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PowerEdge R520 Rack Server

Dell offers a wide range of professional services to simplify the assessment, design, implementation, management and maintenance of your IT environment and to help you transition from platform to platform.

Dell ProSupport
Dell ProSupport offers a suite of support services that enable you to choose support models based on how you use technology and where you want to allocate resources. We recommend Dell ProSupport Plus withSupportAssist for mission-critical systems or Dell ProSupport for premium hardware and software support for your PowerEdge solution. For hyper-scale data centers, we also offer ProSupport Flex for Data Center. Contact your Dell representative today for more information*.

Dell Enterprise Deployment Services
ProDeploy Enterprise Suite* offers a full range of deployment services and professional certifications to help you get more out of your technology starting on day one. Choose ProDeploy Plus for the most complete deployment offer available in the market, ProDeploy for expert configuration and installations, or Basic Deployment for worry-free hardware installations.

Dell Training Services
Dell Education Services offers PowerEdge Server training courses designed to help you achieve more with your hardware investment. The curriculum is designed in conjunction with the server development team, as well as Dell’s technical support team, to ensure that the training delivers the information and practical, hands-on skills you and your team need to confidently deploy, manage and maintain your Dell Server solution. To learn more or register for a class today, click here.

Sours: https://www.dell.com/aw/business/p/poweredge-r520/pd

PCI Express slots version

3.0

Rack mounting

Yes

Trusted Platform Module (TPM)

Yes

Compatible operating systems *

Microsoft Windows Server 2012 Microsoft Windows Server 2008 R2 SP1, x64 Novell SUSE Linux Enterprise Server Red Hat Enterprise Linux Citrix XenServer VMware vSphere ESXi Red Hat Enterprise Virtualization

CPU configuration (max)

2

Intel Rapid Storage Technology

No

Enhanced Intel SpeedStep Technology

Yes

Intel® Identity Protection Technology (Intel® IPT)

No

Intel® Wireless Display (Intel® WiDi)

No

Intel Virtualization Technology for Directed I/O (VT-d)

Yes

Intel® Anti-Theft Technology (Intel® AT)

No

Intel® Hyper Threading Technology (Intel® HT Technology)

Yes

Intel® My WiFi Technology (Intel® MWT)

No

Intel® Turbo Boost Technology

2.0

Intel® Quick Sync Video Technology

No

Intel® InTru™ 3D Technology

No

Intel® Clear Video HD Technology (Intel® CVT HD)

No

Intel® Insider™

No

Intel Flex Memory Access

No

Intel® Smart Cache

Yes

Intel® AES New Instructions (Intel® AES-NI)

Yes

Intel Trusted Execution Technology

Yes

Intel Enhanced Halt State

Yes

Intel VT-x with Extended Page Tables (EPT)

Yes

Intel Demand Based Switching

Yes

Intel® Secure Key

Yes

Intel TSX-NI

No

Intel® OS Guard

Yes

Intel Clear Video Technology

No

Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)

No

Intel 64

Yes

Intel Identity Protection Technology version

0.00

Intel Secure Key Technology version

1.00

Intel Virtualization Technology (VT-x)

Yes

Intel TSX-NI version

0.00

Intel Dual Display Capable Technology

No

Intel FDI Technology

No

Intel Fast Memory Access

No

Redundant power supply (RPS) support *

Yes

Mouse included

No

Keyboard included

No

Dell E-Value Code

dsper520

Sours: https://icecat.biz/en/p/dell/r520-8151/poweredge-servers-r520-23331623.html
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Dell's flagship PowerEdge R720 with its top-of-the-range Xeon processors isn't the only 2U dual-socket server in its PowerEdge family. For those with less demanding requirements there's the R520, designed around more modest silicon, with slimmed down memory and storage options to match.

dell-r520-2

Design
Over the years we've come to expect a lot of Dell's rack-mount servers — especially when it comes to chassis design. The R520 doesn't disappoint in this respect: the chassis is extremely well built, and heavy, topped by a full-length lockable lid giving access to a minimalist and spacious interior.

dell-r520-inside

On the downside, orange — the colour used by Dell to indicate hot-swap components — is sadly absent. The six cooling fans, for example, have blue markings, which means they can only be changed with the power off. Opt for redundant power, however, and the power supplies themselves can be hot-swapped: our review system shipped with two 495-watt units to suit the configuration provided.

Alternative 750W and 1,100W supplies are also available, as is a DC power option if required.

CPUs and RAM
Any of the processors from the Xeon E5-2400 line-up can be specified when ordering the Dell server, with four-, six- and eight-core implementations on offer here, plus a variety of feeds, speeds and power envelopes.

Our review server came with a pair of E5-2430 chips, clocked at 2.2GHz, with 15MB of L3 cache and a TDP rating of 95W. These have six cores each which means, with multithreading, that Windows sees 24 logical CPU cores.

dell-r520-taskmgr

Top ZDNET Reviews

Performance is very much down to processor choice, but running the Geekbench 64-bit processor benchmark our server returned a score of 18399. Quite a bit down on the 24329 of the PowerEdge R720 but, as that was equipped with 8-core E5-2600 processors, hardly surprising.

There's also much less room for RAM in the R520, with just 12 DIMM slots on the motherboard — half the number to be found inside its bigger R720 brother. Still, with a ceiling of 192GB that's a lot better than the 128MB supported by the old R510, enabling the server to be configured to suit a variety of applications — including memory-hungry server virtualisation — without breaking the bank.

Dell sent us 24GB of RAM in the shape of six 1,333MHz DDR3 modules. These had the ECC option to be expected on a server, but processor choice meant that a lower 1,067MHz clock was employed.

With some processors you can specify 1,600MHz RAM, and all setups can have memory mirroring and sparing configured to protect against memory failures.

Storage options
When it comes to storage, the R520 chassis can be ordered with fittings for either four or eight hard disks with — depending on what you specify — either one or two banks of front-mounted hot-swap bays. These can accommodate 3.5in. or (using special trays) 2.5in. drives with the usual choice of SATA, SAS and SSD disks cabled to Dell PERC RAID controllers.

A RAID controller, however, is entirely optional — and for customers with existing network storage somewhat superfluous as, on such deployments, local storage will mostly be used for the operating system. The review system, therefore, came with the minimum four bays with just one drive installed — a 100GB SATA SSD, on which we installed Windows Server 2008 R2 for our tests.

There was no RAID card either. Instead, the SSD was cabled to the 4-port SATA controller on the motherboard, although Dell does provide software RAID for this (assuming you're running Windows and have more than one disk) — an option it refers to as PERC S110, adding support for RAID 0, 1, 5 and 10.

Unfortunately the Dell Express Flash PCIe SSDs offered as an option on the R720 aren't available for this server. You can, however, specify both nearline and dual-ported SAS drives with spin speeds of up to 15,000rpm. External host bus adapters can also be ordered with four PCIe 3.0 slots available to accommodate these and other plug-in cards.

Networking and other options
You can't plug GPU accelerator cards into the PCIe slots in the R520, as you can in the R720, but these slots can be used to provide additional network ports. And that's over and above the two Broadcom Gigabit interfaces already on the motherboard — one of which carries additional responsibility for in-band remote management over the LAN.

As with other 12th-generation PowerEdge servers, the R520 features the latest iDRAC7 technology, with an improved web interface giving easier access to important data plus additional power monitoring and management features.

Our review unit came with basic command-line remote management only, although for £120 (ex. VAT) this can be upgraded to the iDRAC7 Express implementation with access to the latest Dell Lifecycle controller. Beyond that, the iDRAC7 Enterprise upgrade (a further £170 ex. VAT) adds a graphical remote console and virtual media plus a dedicated Gigabit port for remote monitoring and management.

Finally, there's a slot on the motherboard for an embedded hypervisor, which takes the form of a dual SD card module, the second card providing extra redundancy should one of the hypervisors fail. These can be preloaded with VMware or Citrix hypervisors, but there's no provision for Microsoft's Hyper-V.

Quick and quiet
With its single SSD, the PowerEdge R520 we tested was eerily quiet much of the time — even when pushed to do some real work. As a result, power consumption was low, and could be trimmed further if you're prepared to accept slightly slower processors.

The R520 is not as quick as the R720 and nowhere near as scalable, but it's no slouch; it's an affordable server that could be used for a variety of purposes, from basic file and print sharing through to mid-range virtualisation and private cloud duties.

Sours: https://www.zdnet.com/product/dell-poweredge-r520/
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