Dell offers the R720 in various backplane configurations with up to 16 2. Request support or replacement parts online, integrate support APIs into your help desk or train your staff on our products and solutions. DC power supply1 A new 1100W DC power supply option will be available for the R720 and R720xd. Hold down the power button continuously for at least 10 seconds. It has 12 VMs, including a nearly always used plex server and another server that is running the World Community Grid (not a powerful VM) It sits around 300watts. The performance ceiling is also very high with the e5-2667v2 typically being seen. White Papers. 5 1 or 2 ENERGY STAR® Power and Performance Data Sheet Dell PowerEdge R720 Featuring the Dell Energy Smart 1100W PSU and Intel E5 2640 System Characteristics 2U 2 24 /. Setting the standard for feature flexibility in a 2-socket, 2U rack server, PowerEdge R720 is built to run complex workloads using highly scalable memory, I/O capacity and flexible network options. DC power supply A new 1100W DC power supply option is available for the R720 and R720xd. Power Measured During Benchmark Run 232. PowerEdge is the cornerstone of Dell’s foundation to help businesses drive faster business transformation, deliver greater insights with Generative AI, and accelerate AI/ML/DL operations at the speed of business. Based on our previous observations, we know that the PowerEdge C4140 server consumes. PDF. $395. Dell PowerEdge R230 R330 Server CPU Cooling Processor Heatsink RJHXF. Share. General Server Details: CPU(s): 2 x Intel E5 Multi Core Memory: 12 DIMM Slots (Max 384GB) RAID: PERC H330, PERC H730 1GB NV, PERC H730P 2GB NV HDD: 2. 00. 0 slots for expansion. I have also added a gt 1030 to a PowerEdge 420 (1u) with no problems. Improve this answer. com! Email Download PDF (301k) View the full article as a PDF > The PowerEdge R740 was designed to accelerate. As an extension to Dell OpenManage Enterprise, this. 5-inch internal hard drives or 8 3. ₹ 88,499. Energy consumption is tested at 230 Volts / 50 Hz. The Integrated Dell Remote Access Controller (iDRAC) is designed to make server administrators more productive and improve the overall availability of Dell servers. 14 0. The PowerEdge R820 showcases Intel’s latest E5-4600 Xeons in a superbly built system packed with features. Hold down the power button continuously for at least 10 seconds. View PDF. 5" or 3. 10892. The PowerEdge R730 offers redundant hot-swap power supplies in 495-, 750- and 1100-watt models; dual- and quad-port Gbit Ethernet options; out-of-band management; and, of course, Dell's iDRAC. It will give you the results of input power, maximum power, BTU's, etc. Buy Dell PowerEdge R720 Rack Server In India Online. Feature PowerEdge R830 technical specification Form factor 2U rack Dimensions H: 86. 1908 BTU/hr maximum (495 W power supply) 2891 BTU/hr maximum. 5 SATA drives, 80GB of memory, and a few extra NICs it uses about 160W at idle, and between 160-220W depending on what is running. Parts & Repairs. Then reload the lookup files from the PRTG web interface. 5. OpenManage는 PowerEdge 서버의 배포, 업데이트, 모니터링및관리주기를단순화합니다. Dell PowerEdge R720 power technologies PowerEdge R720 Total OPM CPU % Power set point (W) Power utilization (W) Perf/wat Peak No activity t Maximum performance with no power cap 463,625 98. Download. Drivers & Downloads. Documentation. Comparing Power Efficiency of the Dell PowerEdge R720 and HP ProLiant DL380p Gen8 Rack Servers Publish date: 26 APR 2013. Dell PowerEdge R720 Dimensions and Rack Compatibility. Click Finish on the System BIOS screen. 4. DC power supply1 A new 1100W DC power supply option will be available for the R720 and R720xd. The Dell R730 supports DDR4 DIMMs, which provide faster speeds, higher compute density, and lower power consumption than the DDR3 series memory modules. NOTE: The following specifications apply to both PowerEdge R720 and PowerEdge R720xd unless specified. PSU specifications. You can also learn how to optimize the performance, scalability, and reliability of. maintaining Dell PowerEdge servers. Service Events. This service is temporarily unavailable. RackSolutions specifically designed a slide rail kit to. 5" or 3. System dimensions. Add to Cart. The PowerEdge R720 chassis is 2 rack units in height, has a depth of 29 inches and will fit in standard EIA 19 inch racks. The PowerEdge R710 reduces power consumption while increasing performance capacity versus previousThe Dell PowerEdge R720 is a rackmount server taking up 2U of space. System battery specifications. iii PowerEdge R720 and R720xd Technical Guide Table of contents 1 System overview. 1. PowerEdge R740. 5 英寸硬盘驱动器系统 (PowerEdge R720xd) 28. Setting the standard for feature flexibility in a 2-socket, 2U rack server, PowerEdge R720 is built to run complex workloads using highly scalable memory, I/O capacity and flexible network options. The iDRAC’s Automatic Certificate feature automatically assures SSL/TLS certificates are in place and up-to-date for both bare-metal and previously. The power connectors are 6+2, so they can be used for 6 or 8 pin cards. Dell Fresh Air 2. All 11G servers are designed to make the experience easier. mantenimiento de sus servidores Dell PowerEdge. It is very safe to assume that SSD consumes less power, a typical SSD will use up to 4w durning write operations, and hardly anything while idling. After installing additional RAM modules, the system is warning at startup that it may not have enough power capacity to meet the demands. When installing a second power supply in an existing server, the wattage must match the first. White Papers. WARNING: Before performing the following procedure, review the safety instructions that came with the system. 01 iDRAC 7 Firmware Version 2. Dell PowerEdge R720 PowerEdge R720 • Hasta 24 DIMM • Ranuras de expansión compatibles con PCIe 3. See the Power, thermal, and acoustics section for details. The Dell PowerEdge R630 The Dell PowerEdge R630 is a powerful 1U configuration for small to mid-sized businesses. Alert log- Current sensor detected a failure value Sensor location: System Board Pwr Consumption Chassis location: Main System Chassis Previous state was: OK (Normal) Current sensor value (in Watts): 1190. ) View and Download Dell PowerEdge R720 technical manual online. My R720 was operating perfectly, I shut it down for a few weeks when I was out of town. Dell PowerEdge R720 E5-2650 2. 99 in), D: 811. Rails allow for the most efficient use of space when mounting servers. Dell PowerEdge R710 El servidor Dell PowerEdge R710 con el rendimiento del procesador Intel® Xeon® series 5500 y 5600 le ofrecen un rack de 2U para abordar eficientemente un amplio rango de aplicaciones empresariales clave. When installing a second power supply in an existing server, the wattage must match the first. 0. PowerEdge R720. The technical and environmental specifications of your system are outlined in this section. The Dell™ PowerEdge™ R720 and R720xd are Dell’s latest two-socket, 2U rack servers that are designed to run complex workloads using highly scalable memory, I/O capacity, and flexible. 2 公斤（64. This micro-architecture providesThe adapter utilizes Broadcom's quad-port RNDC BCM5720 integrated controller to deliver lower power consumption and Energy Efficient Ethernet™ (EEE), reducing IT operation costs. 0 Dell has tested and validated select 13th generation PowerEdge servers that operate at higher temperatures helping you reduce your hours of economization or even go chiller-less. Dell PowerEdge R720 power technologies PowerEdge R720 Total OPM CPU % Power set point (W) Power utilization (W) Perf/wat Peak No activity t Maximum performance with no power cap 463,625 98. that can help manage power consumption. The PowerEdge 2950 chassis is 2 rack units in height, has a depth of 28 inches and will fit in standard EIA 19 inch racks. Processor specifications. ago. Drivers & Downloads. I have the R710 II, with 8x 2. View PDF View Page. Comparing Power Efficiency of the Dell PowerEdge R720 and HP ProLiant DL380p Gen8 Rack Servers Publish date: 26 APR. Connecting The Power Cable (s) Securing The Power Cable (s) Turning On The System. ★★★★★ ★★★★★ 4. Dell Sites. blog. minimize the rack footprint and power usage in colocated data centers. 4. After shutting down my server (poweredge r720) i'm not able to boot it back up again. This means that processing hefty workloads will be made easier, effectively catering to evolving business requirements. (See Figure 1. 5-inch internal disk capacity • Up to 24 DIMMs • PCIe 3. tools that can help manage power consumption. PowerEdge R720. that can help manage power consumption. Dell PowerEdge R730 comes with up to two internal GPU accelerators. 34 at $. Anyway, I see the R720 and 720xd offer 3 different options for power supplis. According to Dell’s specifications, the PowerEdge R720 has a maximum power consumption of 750 watts. Dave Mitchell May 1,. Documentation. 3 112. 0 1,276 Real-world performance (80% CPU utilization) with no power cap 361,766 79. View PDF. The new Intel Xeon processor E5-2680-powered Dell PowerEdge R720 2U rack server incorporates many improvements and features designed to improve performance, lower power consumption, and make maintenance easier. Same cooling and vibration reduction as PowerEdge 2950 III servers. Power Measured During Benchmark Run 216. View PDF. General Server Details: CPU(s): Up to 2 x Intel Xeon SP Multi Core Memory: 24 DIMM Slots (Max 3TB) RAID: PERC H330, PERC H730P 2GB NV, PERC H740P 8GB NV HDD: 2. 60. File Format: Flash BIOS executable. Chassis weight. 8 PowerEdge R720 and R720xd Technical GuideThe Dell™ PowerEdge™ R720 and R720xd are Dell’s latest two-socket, 2U rack servers that are designed to run complex workloads using highly scalable memory, I/O capacity, and flexible. Service Events. View PDF View Page. Power consumption. Connect the peripherals to the system. 5 SAS drives draws a little under 200w at idle. 5MB per core; core options: 4, 6, 8, 10, 12,. We put all external ports, power. LCD Panel Features. Power supply wattages are 495W, 750W, 1100W AC and 1100W DC. I have a PE720 with a H710 512mb and I get between 5-30MB/s transfer rate to a single 800gb LB806R dell enterprise ssd. We have two completely separate power circuits (PDU) at our datacenter. Publish. I usually opt for the two PSUs for redundancy. Wait about 2 minutes before powering on server to give the iDRAC time to initialize. Dell PowerEdge R720 and R720xd Owner's Manual. Installing The Optional Bezel. The Dell Services team takes a holistic view of your needs and designs solutions for your environment and business objectives while leveraging proven delivery methods, local talent, and in-depth domain knowledge for the lowest TCO. Some of these features include the following: Performance. Icarusfixius. Rails allow for the most efficient use of space when mounting servers. Parts & Repairs. 5" PCIe SSDs. Table 19 lists the tools and technologies Dell offers to help you achieve your data center goals by lowering power consumption and increasing energy efficiency. The technical and environmental specifications of your system are outlined in this section. PowerEdge R720xd Hardware Specifications. Power Indicator Codes. Storage: Up to 38TB, up to twenty six 2. File Name: R720-020504C. 50. Power supply wattages are 495W, 750W, 1100W AC and 1100W DC. 8-inch hard drives or 10 x 2. The Transformative Power of Liquid Cooling: A Sustainable Shift in Data Center Carbon Emissions; Liquid Cooling Economics: Reducing Costs by 1,400% on Connectors through “Negative Pressure” Technology. Will each server balance. Not that CPU power was lacking to begin with, and either are a big. The Dell™ PowerEdge™ R510 server follows the 11th generation (11G) PowerEdge portfolio specifications and features — the same system design commonality and reliability — true to the entire portfolio. Either an R720 with dual E5-2690 or the 730 with dual E5-2630v3. 5 A (X 2) (with 1100 W AC power supply unit). 94 磅） 3. Energy Consumption* Energy efficiency benefits the environment and lowers the total cost of equipment ownership by reducing power consumption. Dell reserves the right to make changes without further notice to any products herein. So other than wattage a R720 should hold up fine. Dell PowerEdge R720 Featuring the Dell Energy Smart 1100W PSU and Intel E5 2640 System Characteristics Form Factor Available Processor Sockets Available DIMM Slots /. Dell R720 power supply rating. ⭐️ Excellent Customer Service. 12Gb/s SAS SAS-3 doubles the interface bandwidth from the previous generation at 12Gb/s. ago. Dell PowerEdge R720 Server Supports 2 Intel Xeon CPUs, Max 768GB RAM, Max 32TB Storage-Delivers Most Mission-Critical Workloads, Virtualized environments, Customizable Server, With 1 Years Warranty, Tech Support & Instant Shipping Anywhere In India: Delhi. Other Information You May Need. Overview. Unpacking a Rack System. Once the issue has been addressed by Dell and the status of the Power Units is once again reported as OK, simply delete the lookup in the custom subfolder. 35 mm (1. Publish. 12 磅） 重量（空置） 2. 8 PowerEdge R720 and R720xd Technical GuideThe Dell EMC PowerEdge T340 is a robust Intel Xeon E-2100 series server. Have pulse width modulation (PWM) speed control – the motherboard can control the fan speed based on how hot the server gets. 5” SAS, SATA, or SSD + two PCIe SSD, with a maximum internal storage of of 10TB. 06 mm (31. RackSolutions specifically designed a slide rail kit to fit the shoulder screws of the PowerEdge R650. 0 • Opciones de tecnologías de NIC • SSD PCIe de acceso frontal yconectablesencaliente opcionales • Aceleradores de GPU internos opcionales El Dell™ PowerEdge™ R720, que establece el estándar de flexibilidad de las funcionesThe Dell PowerEdge R720 server is engineered with 12th-generation technology that delivers an exceptional combination of features and scalable performance to handle tough workloads for both large and small data center environments. Dell OpenManage Power Center Dell OpenManage Integrations:Dell PowerEdge R720 PowerEdge R720 • Fino a 24 moduli DIMM • Slot di espansione compatibili con PCIe 3. 7 kw/h in consumption, my energy cost at 17 cents per kwh, over 30 days come out to about $86. This time we take a look at the PowerEdge R920, a server duty-built to drive mission critical applications like. Table 19 lists the tools and technologies Dell offers to help you achieve your data center goals by lowering power consumption and increasing energy efficiency. The R720's dual e5-2630 v2 beats this easily at 10402/ea for only ~$80 for 2. Publish. 12Gb/s SAS With fourth-generation SAS (SAS-3), we will again see a doubling of interfaceThe Dell™ PowerEdge™ R720 and R720xd are Dell’s latest 2-socket, 2U rack servers that are designed to run complex workloads using highly scalable memory, I/O capacity, and flexible. 3. Print Check out this page on Dell. The PowerEdge R720 is an impressive rack server that crams an excellent range of features into its 2U chassis. I swapped my 1100w dual PSU with 750w - same thing no led indicator when. It can be done by pressing the power button or by using the iDRAC. A new optional feature though, designed to take the performance. Con los procesadores Intel ® Xeon E5 y con la capacidad de brindar soporte a controladoras RAID, el servidor R720 puede manejar rápidamente cargas de trabajopower. Parts & Repairs. 2. when i leave the server unpowered for a couple of hours then it will turn on but turning it off and trying to turn it on again won't work. View PDF View Page. Two AC or DC redundant power supply units. Toggle menu. Updated: September 2023. Documentation. Documentation. 674. 81 0. DaHumanSponge. The PowerEdge server line . Most of the bottom barrel R720s on Labgopher come with dual e5-2620 which scores 7935 per processor. tools that can help manage power consumption. The Dell PowerEdge R710 server has 4 Gigabit network ports. The modest dimensions will appeal to space constrained data centres looking a balanced combination of processing density, high memory capacity, low power consumption and value. )The Dell™ PowerEdge™ R720 and R720xd are Dell’s latest 2-socket, 2U rack servers that are designed to run complex workloads using highly scalable memory, I/O capacity, and flexible. 5 btu/h. PowerEdge R730xd. 5 英寸硬盘驱动器系统 (PowerEdge R720) 11. 2 in) Processor Intel ® Xeon processor E5-2600 v4 product family Processor sockets 2 Cache 2. A lightly loaded PSU is least efficient. PowerEdge R720 server pdf manual download. If you care about power usage AT ALL, make sure you go into the Bios -> System profile and make sure the settings are configured to "Performance per Watt". Hide Table of Contents. 0 的扩展插槽 • 多种网卡技术可供选择 • 可选配正面插接的热插拔PCIe 固态硬盘 • 可选配内置GPU 加速器 双路2U 机架式Dell™ PowerEdge™ R720 服务器树立了功能灵活性方面的新标准，配备Summary Between customers’ sustainability initiatives to reduce carbon emissions, and demands to control energy consumption and costs, the ability to report, analyze and action server power usage data has become a key initiative. dhiru1602 •. To insert the new power supply, insert the block in the slot. Fresh Air cooling Dell has tested and validated an integrated data center solution that enables you to operate at higher temperatures or even chiller-less. 46 mm (30. I am wondering if looking at the higher density chassis with 16 or 24 HDD bays, is it a requirement to get an 1100 watt PSU or will the 750 watt suffice? Thanks again! Spice (6) Reply (11) flag Report. 3 112. R720で仮想化を促進 大容量メモリを搭載可能なPowerEdge R720では、仮想環境を拡張する ことで、データセンターのアプリケーション容量を最大限まで高めることがで きます。業界トップクラスのハイパーバイザの選択とデルのシステム管理Dell has been on the forefront of creating servers that combine innovative features to create industry-leading products. We currently have two in-warranty Dell R710 with dual E5649's and 128GB of memory, and have no performance complaints. Dell PowerEdge T620 review. PowerEdge Servers. PLEASE HELP IF YOU CAN! Few days ago I've purchased a certified refurbished Dell poweredge R710 from amazon with following specs : Processors: 2 x 2. PowerEdge R6615 Powerful performance per investment dollar The new Dell PowerEdge R6615 is a 1U, single-socket rack server. En définissant un nouveau standard de flexibilité dans un serveur rack 2U à 2 sockets, le serveur Dell™ PowerEdge™ R720 est conçu pour exécuter des charges de travail complexes grâce à sa mémoire hautement évolutive, sa capacité d’E/S et ses options de réseau flexibles. We are doing a series on Intel Xeon E-2100 series servers, and other servers in the segment and the PowerEdge T340 is the best-built server in its class. Dell PowerEdge R730 and R730xd Technical Guide. Also for: Poweredge r720xd. exe. 351K. I have provided a client with a proposal that includes 80 PowerEdge R430 Production Servers with 64GB RDIMM and 400 X2 GB SSD + PowerEdge Management Servers with 32GB RDIMM and 300 X 2 GB SSA, housed in 3 Dell Netshelter cabinets. 7 kw/h in consumption, my energy cost at 17 cents per kwh, over 30 days come out to about $86. All fans regain connectivity less than a minute later and then read fine. 00GHz Rackmount Configurable Server . This service is temporarily unavailable. In Chris first answer he explains everything you need to know about your question. General Server Details: CPU(s): Up to 2 x Intel Xeon SP Multi Core Memory: 24 DIMM Slots (Max 3TB) RAID: PERC H330, PERC H730P 2GB NV, PERC H740P 8GB NV HDD: 2. The PowerEdge R720 and R720xd support up to two AC or DC power supplies with 1 + 1. 0, while Lenovo ThinkSystem Rack. In some systems, large changes can be made in processor temperatures with little fan power. Parts & Repairs. that can help manage power consumption. How to physically install a server in a rack or tower mode is explained in this article. 3V. 0 Dell has tested and validated select 13th generation PowerEdge servers that operate at higher temperatures helping you reduce your hours of economization or even go chiller-less. About Your System. Dell engineered the PowerEdge R720 to handle complex. The R720 is based on a 2U rack-mounted design. Dell Fresh Air 2. Operating System: Windows Server 2012 R2. Download the technical guide to explore the. 6. PowerEdge R310 Dimensions and Rack Compatibility. Setting up the system. 2014. PSU specifications. Power supply wattage for R720? Posted by beta on Apr 28th, 2012 at 12:29 PM Solved Dell Hardware Hi again, Been thinking about getting a new Dell 12G server. Insert power cables and network cables back into the system. 9. I have put a monitor on it, plugged in the 4 power supply's and left it just. Dell Fresh Air 2. Press the release latch and then slide the power supply unit out of the chassis. 5” drives hot-plug SAS, SATA, or SSD or up to four hot-plug 2. How to set up and manage your iDRAC or CMC for Dell PowerEdge 9G, 10G, 11G, 12G, 13G, 14G, 15G, 16G and Blade Servers. Dell PowerEdge R720 PowerEdge R720 • 最多可配24 个DIMM • 支持PCIe 3. Get information about assigned power capacity. 2014 . Link to Detailed Power Calculator (if available) Minimum Typical Maximum Benchmark Used and Type of Workload Avg. Electricity is (pretty much always) sold by the thousands of watt-hours. 2 113. 5. Dell Servers Support Forum. PSU specifications. Front-Panel Features and Indicators (2. We take great pride in listening to the voice of our customers, and the front-facing PCIe. Hold down the power button continuously for at least 10 seconds. Dell PowerEdge R720. Few days ago I've purchased a certified refurbished Dell poweredge R710 from amazon with following specs : Processors: 2 x 2. PowerEdge R720 and R720xd Technical Guide Built to run complex workloads using highly scalable memory, I/O capacity and. iDrac and iLO both have a power meter so you can view your servers average consumption. 4 1,233 The PowerEdge R720 and R720xd support up to two (2) AC or DC Dell PowerEdge R720 Power Supplies with 1 + 1 redundancy, auto sensing, and auto-switching capabilities. Unpacking a Rack System. The Dell PowerEdge R730 uses Intel Xeon E5 V4 processors. PowerEdge R720. R720で仮想化を促進 大容量メモリを搭載可能なPowerEdge R720では、仮想環境を拡張する ことで、データセンターのアプリケーション容量を最大限まで高めることがで きます。業界トップクラスのハイパーバイザの選択とデルのシステム管理Dell 600GB 15K RPM SAS 12Gbps 2. As a 12th generation PowerEdge, the R820 also incorporates Dell’s Fresh Air cooling design which allows the server to operate above 35°C/95°F to reduce power consumption and related cooling. 8 PowerEdge R720 and R720xd Technical GuideDell R720Dell R720 Power Utilization Monitoring thru SNMP. The Dell PowerEdge M1000e fully populated with 16 PowerEdge M610 blade servers We currently have two in-warranty Dell R710 with dual E5649's and 128GB of memory, and have no performance complaints. PowerEdge 1750 346w 1180. Experience enterprise-class features in the rack-optimized 1U PowerEdge R320 server - ideal for your core business applications. 4. 30 at $. 4-Post, Open Frame Rack. 1. 00. Been getting ready to mess around with a Poweredge R730 and Rack 7910 today. 5 英寸硬盘驱动器系统 (PowerEdge R720) 29. 18. 00 ₹ 115,050. Dell Fresh Air 2. For older servers, you can use DCCP (Data Center Capacity Planner) from this link: Regards, Hi, I need to know the power consumption and efficiency of R720xd on. The. Start of following events: 2023-01-22 17:34. Service Events. Chassis dimensions. Install the system into the rack. Click Finish on the System BIOS screen. 0-capable expansion slots. Dell EMC PowerEdge R7040xd2 Technical Guide; Related Videos Previous. Dell's new iDRAC7 provides improved power. PSU specifications. 2 113. Both systems feature the ®Intel Xeon® processor E5-2600 product family, The Dell PowerEdge R720 12th Generation is a 2-socket, 2U server that features the Intel Xeon E5-2600 processor family and supports up to 768GB of DDR3 memory. So far we turned off the server, removing both power supply. Outstanding Server Utility. ) 300 310 320 330 340 350 360 370 380 390 Power Efficiency Comparison of the Dell PowerEdge R720 and HP ProLiant DL380p Gen8 Rack Servers 6 Results In this like-for-like comparison, the Dell PowerEdge R720 drew less power than the HP ProLiant DL380p Gen8 at idle, at 100% target load, and at all points between, while maintaining a slight performance advantage at 100% target workload. we are planning to place 5x Dell R720 server and 1 x Equallogic PS6210x. I have 5 of them in a rack with varying configs. The R720 and R720xd support advanced power monitoring and power capping tools that can help manage power consumption. £4522. 2 (20) $1,169. In a configuration with 2 E5-2650 v2 processors, 24 8GB DDR3 RDIMMs, dual 300GB 15K drives and redundant 750W power supplies you can expect idle power consumption to be roughly 97 watts. Power Consumption - Dell R910 Help I may have an opportunity to pickup a Dell Poweredge R910 to use for a home lab. This service is temporarily unavailable. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the. 1. Chassis dimensions. 0-V lithium coin cell system battery. Documentation. 50. 66. Jackpen7. 58 Link to Full Benchmark Report (Where Available) Minimum Typical Maximum Benchmark Used and Type of Workload Avg. )View and Download Dell PowerEdge R720 technical manual online. With about 2. ⭐ Free Shipping Across Europe. Supported operating systems.