 slot |
| GPU | up to 3 GPUs |
| Power | 800W Platinum, 1100W Titanium, 1100W, 1400W Platinum, 2400W Platinum · redundant · hot-swap |
| Management | iDRAC9 · iDRAC9 Express |
| Cooling | ASHRAE A4 · hot-swap fans |
| Dimensions | 86.8 × 482.0 × 736.29 mm · {'8x 2.5-inch': 24.6, '8x 3.5-inch': 33.2, '12x 3.5-inch': 36.3, '16x 2.5-inch': 26.6, '24x 2.5-inch': 28.6} kg |
Real parts from our catalog for this chassis, priced from live market listings and vendor offers:
Chassis pricing is quoted by our team; component prices come from live market listings and vendor offers and are refreshed nightly. Lines without market evidence are quoted by our team.
For compatible GPUs and recommended slots, consult the technical guide, specifically page 27. The maximum power draw for GPUs is detailed in the table on page 7. [community thread]
First, ensure that the CPUs and memory modules are properly seated and compatible. Clear the NVRAM by using the onboard jumper or removing the battery to reset the BIOS settings. If the issue persists, it may indicate a fault with the motherboard. [community thread]
To identify if your R7525 chassis is OEM, check the service tag on the Dell support page. If it is OEM, the support page will explicitly indicate this. [community thread]
The H755N requires NVMe-specific cables, which are different from those used for SAS PERC cards. Ensure that your server's configuration supports the necessary backplane for the H755N, as it typically accommodates specific drive setups. [community thread]
To set PXE as the first boot option, access the System BIOS Settings, navigate to Boot Settings, and then UEFI Boot Settings. You may need to disable other boot options to ensure that PXE remains the primary boot device, as changes to the UEFI boot sequence may not persist otherwise. [community thread]
Ensure that the service tag has been correctly imported to the new motherboard, as this is crucial for iDRAC to recognize the system. If you encounter errors like RAC0508, RED098, or RAC1236, they may indicate issues with BMC initialization, firmware compatibility, or internal errors during recovery. [community thread]
First, perform a flea power drain by shutting down the server, disconnecting all power and network cables, and holding the power button for 20 seconds. After waiting for 3 minutes, reconnect the NIC and power cables, allowing 2 minutes for the system to initialize before powering on. If the issue persists, reduce the system to its minimum components required for POST and check for any faulty parts. [community thread]
To enable Resizable BAR on the PowerEdge R7525, check the BIOS settings for options related to memory addressing, such as 'Above 4G Decoding' or 'Resizable BAR'. If these options are not visible, ensure that your BIOS is updated to the latest version. [community thread]