Equipped with five 4TB SATA 3.5" Enterprise NAS hard drives in its five 3.5"/2.5" drive bays, the ioSafe 1517 20TB 5-Bay NAS Array (5 x 4) is engineered to protect business-critical data, enhance recovery times, and deliver strong reliability while protecting up to 20TB of data from natural and man-made disasters. It is fireproof up to 1550°F for up to 30 minutes and also protects data from while fully submerged in up to 10' of fresh or salt water for up to 72 hours. Cloud-enabled and powered by Synology's DiskStation Manager operating system, the 1517 NAS includes apps for collaboration, file syncing and sharing, video surveillance, and more.

ioSafe's 1517 has five drive bays, each of which natively supports 3.5" SATA hard drives, as well as 2.5" SATA hard drives and SSDs. It is powered by a 1.7 GHz Annapurna Labs Alpine AL-314 Quad-Core processor, which will allow you to run multiple functions simultaneously, while 2GB of DDR3L RAM will allow quick access to frequently used files and programs. Also featured are two USB 3.0 Type-A ports and two eSATA ports which allow it to be connected to your Windows or Mac system. Network connectivity is achieved via four Gigabit Ethernet ports with Link Aggregation and Failover support, or a separately wireless dongle for Wi-Fi connectivity.

The 1517 runs on Synology's DiskStation Manager (DSM) operating system, which helps simplify managing your NAS, as well as accessing and sharing data. A variety of RAID modes are supported, which help provide users with data redundancy, speed, or a combination of both. Supported RAID modes include RAID 0, 1, 5, 6, 10, Basic, and Synology Hybrid RAID. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized.

ioSafe has engineered this NAS to be energy efficient. Not only does it use dual 80 x 80mm fans to help keep the system running cool, the server supports numerous scheduled power on / off cycles and hard drive hibernation to further minimize power consumption and operational expenses. The 1517 operates on 100-240 VAC at 50/60 Hz and includes an accessory pack, a 200W AC power adapter, an AC power cord, and two RJ45 LAN cables. Protection is provided by a limited 5-year hardware warranty, along with five years of ioSafe's Basic Data Recovery Service (DRS). DRS includes free in-house data recovery, up to $5000 per TB coverage for third-party forensic data recovery services, coverage for servers or other devices attached to the ioSafe 1517, and advanced replacement of the ioSafe 1517.

20TB Storage Capacity    5 x 4TB SATA 3.5" Enterprise HDDs    1.7 GHz Alpine AL-314 Quad-Core    2GB of DDR3L RAM    4 x Gigabit Ethernet Ports    2 x USB 3.0 Type-A | 2 x eSATA    RAID 0, 1, 5, 6, 10, Hybrid, Basic, JBOD    Hardware Encryption Engine    Fireproof to 1550°F for 30 Minutes    Waterproof up to 10' for 72 Hours

Purpose-built to keep on-premises data safe during building fires, the 1517 NAS protects data from temperatures up to 1550°F for 30 minutes per ASTM E119.

Designed to protect data from floods, sprinklers, and fire department's hoses, the 1517 keeps data safe during periods of complete submersion in fresh or salt water up to a 10' depth for 72 hours.

Optional floor and rack mount kits enable the 1517 to be bolted down to protect against theft. Additionally, the kit enables access to the ports and drive bays to be blocked to prevent tampering.

Maximize uptime and minimize costly service interruptions. Synology High Availability (SHA) makes it simple to combine two NAS servers into a single high availability cluster with automatic failover.

Keep data safe and secure with military-grade hardware encryption, built-in vulnerability scanning and remediation, secure data transmission, login protection, and more.

Use the 1517 as a secure backup target or as primary storage with data backed up to another ioSafe or Synology device, an rsync server, Microsoft Azure, S3-compatible storage, or other cloud services.

Easily and securely synchronize data across PCs, Macs, iOS and Android devices, and other NAS with either one-way or two-way syncing that supports file versioning, point-in-time recovery, compression, and encryption.

Share files easily, quickly, and securely across multiple platforms with optionally password-protected or time-limited download links and built-in support for FTP, WebDAV, CalDAV, and CardDAV services.

Protect your home or business. Create an easily managed, reliable, and intuitive monitoring system that delivers secure storage for recordings. With Synology Surveillance Station, you can monitor streams from multiple cameras in real time and manage and analyze recordings. Mobile support enables you to take proactive camera control on the go using iOS or Android devices. With support for more than 6000 IP camera model and integration with with I/O modules and door controllers, the 1517 can be used to build a complete security system for your premises.

Boost productivity. Synology Office enables you to create documents and spreadsheets, work collaboratively, chat with colleagues, and is compatible with Microsoft Word and Excel.

Includes a standard 5-year hardware warranty with ioSafe's Pro Data Recovery Service (DRS) that covers the cost of third-party forensic data recovery up to $5000 per TB. ioSafe's DRS Pro also includes free in-house data recovery, coverage for servers or other devices attached to the ioSafe 1517, and advanced replacement of the ioSafe 1517.

Related Questions and Answers

Q: 1. Will this work with Mac OS 10.6.8 Snow Leopard?

A: I am sorry it would not. This would only work with MacOS Sierra (10.12), El Capitan (10.11), Yosemite (10.10), or Mavericks (10.9).

Q: 2. Is the WD Mycloud 4TB NAS Server plug and play on a Mac?

A: I am not sure if I am answering your question. You dont attach it to the computer. You attach it to the wifi router.

Q: 3. Can I partition this drive manually for two users, for instance, main user gets 6 TB and the 2nd user gets 2TB?

A: No, but you can setup individual accounts if you wish to have your own profiles. This will limit what each one can see on the WD My Cloud.

Q: 4. Will this work with Mac OS 11.2.1 Big Sur?

A: Yes, this item would be compatible with MacOS 11.2.1 Big Sur.

Q: 5. What is a Private Cloud related to Synology DiskStation?

A: What is meant by private cloud when referring to NAS enclosures like the Synology 8TB DiskStation DS223 2-Bay NAS Enclosure Kit with Seagate IronWolf NAS Drives (2 x 4TB), is that because you can set the NAS up so that it can be accessed from anywhere that you can find an internet connection, you will be able to up load to your NAS like a cloud storage service, but unlike a cloud storage service, this internet connected storage would belong to you, making it private.

Q: 6. can I use it to store my lightroom library on ?

A: According to the link below, you can use a NAS enclosure with Lightroom CC 1.3 (April 2018+). However, a wired 7200 rpm HDD will be ideal, when working with large RAW files in Adobe. https://helpx.adobe.com/in/lightroom-cc/using/preferences.html

Q: 7. Can I buy it separately and add the larger capacity disks, such as 2 x16tb?

A: Yes, the Synology DiskStation DS223 is available without drives included here: https://bhpho.to/3n6EFtx

Q: 8. Since this has only one drive, will it work with both iOS and Android?

A: This depends entirely on the file format used to format the drive. It does come pre-formatted to support the following platforms: Windows 10, 8.1, 8, and 7, macOS Sierra (10.12), El Capitan (10.11), Yosemite (10.10), iOS 9 and 10, and Android KitKat (4.4), Lollipop (5.x), Marshmallow (6.0), and Nougat (7.x).

Q: 9. Can connect it via wi-fi?

A: The Synology 16TB DS923+ 4-Bay NAS Enclosure does not have any wireless capability. NAS devices require a wired network connection.

Q: 10. can I access files using an iphone or ipad (e.g., stored photos)?

A: Yes, you can access the Synology 64TB DS923+ 4-Bay NAS Enclosure Kit with Synology NAS Drives (4 x 16TB), B&H # SYDS92364TBD, from iOS devices by downloading the Synology App from the iOS App Store.