Take advantage of fast and secure cloud storage with the Asustor Lockerstor 4RD 4-Bay 1U Rackmount NAS Enclosurefrom Asustor. Featuring four 3.5" SATA III drive bays, the Lockerstor 4RD provides RAID 5 read and write speeds up to 591 and 565 MB/s, respectively. A 2.1 GHz Intel Atom C3538 quad-core CPU and 8GB of DDR4 RAM ensure smooth performance and multitasking. Plus, two Gigabit and two 2.5 Gigabit Ethernet ports ensure snappy and redundant networking connections while also supporting link aggregation for enhanced performance. Three USB 3.2 Gen 1 Type-A ports are also present, allowing for easy expansion. Supporting RAID 0, 1, 10, 5, 6, Single and JBOD modes, this NAS enclosure can be used to serve files or back up critical data.

Stay safe thanks to 256-bit AES encryption as well as military-grade construction tested to resist drops and extreme temperatures. Two 40mm fans prevent overheating and two power supplies ensure redundancy in case one PSU fails. Plus, a PCIe expansion slot can be used to install an additional network card. LED indicators on the front panel allow for easy status monitoring, while a service light and Find Me utility can be used to locate your NAS in a crowded server environment. Running on ADM 3.5, the Asustor Lockerstor 4RD supports a range of apps and cloud-based storage options for easy access via a computer or iOS or Android device. This NAS enclosure is compatible with Windows Vista or later, macOS 10.6 or later, Linux, UNIX, and FreeBSD operating systems. Two power cables, two Cat 5e Gigabit Ethernet cables, and hard drive screws are included.

4 x 3.5" SATA III Drive Bays    2.1 GHz Intel Atom C3538 Quad-Core CPU    8GB of DDR4 RAM    2 x Gigabit Ethernet & 2 x 2.5 GbE Ports    4 x USB 3.2 Gen 1 Type-A Ports    RAID 0, 1, 10, 5, 6, Single & JBOD    AES 256-Bit Encryption    2 x 250W Power Supplies    1U Form Factor    ADM 3.5 Operating System

The thin 1U form factor brings 2.5 GbE connectivity and stable performance to your server rack. And, with four drive bays, you can easily install and expand SATA III storage. Or, use the PCIe slot to install a 10 GbE networking card, available separately.

A 2.1 GHz Intel Atom C3538 quad-core CPU and 8GB of DDR4 RAM make for an ultra-fast, ultra-smooth file sharing experience for your office.

The Lockerstor 4RD features two 250W power supplies for redundancy, ensuring your server remains online in the event that one power supply fails. Two Gigabit and two 2.5-Gigabit Ethernet ports ensure quick and efficient access. Ports can also be combined, with link aggregation increasing performance by up to 5 Gb/s while ensuring zero downtime in the event of one port going offline.

In enterprise environments, storage devices are commonly placed together in a server room. In order to allow administrators to quickly find the NAS from among many servers the Lockerstor 4RD provides a dedicated button on front panel. When this button is pressed, the LED service light on the rear panel of the NAS will light up. ASUSTOR also offers the AiMaster mobile NAS management app, which provides the exclusive Find Me function. When Find Me is activated, the system status light on the front of the NAS will flash and the system buzzer will sound, helping users to quickly find the NAS.

In addition to the four drive bays, the Lockerstor 4RD also sports four USB 3.2 ports, allowing you to create a tailored storage space for both your work and entertainment needs.

This NAS enclosure is designed for 24/7 use. Undergoing drop and extreme temperature tests, the 4RD provides durable storage in extreme conditions. Furthermore, heatsinks allow sensitive components to efficiently dissipate heat for a longer lifespan.

Protect your data from loss, damage, and attacks with the Lockerstor. A Lockerstor is better protected by utilizing the Linux-based ADM operating system, a built-in firewall, ClamAV Antivirus, MyArchive, and various backup tools.

Utilizing enterprise-class hardware and software, the Lockerstor 4RD is compatible with VMware, Citrix, Hyper-V virtual storage environments. Furthermore, iSCSI/IP-SAN and NFS support allow it to seamless integrate with existing IT environments, providing an optimal and cost-effective storage solution.

MyArchive cold storage technology turns NAS hard drives into removable storage archive drives. Directly insert a MyArchive hard drive into a free bay inside your NAS to easily access, backup, and share terabytes of content.

Users can now run the native Linux system on their NAS with access to a variety of Linux apps. Linux Center features easy installation without extra configurations, transforming the NAS into a computer with unlimited possibilities.

Nextcloud and OnlyOffice make collaborating on projects easier than ever by creating a cloud office suite for offices to work on documents, spreadsheets, presentations, and more.

This Asustor NAS provides seamless cross-platform and multi-user access, allowing you to easily connect to your NAS from Windows, macOS or Unix-like operating systems from a desktop, laptop, tablet, or smartphone.

The Lockerstor's ADM operating system is designed to help protect against ransomware attacks. Snapshot Center and BTRFS provide the ability to efficiently create snapshots to protect and easily restore lost data. Other security features found on the Lockerstor include the ability to create one or more replacement administrator accounts, a firewall by ADM Defender that features blacklists and whitelists, and the ability to change default ports and disable SSH and Terminal to prevent remote attacks. MyArchive cold storage hard drive security can also be increased by implementing 256-bit AES encryption.

Simple and easy to operate, EZ Sync UI allows you to quickly view NAS information. Plus, more complete settings and detailed folder lists make organization a breeze. You can also easily select folders and files not in a folder. Get notifications for abnormal statuses, and use 2-step verification to increase account safety. EZ Sync also streamlines connectivity and file sync stability for an optimized user experience.

Snapshot Center utilizes BTRFS and iSCSI volumes to take snapshots of the information inside a NAS. Supporting up to 256 snapshots of a volume, Snapshot Center can record data every five minutes so it can be restored easily if it is damaged or lost. MyArchive also supports BTRFS, snapshots, and version history to help protect against accidental deletions or modifications.

Cloud Backup Center brings support for various business cloud services including Backblaze B2, Baidu Cloud, IBM Cloud, Rackspace Cloud Files, Microsoft Azure Blob Storage, and Alibaba Cloud. Control your data with instant and scheduled backups as well as using Cloud Backup Center to create a hybrid cloud that keeps your data online and offline for increased protection.

DataSync Center combines multiple cloud services into a single app. DataSync Center includes Google Drive, Dropbox, and OneDrive and supports multitasking as well as multiple accounts. Control your data with instant and scheduled backups as well as using Cloud Backup Center to create a hybrid cloud.

Asustor's EZ-Connect technology allows you to connect to your NAS from anywhere with your Android or iOS device to securely access, download, upload, and share files and information. Asustor mobile apps securely protect your privacy and data by requiring passwords for access. You can also make use of HTTPS connections for even more security.

With thousands of images, Portainer can download and deploy a wide array of programs. Designed to be user friendly, Portainer employs a graphical interface for easy deployment of docker images.

Asustor's comprehensive backup solution provides more than twelve backup options, including, but not limited to Amazon S3, Dropbox, Google Drive, and OneDrive. Asustor Backup Plan for Windows and Time Machine for macOS provide easy backups for desktop and laptops while MyArchive removable hard drives provide long-term storage.

Use Asustor's App Central to browse through and download any applications that pique your interest. Whether your interests lie in business, website construction, or digital home entertainment, App Central has got you covered with over 200 unique apps.

Use RAID storage technology to protect your data or speed up performance. This NAS enclosure supports a number of different RAID level configurations that you can choose from when creating storage volumes, including RAID 0, 1, 10, 5, 6, Single, and JBOD modes. Each RAID level offers a differing degree of data protection, system performance, and storage space.

Two-step verification provides additional security for your ADM account. After configuration, in addition to your ADM account password, you will also need a phone verification code to sign in to ADM. With two-step verification, you can protect ADM account privacy and ensure data security with both a password and your personal mobile device. Please note, Windows phone users can employ the Authenticator App for verification, while Android and Blackberry users should choose Google Authenticator.

Windows Active Directory (AD) is a directory service created by Microsoft, widely used by many corporations, that allows IT administrators to centralize and manage resources over a network. This NAS enclosure allows users to access their own AD accounts after an Asustor NAS has been successfully added to a Windows AD domain. This provides simple and efficient management options for IT staff as they do not need to create new accounts for every NAS added to the domain.

ADM's interface provides management tools for network users and groups, allowing IT administrators to configure different folder access rights for each Windows AD user and group.

The Lockerstor 4RD provides comprehensive support for all 13 Windows ACL file permissions, allowing for close integration with AD domains and providing simplified IT management and increased productivity. According to needs, IT professionals can enable and disable Windows ACL for specific shared folders and can use ADM File Explorer or Windows Explorer to configure permissions. Configured ACL permissions can be applied to Samba, File Explorer, AFP, FTP, and WebDAV protocols, avoiding the need to configure permissions for each individual protocol and avoiding human errors that could cause access leaks. Furthermore, in order to allow files to maintain their original ACL settings after they have been moved to the NAS, ASUSTOR NAS supports the free 3rd party software FastCopy, for this unique job.

Let's Encrypt is a free, automated, and open certificate authority (CA) that provides a trusted certificate for free to anyone who owns a domain name. Certificates issued by Let's Encrypt are recognizable by all web browsers. The Certificate Manager in your Asustor NAS can directly connect to Let's Encrypt to generate a valid certificate and install it automatically. This helps you to enhance NAS security with an SSL connection in a fast and easy way at zero cost. Moreover, before the Let's Encrypt issued certificate expires, Certificate Manager can be configured to perform an automatic renewal.

The Network Recycle Bin mechanism has been updated in ADM 2.5.2 and is now based on individual shared folders rather than storage volumes. According to their needs, users can decide whether or not to enable a Network Recycle Bin for each individual shared folder, enjoying added configuration flexibility. Files that are moved to the Recycle Bin maintain their original directory structure, allowing added convenience should users need to search for already deleted files. The simple one-click restore function will restore selected files to their original directory path while conveniently maintaining all properties and permissions settings.

By providing block level replication, Rsync is able to offer incremental backup. Incremental backup allows for successive backup jobs to only copy data that has changed since your last backup job. Rsync is suitable for use with files and data that are always changing, letting you cut down on backup time while significantly reducing bandwidth usage.

Asustor's Rsync Backup function supports two-way data transfers, incremental backup, encrypted backup, and regularly scheduled backup jobs. Simplifying data backup and reducing the burden on IT staff, the Rsync backup function may be used to transfer or backup data from your NAS to a compatible server or initiate downloads from a compatible server to your NAS.

An internal backup function utilizes the full speed of the SATA III interface to backup data to MyArchive hard disks. No matter if it's confidential data storage or the archiving of video recording files, all can be scheduled to be backed up to MyArchive hard disks and then transferred to a secure location for safekeeping.

Asustor's Backup Plan software for Windows provides you with worry-free backup. Simply schedule a regular backup job from your computer to your NAS, then let Backup Plan take care of the rest. Backup Plan will work in the background to ensure that your computer is always backed up.

Use Time Machine to easily back up your Mac to the Lockerstor 4RD. This NAS enclosure is optimized for use with Mac computers, allowing for hassle-free backups.

Never again worry about your critical backup jobs stopping or failing to complete. For Rsync, FTP, and external and cloud backups, Asustor's Mission Mode allows you to configure the number of connection attempts and time interval for connection attempts. In addition to ensuring the success of your backup, Mission Mode also gives IT administrators a significant amount of flexibility when configuring backup jobs.

The built-in FTP Server feature allows you to create a personal FTP server in just a matter of seconds, allowing you to share and exchange files over the internet.

The ability to send and receive email is fundamental to all businesses. However, expensive implementation costs and complicated management create barriers for most small and medium sized businesses. Asustor's Mail Server feature offers a comprehensive and cost-effective solution that allows any business to easily maintain their own dedicated mail server.

Syslog Server supports standard Syslog protocols and can centrally aggregate system logs that are spread out over various network devices for storage and management. Furthermore, Syslog Server integrates with the NAS's Instant Notification function, allowing administrators to receive emails or SMS notifications when specified events occur, in order to quickly employ appropriate measures.

Always checking up on your NAS? Worried about your data and other digital assets? This NAS enclosure features real-time system event notifications for peace of mind. Notifications can be sent via email, SMS, or push notification, giving you a variety of ways to stay on top of the latest developments. Supported email service providers include Google, Microsoft, and other self-defined providers. Supported SMS service providers include Clickatell and Pushbullet.

Use ADM Defender's firewall to control access to your NAS. Ensure the security of your system by deciding who has access to your NAS and who doesn't.

The Lockerstor 4RD supports VPN connections for secure access and flexible deployment options. Your NAS is able to act as a VPN client which can then connect to VPN servers via PPTP or OpenVPN protocols, allowing you to gain access to different virtual private networks. This NAS also supports the creation of multiple VPN connection profiles, allowing you to easily switch connections between different VPN networks.

ADM Defender's Network Defender function protects you from malicious attacks and prevents hackers from trying to access your NAS. Any client IP addresses with too many unsuccessful login attempts within a specified time period will be blocked by Network Defender.

Folder-based military-grade 256-bit AES encryption gives you the type of security and privacy that you require for your most confidential data. All data stored in encrypted folders will be automatically encrypted. If you lose your NAS or hard disks, encryption prevents your sensitive data from falling into the wrong hands.

Asustor's snapshot technology provides almost instantaneous creation of snapshots. It saves a significant amount of time and storage capacity when compared with traditional LUN backups. Should files become damaged or corrupted, the simple and intuitive interface allows administrators to quickly restore data, completing disaster recovery in the fastest time possible and providing uninterrupted service.

Still wasting money and time burning CDs or DVDs every time you need to install some software? This NAS supports the mounting of ISO files for a cost effective and environmentally friendly alternative to CDs and DVDs.

After connecting an external optical drive to your NAS via USB, you can use File Explorer to access any files that you have backed up to optical media. Plus, transfer files from your optical media to your NAS via drag and drop functionality. Please note, this function only provides data access and does not support audio and video playback of optical media. Certain optical drives will require additional power in order to operate properly. If you find that your optical drive is not spinning or reading correctly, please use a USB Y-cable to add additional power.

Worried about leaving your home unattended? Keep an eye on the most important things with Surveillance Center. Surveillance Center's fully optimized interface allows you to simultaneously view live feeds from up to four IP cameras, take snapshots, and control the pan, tilt, and zoom functions of all cameras.

Surveillance Center comes with four license-free channels for up to four network IP cameras. This significantly lowers startup costs for your surveillance system. Whether using Microsoft Internet Explorer, Mozilla Firefox or Google Chrome, Surveillance Center's easy-to-use browser-based interface and quick start wizard will allow you to create a security surveillance system in no time.

Browse through the video collection on your NAS without needing to wait for long downloads or take advantage of high-definition 1080p streaming with just one click via AiVideos. You can even select multilingual subtitles and different audio channels to enjoy films in different languages. Please note, this feature is recommended for use with MXplayer and is supported on Android devices only.

Download videos from your NAS to your phone in just a few taps without needing to connect an external USB cable. If unstable Wi-Fi reception is causing long wait times for your downloads, simply switch to a more stable Wi-Fi signal and AiVideos will automatically resume your downloads.

AiSecure allows you to easily keep an eye on everything that is happening at home. In addition to monitoring live views of particular locations, AiSecure also features instant push notifications that can be sent to your mobile device when specified events occur, putting the latest developments in the palm of your hand.

AiSecure allows you to use a dedicated Cloud ID to connect to Surveillance Center after enabling Cloud Connect on your NAS. Simplifying surveillance feeds, this feature supports connections via cloud ID, auto discovery to Asustor devices on the same network, and IP or hostname.

Get access to your data in the cloud and on your NAS from the convenience of your mobile device with Asustor's AiData mobile app. With its intuitive interface and incorporation of well-known cloud storage services, AiData allows you to manage all the files on your NAS and across the cloud.

Use your mobile device to rename, copy, move, or delete data on your NAS. Save items as favorites for quick offline browsing while on the go or upload your photos directly from your phone to your NAS. Have a file on your NAS that you want to share? Instantly email download links to your friends and family.

Download data from your NAS to any folder on your Android or iOS device or upload files from folders on your Android or iOS device to your NAS. When browsing through data on your NAS, you can choose to list files in ascending or descending order according to filename, size, or date modified for easier organization.

Worried about losing your phone and accidentally giving someone full access to all the data on your NAS? Passcode protection is your first line of defense. When using passcode protection, you will need to enter a correct passcode before being able to use an ASUSTOR mobile app. This significantly enhances mobile privacy while ensuring that you won't have to worry about accidentally giving someone access to your NAS.

AiFoto presents each photo using refined thumbnail previews. Effortlessly browse through all your favorite memories stored on your NAS with just the swipe of a finger.

The automatic camera roll upload function ensures that you will never have to worry about how to back up your photos. Let AiFoto automatically take care of your backup needs. You can also open an online album and take photos that will be automatically uploaded to the album, giving you easy organization of your photos. Please note, iOS apps cannot perform automatic photo uploading background tasks for more than 3 to 10 minutes. Please keep the app running when trying to upload photos from an iOS device.

Protect your privacy with password encrypted offline albums that prevent unauthorized access.

AiMusic allows you to stream music from your NAS to your mobile device, letting you enjoy your entire music collection while on the go.

Play music from playlists that you create yourself for an optimal listening experience. Like listening to random songs? AiMusic's random play mode creates a random playlist from your entire music collection, providing a new listening experience each and every time.

Download songs from your NAS to your mobile device for offline listening. Easily download single songs, an album, or playlist for convenient listening.

Download files while on the go and have them ready as soon as you get home. AiDownload is a mobile app that works with Asustor's Download Center to provide you with download management on your mobile device. Searching, downloading, configuring, and monitoring can all be done with AiDownload. Torrent magnets also automatically add download tasks to AiDownload for optimized performance.

AiMaster allows you to easily control all your NAS devices whether you're a home user or IT administrator.

AiMaster features real-time system event notifications allowing you to monitor your system status from the convenience of your mobile device. When certain events occur, notifications are sent to your mobile device in the form of push notifications, helping you stay abreast of all the latest developments.

With AiMaster you are never far from your NAS. Manage all your services, applications, and backup jobs at any time and from any place. Execute one-touch backup jobs and monitor all users and system statuses. Use the Find Me function to locate your NAS among many.

AiRemote lets you control all types of functionality on the Asustor Portal. From the basic up, down, left, and right controls used with the Asustor Portal interfaces to the play, pause, rewind, fast forward, and volume controls used when playing videos, AiRemote ensures easy control over your NAS.

Related Questions and Answers

Q: 1. Does this nas support lossless compression for photo/video?

A: Yes, you can store lossless compressed files on the Asustor Drivestor 2 Lite 2-Bay NAS Enclosure.

Q: 2. How easy is this to install for a mac geek that is just a little network savy. Is it as easy as plugging into the back of my verizon wifi adapter via ethernet and mapping a drive/configuring raid format?

A: This device can only connect to a switch or router.

Q: 3. There is no USB4/USB5 to use the drives as direct attach storage at higher speeds, is there?

A: The Asustor Flashstor FS6712X 12-Bay NAS Enclosure, B&H # ASFS6712X, does not have USB4 or USB 5 ports for use as direct attached storage.

Q: 4. Will this enclosure support starting with two drives, then adding two additional drives when expansion is needed and expand the striping across the newly added drives?

A: Yes, this will be possible depending on the RAID configuration used during setup. For more information, please see this setup guide from Asustor: https://bit.ly/3bZhNGH

Q: 5. I have a thecus 4200Pro running RAID 6 with 4 drives. Can I just pull the drives out and put them in the AS5304T and continue using them? Or would I lose my data?

A: No, you cannot do that. If the HDDs are configured in Thecus NAS, then you will need to back up these files in another space, and then upload them to the new AS5304T. If the original NAS is still working, the easiest way should be FTP and then RSync or CIFS folder mounting. Here is the tutorial: https://www.youtube.com/watch?v=FZnoY4NXIbI

Q: 6. Can the formatting be mixed between RAID and JBOD? That is, could two of the disks be used as a RAID array while two of them are treated as JBOD?

A: You can configure the volumes independently on an NAS.

Q: 7. Does the cooling fan run continuously and is it loud?

A: the fan will run as needed. The NAS has a noise rating of 19.7 dBA.

Q: 8. Can you stack it with 4 4TB drives and continually add more 4TB drives to grow the space?

A: Yes, you could start with four 4TB drives in the Asustor Flashstor FS6712X 12-Bay NAS Enclosure, B&H # ASFS6712X, and add more drives as your storage needs grow.

Q: 9. does this come with the drives??

A: no its doesn't come with drives

Q: 10. Does this work with Plex?

A: Yes, you can install Plex on the ASUSTOR AS5304T .