Technical specifications The following specifications are only those required by law to ship with your system. Включите компьютер. . 8 Front panel. Parts & Repairs. Connect the power cable. It is a dual socket Intel Xeon based server that supports up to 1. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid Product overview. Title: SATADOM for Dell PowerEdge R630, R730, and R730xd systems Author: Dell Keywords:Included with your Dell™ PowerEdge™ R630 appliance, you will receive a chassis with front panel and back panel features, and rails for racking. Dell, the DELL logo, PowerEdge, Compellent, EqualLogic, PowerVault, OpenManage, KACE and ReadyRails are. com! Email Download PDF (100k) View the full article as a PDF > With computing capability previously only seen in 2U servers, the ultra-dense PowerEdge R630 two-socket 1U rack server delivers an impressive solution for. 5” hard drives and/or SSDs. View PDF View Page. Overview. 24 x 1. 5-inch, internal, hot swappable SAS, SATA, or Nearline SAS hard drives. Aprenda a usar el panel frontal, el panel posterior, el controlador iDRAC9 y más. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors. Scannez pour voir des didacticiels vidéo, obtenir de laDell PowerEdge R730 and R730xd Technical Guide. PowerEdge R710 Technical Guide 9 Dell Management Console (DMC) DMC, powered by Altiris™ from Symantec™, delivers a single view and a common data source into the entire infrastructure. View PDF View Page. 5-inch hard drives or eight x 2. We would like to show you a description here but the site won’t allow us. The all disks are capable of seq. Samsung, Hynix and Micron make the DRAM and assemble modules. 5-inch hard drives or eight x 2. The owner's manual for the R630 state that the two PCIe slots in riser 1 are connected to processor 2. Consulting and deployment offerings are also available. Contact your Dell EMC representative today for more information. 5-inch hard drives. Four Dell PowerEdge Express Flash devices. Encienda el sistema. com. 28 cm. With computing capability previously only seen in 2U servers, the ultra-dense. We notice that SATA speeds on our R630 have sequential writes capped depending on performance profile used, plus additional constant base 100MB/s reduction. View PDF View Page. Order Refurbished Dell PowerEdge R630 1U Rack Server Price, 2 Socket Intel Xeon E5-2600 V4 Processor, 1. This service is temporarily unavailable. ii PowerEdge R630 Technical Guide This document is for informational purposes only. Dell R630 documentation set Refer to the documents listed below for Dell R630 server installation information and procedures. Topics: • Introduction • Featured technologies. 5 TB isn’t enough, the R730 can be configured for up to 3TB of memory using 24 DIMM slots, up to 128 GB per slot. PowerEdge R630 Technical Guide Ultra-dense, configurable, 2-socket, 1U versatile rack server for virtualization environments, large business applications or transactional databases ii PowerEdge R630 Technical Guide This document is for informational purposes only. Technical specifications The following specifications are only those required by law to ship with your system. The Dell PowerEdge R730 systems are rack servers that support up to two Intel Xeon E5-2600 v3 or Xeon E5-2600 v4 processors, up to 24 DIMMs, and 16 hard drives or solid state drives (SSDs). 5-inch hard drives or eight x 2. VGA ports The Video Graphic Array (VGA) port enables you to connect the system to. 戴尔 PowerEdge R630 用户手册 管制型号： E26S Series 管制类型： E26S001 8 月 2020 年 Rev. R630 is the first Dell Technologies 1U server with 2U computation capabilities. ii PowerEdge R630 Technical Guide This document is for informational purposes only. 653. System battery Expansion bus 33. Dell reserves the right to make changes without further notice to any products herein. 8-inch hard drives or 10 x 2. Overview. 4-Post, Open Frame Rack. View PDF View Page. 5TB of DDR4 19200R ECC Reg Memory. Hardware Type. 24 DIMM slots supporting up to 1536 GB of memory. Documentation. The Dell PowerEdge M630 is a half-height blade supported on the PowerEdge M1000e and PowerEdge VRTX enclosure and support up to: One or two Intel Xeon E5-2600 v3 or E5-2600 v4 processors. . Ensure that you always use ESD protection when working inside the system. Compared to the previous generation of Dell PowerEdge servers, the R620 has more drive bay options, more PCIe slots, PCIe 3. Drivers & Downloads. Dell PowerEdge R630 Scan to see how-to videos, documentation, and troubleshooting information. Dell PowerEdge R730xd Owner's Manual Publish date: 05 JUL. Internal controllers: PERC S130 (SW RAID), PERC H330, PERC H730, PERC H730P. Dell PowerEdge R620 Owner's Manual Dell PowerEdge R620 Technical Guide - LOJA TI Dell PowerEdge R820 Owner's Manual | Dell US Dell PowerEdge R620 - Quick Resource Locator Dell R620 Technical Guide Dell PowerEdge R720 and R720xd TechnicalDell PowerEdge R630 Owner's Manual . 8 Front panel. Dell EMC recommends that you use theDell poweredge r630 technical manual. Thirty two 2. 8 PowerEdge R620 Technical Guide 2 System features Compared to the previous generation of Dell PowerEdge servers, the R620 has more drive bay options, more PCIe slots, PCIe 3. . Eighteen 3. 9. 小心: “小心”表示可能会损坏硬件或导致数据丢失，并说明如何避免此类问题。. Tighten the screw diagonally opposite to the first screw you tightened. Enjoy members-only rewards and discounts. The Network page is displayed. 06 mm (31. 5-inch hard drives or eight x 2. Webinar - Redfish Overview. The Dell R630 is part of the 13th generation of PowerEdge servers. 24 x 1. Page 15: Figure 6. Locate the Service Manual or Owners Manual click PDF or HTML. The Dell PowerEdge FC630 is a half-height sled supported on the PowerEdge FX2 enclosure and support up to: One or two Intel Xeon E5-2600 v3 or E5-2600 v4 processors. 5 inch hard drives. The content provided is as is and without express or implied warranties of any. Server Dell PowerEdge T610 Hardware Installation Instructions. Generation. Unfortunately neither answer is helping I'm afraid. View PDF View Page. 5-inch hard drives or eight x 2. 24 x 1. Four optional NVMe Express Flash PCIe SSDs. New technologies. Memory 33. Overview. 5” HDD: SAS, SATA, nearline SAS SSD: SAS, SATA. Capable of a wide range of uses, the Dell PowerEdge R630 server is a 1U 2-socket powerhouse that easily plows through the most rigorous computing tasks. 35 mm (1. Dell EMC PowerEdge R740 Technical Specifications). Dell R630 Memory Upgrades– Cloud Ninjas Contact Cloud Ninjas today to help compare your options View the. A proven leader in Servers, Storage and Networking, Dell EMC Services deliver innovation at any scale. The Dell PowerEdge R730 server is a dual-socket 2U rack server that delivers high-performance and storage scalability. . Up to 1. 8-inch hard drives or 10 x 2. The ultra-dense PowerEdge R630 two-socket 1U rack server delivers an impressive solution for virtualization environments, large business applications or transactional databases. The 8 Bay SFF hot swap R630 chassis supports a total of 8 2. PowerEdge R630 Technical Guide Ultra-dense, configurable, 2-socket, 1U versatile rack. Before you begin, power off the system, and disconnect all the attached peripherals. Technical specifications The following specifications are only those required by law to ship with your system. 7. 00. View orders and track your shipping status. Technology Detailed Description. 5-inch hard drives. Consulting and deployment offerings are also available. Learn how to replace the intrusion switch on a Dell EMC PowerEdge T150. Storage Controllers. Chassis 31. Documentation. The ultra-dense PowerEdge R630 two-socket 1U rack server delivers an impressive solution for virtualization environments, large business applications or transactional databases. 8-inch hard drives or 10 x 2. Latitude 10 Tablet - Product Walkthrough with the Experts (Dell) 2:15. 5-inch hard drives or eight x 2. Publish date. NOTE: The Dell PowerEdge R630 system supports only internal, hot-swappable hard drives. This document is for informational purposes only. This document is for informational purposes only. Figure 5. Dell continues to offer post-warranty support, but Third-Party Maintenance (TPM) is available for most OEM equipment that is EOL. Dell reserves the right to make changes without further notice to any products. The PowerEdge R630 server is versatile and highly configurable for a variety of solutions, delivering the latest Intel® Xeon® processor E5-2600 v4 product family, 24 DIMMs of high-performance DDR4 memory and a broad range of local storage options. The technology allows administrators to deploy, monitor, manage, configure, update, troubleshoot and remediate Dell servers from any location, and without the use of agents. com About the PowerEdge R630 systems The Dell PowerEdge R630 is a rack server that supports up to two processors based on the Intel Xeon E5-2600 v3 processor family, up to 24 DIMMs, and storage capacity of. Dell, the DELL logo, PowerEdge, Compellent, EqualLogic, PowerVault, OpenManage, KACE and ReadyRails are. I use servers with the 3 PCIe slot option. PowerEdge R630 server pdf manual download. About your system Topics: • Front-panel features and indicators • Lcd panel features • Configuring iDRAC from the LCD panel • Diagnostic indicators We would like to show you a description here but the site won’t allow us. 5-inch hard. About. Dell Latitude D630 Service Manual. 5-inch hard drives Single processor: Up to four 1. Applying thermal grease on the top of the processor processor thermal grease thermal grease syringe Place the heat sink onto the processor. Choose the document format by clicking on the PDF or HTML link behind the Owner's Manual / User Manual entry or, if given, the Technical Specifications (e. Any documentation and specifications available would be listed on the R630 page linked below. . Dell EMC PowerEdge R640 overview The Dell EMC PowerEdge R640 system is a 1U rack server that supports up to: • Two Intel Xeon Scalable Processors • 24 DIMM slots • 8 x 2. 5 inch drives, and We would like to show you a description here but the site won’t allow us. A07 PowerEdge R730. System dimensions. Rated 4. 5-inch hard drives or eight x 2. PowerEdge R630. Publish date: 09 JUN 2022. 8-inch hard drives or 10 x 2. 15 PowerEdge R630 Technical Guide . Example setting up iDRAC IP using iDRAC settings utility (F2 during startup): Turn on the managed system. Connectez le clavier, la souris et le moniteur (facultatif). 8-inch SSDsDell poweredge r330 specs pdf The Dell PowerEdge R230 is a single socket rack server and supports the following hardware configuration: Component Quantity Processor The server supports one processor from these product families • Intel E3-1200 v5 or v6 series • Intel Core i3 6100 series • Intel Celeron G3900 series Dell PowerEdge. The R630 is a Dual Intel Processor server with 24 DIMMs total. Documentation. 6. 8-inch hard drives or 10 x 2. 6 PowerEdge R720 and R720xd Technical Guide 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 network options. Dell reserves the right to make changes without further notice to any products herein. 4TB Power Supplies: 2x 750W Platinum Power Supplies with 2x Power Cords RAID. The information below is excerpted from the Dell PowerEdge R630 Systems Hardware Owner's Manual and the Dell PowerEdge R630 Technical Guide, available. Dell 12 Gbps SAS HBA controller: The Dell 12 Gbps SAS HBA controller is a HBA that provides physical disk drive interface with no-RAID capability and is available in low-profile and full-height form factors for external storage. 5 inch hard drives. Dell technical support engineers may ask you to collect a support log bundle to aid in analyzing and resolving issues with the PowerVault ME5. You find detailed information about the memory configuration for your Dell server. Contact. 8 mm (3. • Up to twenty four 1. Select Device Settings. 5 inch hard drives. Dell PowerEdge R630 Owner's Manual Publish date: 09 JUN 2022 . Hide Table of Contents. 5. Overview. Notes, cautions, and warnings; Dell PowerEdge R630 system overview. . Drivers & Downloads. Supported configurations PowerEdge R630 Systems ConfigurationsPowerEdge R530. Technical specifications The following specifications are only those required by law to ship with your system. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. Figure 7. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. Tracking Consent PDFs Site Feedback HelpFlagship Techpoweredge-r630 | Dell PowerEdge R630 Owner's Manual | dell-poweredge-r630-system-overviewThe PowerEdge R630 chassis is 1 rack unit in height, has a depth of 30 inches and will fit in standard EIA 19 inch racks. 00 ₹ 71,500. . Notes, cautions, and warnings; Dell PowerEdge R630 system overview. The information below is excerpted from the Dell PowerEdge R630 Systems Hardware Owner's Manual and the Dell PowerEdge R630 Technical Guide, available on. In the file, search for the section named Technical Specifications. For a complete and current listing ofRecording studio Acoustical performance data for the R730 Consciously designed to scale with configuration and usage, sound from the PowerEdge R730 in minimal configuration is sufficiently quiet to be masked in open office layout environments. Download. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. The PowerEdge R640 is a general purpose platform expandable up to 7. View PDF. The R630 is the most popular 1U server from Dell's 13th Generation. . We would like to show you a description here but the site won’t allow us. . Dell EMC PowerEdge R7040xd2 Technical Guide; Dell EMC PowerEdge R940xa Technical Guide; Related Videos Previous. Dell r630 technical guide pdf DELL POWEREDGE R630 OWNER’S MANUAL Pdf Download. Publish date:. Recent Work. For a complete and current listing ofTechnical Guide Dell PowerEdge R630 SPECpower_ssj2008 User Guide TX200 S7 (v1. Documentation. In its compact design, the R630 can hold up to 1. Technical Guide Exceptionally flexible and scalable 2-socket, 2U rack servers delivering high-performance processing and a broad range of workload-optimized local storage. Cooling fan specifications. The R630 is a Dual Intel Processor server with 24 DIMMs total. 5-inch hard drives. Remove. ReadyRailsTM II sliding rails for tool-less mounting in 4-post racks with square or unthreaded round holes or. Two AC or DC redundant power supply units. It provides you with detailed information on the features, specifications, installation, configuration, and troubleshooting of the R720 and R720xd models. Drivers & Downloads. PowerEdge R630. pdf). 5'' Bays Processors: 2x 2. The internal Dell Remote Access Controller (iDRAC) factory default settings are: IP. We would like to show you a description here but the site won’t allow us. In the System Setup Main Menu page, click iDRAC Settings. 8-inch hard drives or 10 x 2. R720 internal chassis view PowerEdge R720 and R720xd. Overview. 1 Overview The Dell™ PowerEdge™ R410 is ideal for compute-intensive applications in space-constrained environments. 3rd Generation Intel ® Xeon Processor Scalable Family Consult the supported processors section for specific SKUPOWEREDGE R630 With computing capability previously only seen in 2U servers, the ultra-dense PowerEdge R630. 1 PowerEdge R630 Technical Guide Ultra-dense, configurable, 2-socket, 1U versatile rack server for virtualization environments, large business applications or transactional databases ii PowerEdge R630 Technical Guide This document is for informational purposes only. Supported configurations for PowerEdge R630 system; Front panel. 5-inch hard drives or eight x 2. 8-inch hard drives or 10 x 2. If you're looking a schematic, a block diagram, or something similar, then there wouldn't be anything I could provide to you. New technologies New technology Detailed description Intel Xeon Processor E5-2600 v3 product family The Intel Xeon processor E-2600 v3 product family has embedded PCIe lanes for improved I/O. 5-inch hard drives on the front panel, or 10 x 2. Connect the display. PSU specifications. PowerEdge R630服务器具有广泛的用途以及较高的 可配置性，可针对各种解决方案进行配置，同时提供 最新Intel® Xeon® 处理器E5-2600 v4产品系列、配有 24 个DIMM 插槽的高性能DDR4 内存以及多种本地存The ultra-dense PowerEdge R630 two-socket 1U rack server delivers an impressive solution for virtualization environments, large business applications or transactional databases. Dell PowerEdge R430 system overview. Condition. About your system The Dell PowerEdge R630 is a rack server that support up to two processors based on the Intel Xeon E5-2600 v3 processor family, up to 24 DIMMs, and storage capacity of up to 28 drive slots. 5-inch hard drives. 5. 3. 46 mm (30. 5-inch hard drives or eight x 2. Figure 1. Storage controller specifications. Resolve technical issues with this step-by-step guide. Based on DDR4 memory, this server has 24 DIMMs slots and dual Intel processors. In some cases, you likewise do not discover the publication Dell R620 Technical Guide that you. Processor. The power button controls the power supply output to the system. 0 Apr. Back panel features. Feature Technical specification Form factor Half-height blade with up to 16 nodes in a 10U M1000e chassis; up to four nodes in a VRTX chassis Dimensions H: 197. 24 DIMM slots supporting up to 1536 GB of memory. Compared to the previous generation of Dell EMC PowerEdge servers, the R740 and R740xd have more drive bay options, more PCIe slots, next-generation RAID controllers and advanced system management. 11 24 x 1. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. 8-inch hard drives or 10 x 2. The ultra-dense PowerEdge R630 two-socket 1U rack server delivers an impressive solution for virtualization environments, large business applications or transactional databases. Four optional NVMe Express Flash PCIe SSDs. Table 1. 9 mm (7. Disconnect the card from the cable and remove the card from the computer. 68TB of memory, up to twelve 2. 5 For contact details of Dell Global Technical Support: a Click Global Technical Support. Overview. Home. The. . 5-inch hard drive chassis. If you want multipath, you have to shell out for an external disk shelf. • Dell OpenManage Integration Suite for Microsoft. 24 DIMMs. 5TB DDR4 RAM/24 DIMM Slots, 23TB SAS/SATA SSD Or HDD Drives, Configured Dell R630 Server for virtualization, large business applications at Low Price In India, Dell Server to Your Exact. 2016 システム概要 ベース構成 カスタマイズ ベース シャーシ構成 プロセッサー メモリ RAID構成/RAIDコントローラ & ハードドライブ ネットワークカード PCIe 電源関連 光学ドライブ システム管理 仮想化Dell poweredge r740 technical guideDell poweredge r420 technical guide Dell poweredge r420 reviewDell poweredge r330xl planning, installation and service manual pdf. Overview. Memory. 8-inch hard drives or 10 x 2. poweredge-r630-dsms | Dell PowerEdge R630 Owner's Manual | dell-poweredge-r630-system-overviewThe Dell PowerEdge R630 rack server consists of a very compact build that allows for a lot of versatility and support for several different configurations. 25 PowerEdge R630 Technical Guide . Overview. Feature PowerEdge R640 PowerEdge R630 RAID Controller S140, HBA330, H330, H730, H730P, H740P,The Dell EMC PowerEdge R650 server is designed with a cyber-resilient architecture, integrating security deeply into every phase in the lifecycle, from design to retirement. Hide Table of Contents. 5-inch hard drives on the back panel. . As stated in the technical guide for the R630, the E5-2600 v3 supports 40 PCIe lanes. New technologies. The QRL is a model-specific Quick Response code located on the R630 chassis as shown in Figure 9. Dell EMC PowerEdge RAID Controller 10 User’s Guide H345, H740P, H745, H745P MX, and H840. Uploaded by Eduardo Diaz Delgado. Four optional NVMe Express Flash PCIe SSDs. 8-inch SSDs. 24 x 1. The Dell™ PowerEdge™ R630 is Dell’s latest 2-socket, 1U rack server designed to run complex workloads using highly scalable memory, I/O capacity and flexible network. Single processor: Up to eight 1. 5-inch hard drivesProduct overview. Topics: • Product comparison. Stabilizing the tower system (26 pages) Server Dell PowerEdge T605 Systems Hardware Owner's Manual. Overview. Test. (2 pages) Server Dell PowerEdge R630 Getting Started. 5 inch drives, and Technical specifications The following specifications are only those required by law to ship with your system. Manage your Dell EMC sites, products, and product-level contacts using Company Administration. I am trying to understand a limitation preventing us from running an R630 over an 100Gbe ethernet link. 5-inch hard drives or 4 x 3. Supported configurations PowerEdge R630 Systems Configurations Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. 8 Dell PowerEdge R630 system overview 1 Dell PowerEdge R630 system overview The Dell PowerEdge R630 rack servers support up to: • Two Intel Xeon E5-2600 v3 or v4 processors • 24 x 1. Documentation. ₹ 28,000. Processor specifications. Back panel. Diagnostic indicators. The PowerEdge R630 server is versatile and highly configurable for a variety of solutions, delivering the latest Intel® Xeon® processor E5-2600 v4 product family, 24 DIMMs of high-performance DDR4 memory and a broad range of local storage options. System features. 5-inch hard drives on the front panel, or 10 x 2. The Dell PowerEdge R430 systems are 2U rack servers that support up to two Intel Xeon E5-2600 v3 or Xeon E5-2600 v4 processors, up to 12 DIMMs, and ten hard drives or solid state drives (SSDs). (230 pages) Server Dell PowerEdge T605 Getting Started With. Documentation. 5-inch hard drives. 5-inch hard drives. Dell PowerEdge R730xd Owner's Manual Publish date: 05 JUL 2022. There are 12 DIMM slots per CPU. The Dell EMC PowerEdge R6515 (1U rack system) is a 1-socket, 1U server designed to run complex workloads, using highlyShane and Young, thanks for your replies. Single processor: Up to eight 1. 24 DIMMs. Storage controller specifications. A07PowerEdge R730. Topics: • Introduction • New technologies. Dell reserves the right to make changes without further notice to any products herein. Technical specifications The following specifications are only those required by law to ship with your system. *ℹ️ Download Dell PowerEdge R630 Manual (Total Pages: 2) for free in PDF. 59 in) PSU without bezel Processor Intel Xeon E7-8800 v4 and E7-4800 v4 processors Processor sockets 4 Internal interconnect Intel QuickPath Interconnect (QPI) Cache Up to 60MB. Contact your Dell Sales Representative for more information. 5-inch hard drivesDell PowerEdge R730 system overview. View PDF View Page. pdf) PowerVault DL4000 Manual (UPD: 01 Feb 2023, dell/powervault-dl4000. Designed for an affordable, virtualization-ready, 2-socket rack server, the PowerEdge R530 is an excellent platform for a wide range of business applications and small-scale virtualization. The Dell PowerEdge R230 is a single socket rack server and supports the following hardware configuration: Component. Poweredge r420 servers r730Dell poweredge r330 servidor r410 r420 serial number seminovo biareview r210 quadcore 64gb Refurbished dell poweredge r420 4p configure. It's perfect for small businesses, with failsafe hypervisors and iDRAC Quick Sync, valuable resources for server management. 8 PowerEdge R620 Technical Guide 2 System features Compared to the previous generation of Dell PowerEdge servers, the R620 has more drive bay options, more PCIe slots, PCIe 3. 28 cm. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. For a complete and current listing ofDell R620 Technical Guide Thank you totally much for downloading Dell R620 Technical Guide. 2022. 93 in) with PSU and bezel D: 776. The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. Technical specifications The following specifications are only those required by law to ship with your system. Owner's Manual Regulatory Model: E26S Series Regulatory Type: E26S001. 5 For contact details of Dell Global Technical Support: a Click Global Technical Support. For a complete and current listing of PowerEdge R630. Both systems feature the ®Intel Xeon® processor E5-2600 product family,The Dell PowerEdge R630 rack servers support up to: Two Intel Xeon E5-2600 v3 or v4 processors 24 x 1. We would like to show you a description here but the site won’t allow us. 1 Dell PowerEdge R630. 79 in), W: 50. System battery specifications. Place orders quickly and easily. 12 DIMMs. Intel E3-1200 v5 or v6 series. 5-inch hard drivesDell reserves the right to make changes without further notice to any products herein. 1 PowerEdge R630 Technical Guide Ultra-dense, configurable, 2-socket, 1U versatile rack server for virtualization environments, large business applications or transactional databases ii PowerEdge R630 Technical Guide This document is for informational purposes only. 5” HDD: SAS, SATA, nearline SAS SSD: SAS, SATA. Dell PowerEdge R630 Owner's Manual Regulatory Model: E26S Series Regulatory Type: E26S001 June 2022 Rev.