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Dell PowerEdge R6525

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Cloud Ninjas' Dell PowerEdge R6525 Specifications


The Dell PowerEdge R6525 is a 1U server designed for High Performance Computing (HPC), Virtual Desktop Infrastructure (VDI), Virtualization, and more. The R6525 is very similar to the R650 but accepts AMD EPYC processors instead of Intel Xeon.

Bay Counts

There are three bay count and form factor options for the PowerEdge R6525. There is a 4 Bay LFF, 8 Bay SFF, and 10 Bay SFF option. The 4 Bay LFF chassis accepts up to four 3.5” hot-swap SAS/SATA drives. 8 Bay SFF accepts up to eight 2.5” SAS/SATA drives. Lastly, the 10 Bay SFF chassis accepts up to ten 2.5” hot-swap SAS/SATA/NVMe drives. With the 10 Bay SFF chassis, you can install two rear drive bays into the back of the system. These drive bays allow you to install two additional 2.5” hot-swap SAS/SATA/NVMe drives.

Chassis Rear & PCIe Slots

There are three possible R6525 rear configurations. The differences between each configuration is it’s PCIe slots and whether it has a rear drive kit. The first configuration has two full-height PCIe slots and no rear drive bays. The second configuration has three low-profile PCIe slots with no rear drive bays. The last configuration has one low-profile PCIe slot and two 2.5” drive bays. Each of these rear configurations have two 1GbE RJ45 Ethernet ports, an OCP card slot, a dedicated iDRAC port, a BOSS S2 module, a system ID button, USB 2.0 and 3.0 ports, a VGA port, and two hot-swap power supply bays.

Processing Power

The Dell PowerEdge R6525 server has two SP3 CPU sockets. This server accepts 2nd or 3rd generation AMD EPYC processors. A maximum of 64 cores per processor is supported.

AMD EPYC 7002 Series (2nd Generation)

CPU Cores Frequency Cache
7F72 24 3.20 GHz 192 MB
7F52 16 3.50 GHz 256 MB
7F32 8 3.70 GHz 128 MB
7H12 64 2.60 GHz 256 MB
7742 64 2.25 GHz 256 MB
7702 64 2.00 GHz 256 MB
7702P 64 2.00 GHz 256 MB
7662 64 2.00 GHz 256 MB
7662 64 2.00 GHz 256 MB
7642 48 2.30 GHz 256 MB
7552 48 2.20 GHz 192 MB
7542 32 2.90 GHz 128 MB
7532 32 2.40 GHz 256 MB
7502 32 2.50 GHz 128 MB
7502P 32 2.50 GHz 128 MB
7452 32 2.35 GHz 128 MB
7402 24 2.80 GHz 128 MB
7402P 24 2.80 GHz 128 MB
7352 24 2.30 GHz 128 MB
7302 16 3.00 GHz 128 MB
7302P 16 3.00 GHz 128 MB
7282 16 2.80 GHz 64 MB
7272 12 2.90 GHz 64 MB
7262 8 3.20 GHz 128 MB
7252 8 3.10 GHz 64 MB
7232P 8 3.10 GHz 32 MB

AMD EPYC 7003 Series (3rd Generation)

CPU Cores Frequency Cache
7773X 64 2.20 GHz 768 MB
7763 64 2.45 GHz 256 MB
7713P 64 2.00 GHz 256 MB
7713 64 2.00 GHz 256 MB
7663 56 2.00 GHz 256 MB
7643 48 2.30 GHz 256 MB
7573X 32 2.80 GHz 768 MB
75F3 32 2.95 GHz 256 MB
7543P 32 2.80 GHz 256 MB
7543 32 2.80 GHz 256 MB
7513 32 2.60 GHz 128 MB
7473X 24 2.80 GHz 768 MB
7453 28 2.75 GHz 64 MB
74F3 24 3.20 GHz 256 MB
7443P 24 2.85 GHz 128 MB
7443 24 2.85 GHz 128 MB
7413 24 2.65 GHz 128 MB
7373X 16 3.05 GHz 768 MB
73F3 16 3.50 GHz 256 MB
7343 16 3.20 GHz 128 MB
7313P 16 3.00 GHz 128 MB
7313 16 3.00 GHz 128 MB
72F3 8 3.70 GHz 256 MB


The PowerEdge R6525 server has 32 DDR4 DIMM slots inside. There are eight memory channels for each CPU. Each memory channel consists of two DIMM slots. DIMM slots are colored either white or black to help distinguish the memory channels.

Supported Memory Types and Capacities

Two types of memory can be used with the PowerEdge R6525: ECC Registered (RDIMMs) and Load Reduced (LRDIMMs). Module capacities of 8GB, 16GB, 32GB, 64GB, and 128GB are supported by the R6525 server. One thing to note is that 128GB modules can only be used with Load Reduced. With LRDIMMs, an overall greater RAM capacity can be reached than if you were to use RDIMMs. With RDIMMs, the greatest possible configuration is 2TB (2048GB) with 32x64GB. With LRDIMMs, you can reach 4TB (4096GB) with a configuration of 32x128GB.

Supported Memory Speeds

The PowerEdge R6525 server supports memory speeds of 2666MT/s, 2933MT/s, and 3200MT/s. The processor that you install into your server will determine the maximum memory speed that your DIMMs can operate at. If you install a processor with that supports a lower maximum speed than the speeds you have installed, then the memory modules will clock down to the maximum supported speed. For example, if the installed processor supports a max speed of 2666MT/s, and you install 2933MT/s modules, the modules will operate at 2666MT/s.


There are many potential storage options that you can install into your PowerEdge R6525. The chassis of the R6525 determines whether you can install 2.5” or 3.5” drives. If your system has a rear drive kit, then two additional 2.5” drives can be installed. The R6525 accepts HDDs, SSDs, and M.2s. Supported drive interfaces for the R6525 are: SATA, SAS, and NVMe

Supported Drives
Form Factor Type Speed Rotational Speed Max Capacity Per Drive
3.5" SATA 6 Gb 7.2 K 10 TB
3.5" SAS 12 Gb 7.2 K 10 TB
2.5" SATA 6 Gb SSD 3.84 TB
2.5" SAS 12 Gb SSD 3.84 TB
2.5" SATA 6 Gb 7.2 K 2 TB
2.5" SAS 12 Gb 7.2 K 10 TB
2.5" SAS 12 Gb 10 K 2.4 TB
2.5" SAS 12 Gb 15 K 900 GB
M.2 SATA 6 Gb SSD 240GB
2.5" (U.2) NVMe Gen4 SSD 7.68TB

NVMe Options & Upgrades

NVMe offers major performance benefits over most non-NVMe drives. Because of this, NVMe is used in datacenters around the world, where speed is crucial. Depending on what R6525 chassis you have, NVMe drives can be installed.

U.2 NVMe and Backplane NVMe

Out of the three R6525 chassis options, only one of them allow you to install U.2 NVMe drives into the backplane. This chassis is the 10 Bay SFF chassis. This chassis can accept up to ten 2.5” U.2 NVMe solid state drives. The 4 Bay LFF and 8 Bay SFF chassis have an NVMe capable backplane. If your system has a rear drive kit, you can install two 2.5” NVMe SSDs.

M.2 NVMe

You may be wondering if the Dell R6525 supports NVMe M.2 drives. M.2 drives can be installed via the BOSS S1 or S2, however NVMe is not supported. Neither the S1 or S2 support NVMe M.2 drives.

Power Supplies

The Dell PowerEdge R6525 can accept up to two hot-swap power supply units (PSUs). Hot-swap means that the PSUs can be added or removed while the server is powered on, as long as one unit remains plugged into the system.

Wattage Options

Wattage options for the PowerEdge R6525 are 800W, 1100W, and 1400W. For more power-intensive applications, a 1100W or 1400W power supply is the best choice. For lower end applications, a 800W power supply works just fine.

Voltage Options

Voltage options for the R6525 are Mixed Mode and -48VDC. Mixed Mode power supplies support a power input of 100-240VAC. -48VDC power supplies support a power input of (-48)-(-60) VDC. Mixed mode options are only available with 800W, 1100W, and 1400W power supplies. -48VDC power supplies are only available with 1100W. It is important to make sure that your connection is supported by your power supply, or your system may not power on.

RAID Options

The Dell PowerEdge R6525 has many storage controllers and adapters to choose from. There are (PERC) RAID and non-RAID options. The type of controller you use depends on your application. If configure RAID is something you do not need, then a non-RAID adapter will be your best choice. Non-RAID adapters can be used as a boot or data controller. On the other hand, if you need the ability to configure RAID, then a PERC RAID controller is your best bet. You can also use a software RAID, but it will be limited when compared to a hardware RAID.

RAID Options RAID Levels Cache Drive Speeds PCIe Generation RAID Hardware
S150 onboard software 0,1,5,10 None 6 Gb/s SATA/NVMe PCIe Software
HBA345 None None 3Gb/s SAS/SATA
12Gb/s SAS
PCIe 3.0 Hardware
HBA355 None None 3Gb/s SAS/SATA
12Gb/s SAS
PCIe 4.0 Hardware
HBA355e None None 3Gb/s SAS/SATA
PCIe 4.0 Hardware
H345 0,1,10 None 3Gb/s SAS/SATA
12Gb/s SAS
PCIe 3.0 Hardware
H745 0,1,5,6,10,50,60 4GB NV 3Gb/s SAS/SATA
12Gb/s SAS
PCIe 3.0 Hardware
H755N 0,1,5,6,10,50,60 8GB NV Gen3 (8 GT/s) NVMe
Gen4 (16 GT/s) NVMe
PCIe 4.0 Hardware
H840 0,1,5,6,10,50,60 8GB NV 6Gb/s SATA
12Gb/s SAS
PCIe 3.1 Hardware

Network Interface Card Options

If you want to connected a device to the Internet, it will need some type of Network Interface Card (NIC). A NIC can manifest as ports that are built-in to the motherboard. A NIC can also manifest as additional card that can be installed into the system. The R6525 has two 1GbE RJ45 ports that are built-in to the motherboard. The R6525 accepts OCP and/or PCIe network cards as well. There are options for RJ45, fiber, or both.

Systems Management Solutions

The Dell PowerEdge R6525 has a ton of system management and support options. These options include but are not limited to: LC 3.x, OpenManage, QuickSync2.0, OMPC3, Digital License Key, iDRAC Direct, Easy Restore, and more.

  • ⦿ Integrated Dell Remote Access Controller (iDRAC 9)
  • ⦿ iDRAC Service Module (iSM)
  • ⦿ OpenManage Ansible Modules
  • ⦿ OpenManage Essentials (OME)
  • ⦿ OpenManage Mobile (OMM)
  • ⦿ OpenManage Integration for VMware vCenter (OMIVV)
  • ⦿ OpenManage Integration for Microsoft System Center (OMIMSSC)
  • ⦿ Dell EMC Repository Manager (DRM)
  • ⦿ Dell EMC System Update (DSU)
  • ⦿ Dell EMC Platform Specific Bootable ISO (PSBI)
  • ⦿ Dell EMC Chassis Management Controller (CMC)
  • ⦿ OpenManage Connections for Partner Consoles
  • ⦿ OpenManage Enterprise Power Manager
  • ⦿ OpenManage Integration with ServiceNow (OMISNOW)

Supported Operating Systems:

The Dell PowerEdge R6525 supports a vast amount of operating systems. These operating systems include multiple Linux distributions and different versions of VMware ESXi and Windows Server. These operating systems include, but are not limited to:

  • ⦿ Red Hat Enterprise Linux 7
  • ⦿ Red Hat Enterprise Linux 8
  • ⦿ Red Hat Enterprise Linux 9
  • ⦿ SuSE Linux ES 15
  • ⦿ Ubuntu Server 18.04 LTS
  • ⦿ Ubuntu Server 20.04 LTS
  • ⦿ VMware ESXi 6.5
  • ⦿ VMware ESXi 6.7
  • ⦿ VMware ESXi 7.0
  • ⦿ VMware ESXi 8.0
  • ⦿ Window Server 2016
  • ⦿ Window Server 2019 LTSC
  • ⦿ Window Server 2022 LTSC

Technical Information Overview

The Dell PowerEdge R6525 is a powerful 1U rackmount server, that can handle almost anything you throw at it. It is loaded with features that expand the cababilities of the system. Learning about these features is the best thing you can do to fully take advantage of the perks of the R6525. We have compiled a few guides that are useful for learning the ins and outs of the Dell PowerEdge R6525 server.

Technical Guide

Learn the ins and outs of the R6525: View PowerEdge R6525 Technical Guide

Specification Sheet

Specification Sheet: View PowerEdge R6525 Spec Sheet

Installation and Service Manual

Need help installing/replacing components or with using diagnostic's tools? The Installation and Service Manual is a fantastic resource: View PowerEdge R6525 Installation and Service Manual

Integrated Dell Remote Access Controller 9 User's Guide

Everything you need to know about iDRAC 9, all in one place: View PowerEdge R6525 iDRAC 9 User's Guide

Lifecycle Controller User's Guide

Navigate Lifecycle Controller with the Lifecycle Controller User's Guide: View PowerEdge R6525 Lifecycle Controller Setup Guide

Dell Systems Management Overview

Learn about the R6525's System Managment Technologies: View PowerEdge R6525 Dell System Management Overview Guide

Customer Reviews

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Cloud Ninja One Year Warranty


Cloud Ninja warrants the hardware product and accessories contained in the original packaging (“Cloud Ninja Product”) against defects in materials and workmanship when used normally in accordance with Cloud Ninja' guidelines for a period of ONE (1) YEAR from the date of original retail purchase by the end-user purchaser ("Warranty Period"). Cloud Ninja’s guidelines include but are not limited to information contained in technical specifications and user manuals communications from Brand.

Please note: All claims made under the Cloud Ninja’s One-Year Limited Warranty will be governed by the terms set out in this warranty document.


This Warranty does not apply to any non-Cloud Ninja sold hardware products or any software, even if packaged or sold with Cloud Ninja hardware. Manufacturers, suppliers, or publishers, other than Cloud Ninjas, may provide their own warranties to you – please contact them for further information. Cloud Ninjas does not warrant that the operation of the Cloud Ninja Product will be uninterrupted or error-free. Cloud Ninjas is not responsible for damages arising from failure to follow instructions relating to the Cloud Ninja Product’s use. We do warranty drives used for Chia plotting or mining. We support the Crypto community and love what they are building. However, Chia burns through drives and we cannot provide warranty for Chia.

This Warranty does not apply: (a) to consumable parts, such as batteries or protective coatings that are designed to diminish over time, unless failure has occurred due to a defect in materials or workmanship; (b) to cosmetic damage, including but not limited to scratches, dents and broken plastic on ports; (c) to damage caused by use with another product; (d) to damage caused by accident, abuse, misuse, liquid contact, fire, earthquake or other external cause; (e) to damage caused by operating the Cloud Ninjas Product outside original manufacturer’s published guidelines; (f) to damage caused by service (including upgrades and expansions) performed by anyone who is not a representative of Cloud Ninjas or a Cloud Ninjas Authorized Service Provider; (g) to a Cloud Ninjas Product that has been modified to alter functionality or capability without the written permission of Cloud Ninjas; (h) to defects caused by normal wear and tear or otherwise due to the normal aging of the Cloud Ninjas Product, or (i) if any serial number has been removed or defaced from the Cloud Ninjas Product.



Before receiving warranty service, Cloud Ninjas or its agents may require that you furnish proof of purchase details, respond to questions designed to assist with diagnosing potential issues and follow Cloud Ninjas’ procedures for obtaining warranty service. Before submitting your Cloud Ninjas Product for warranty service you should maintain a separate backup copy of the contents of its storage media, remove all personal information that you want to protect and disable all security passwords.


Following warranty service your Cloud Ninjas Product or a replacement device will be returned to you as your Cloud Ninja Product was configured when originally purchased, subject to applicable updates. You will be responsible for reinstalling all other software programs, data and information. Recovery and reinstallation of other software programs, data and information are not covered under this Warranty.

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