Best Scalable Failover - TopShopReview.com

Synology 5 bay NAS DiskStation DS1019+ (Diskless), 5-bay; 8GB DDR3L

Quad-core CPU with AES-NI encryption engine, delivering reading and writing throughput at over 225 MB/s even when data are encrypted.
Loaded with two 4GB DDR3L memory module, providing 8GB memory capacity in total.Power Supply Unit / Adapter - 120 W. AC Input Power Voltage - 100 V to 240 V AC .Power Frequency - 50/60 Hz, Single Phase.
Built-in two M.2 NVMe SSD slots for system cache support.
Dual 1GbE (RJ-45) ports with failover and Link Aggregation support.
Dual-channel H.264/H.265 4K video transcoding on the fly.
Scalable up to 10 drives with one expansion unit DX517 connected.

Synology RackStation RS819 is a budget friendly, compact and scalable 4-Bay, 1U rackmount NAS and is an ideal choice for remote office or small....
Processor: Realtek RTD1296 Quad-Core 1.4GHz 2MB CPU.
Ports: 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support).
OS Features: Backup with Snapshot Replication Technology Support, Near Unlimited File Management and Sharing, Digital Asset Protection, File Access....
Synology NAS chassis comes in a sealed box..
Hard drives and memory upgrades included separately NOT installed, installation required..

Synology RackStation RS820+ is a compact and scalable 4-bay rackmount NAS and is an ideal choice for remote office or small business with limited....
Easy to use Synology DSM Operating System has a desktop-like layout and features iSCSI Target, Backup with Snapshot Replication Technology Support,....
Ports: 4 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support).
Synology NAS chassis comes in a sealed box.
Hard drives and memory upgrades included separately NOT installed, installation required.

Synology DiskStation DS3622xs+, made for a variety of server roles, such as iSCSI targets backup, file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads..
Xeon D-1531 6-Core 2.2GHz CPU, Up To 2.7GHz Turbo.
144TB (12 x 12TB) SATA 3.5" HDDs for High-Capacity Storage.
2 x RJ-45 1GbE LAN Ports and 2 x RJ-45 10GbE LAN Ports (with Link Aggregation / Failover support).
Btrfs File System for Advanced LUN iSCSI Service.
Synology NAS chassis comes in a sealed box..
Hard drives and memory upgrades included separately, NOT installed, installation required..

2 Gigabit WAN port with 4 Gigabit LAN ports, load-balancing and failover across dual WAN ports.
Business-class Stateful Packet Inspection Firewall prevents unwanted access to your network.
25 dedicated IPSec VPN tunnels, 10 SSL VPN tunnels for secure remote access.
350 Mbps LAN-to-WAN throughput, 10,000 concurrent sessions.

2 Gigabit WAN port with 4 Gigabit LAN ports, load-balancing and failover across dual WAN ports.
Business-class Stateful Packet Inspection Firewall prevents unwanted access to your network.
25 dedicated IPSec VPN tunnels, 10 SSL VPN tunnels for secure remote access.
350 Mbps LAN-to-WAN throughput, 10,000 concurrent sessions.

The PowerConnect 6224F delivers a comprehensive feature set with superb performance and all Fiber connectivity for the small to medium enterprise network backbone or for long-haul connectivity. This 24-port Gigabit Ethernet Layer 3 switch is stackable and offers optional 10 Gigabit Ethernet uplinks and supports the latest version of the Internet Protocol—IPv6—enabling broader worldwide scalability..
The PowerConnect 6224F offers Enterprise class availability with failover times that provide for sub-250ms failover of any stacked switch, including master failure under all configurations. Furthermore, high performance stacking is supported for up to twelve systems, and advanced security and Quality of Service (QoS) features make this switch ideal for applications such as Voice over IP, Layer 3 routing, High Performance Cluster Computing (HPCC), and iSCSI storage..
Advanced monitoring functions include sflow support, SNMP capabilities and a full GUI interface with graphical reporting. In the event of a switch failure, high availability functions maintain traffic flow in the stack, including mission-critical voice and storage sessions..

Easy to Use The USB8 provides instant 4G LTE connectivity for your laptop or other device, with no software or device drivers to install. Just plug it in and connect. It’s that simple..
Tiny and Mighty Design Its tiny and mighty design comes with a swivel hinge to adjust to any USB port orientation.
Fast and Global The fastest USB modem, with peak download speeds of 480 Mbps. Global connectivity covering LTE, HSPA+ and UMTS bands in over 200 countries..
Failover Protection In addition to connecting mobile users, the USB8 can provide failover communications for point-of-sale systems, kiosks and other IoT devices. With integrated sGPS technology, it’s also ideal for tracking mobile assets..
Ready for Any Workday USB8 is ready and able to accommodate the demands of every workday. Perfect for businesses and public sectors limiting connection to cellular data only. Certified to support first responders protecting and serving our communities..

Scalable: supports up to 9 simultaneous handsets (sold separately).
High Power/High Sensitivity for extreme wireless range and connectivity.
Simultaneous broadcast to multiple handsets from any handset.
Scalable system allowing additional handsets to be added to the system at any time.
Outperforms 2.4 or 5.8GHz DECT solutions.

Scalable AP Support - 6 AP support out of box, scalable to 24 with additional 6 AP licenses.
Self-Optimizing Wireless Network - Periodic RF and power adjustment avoids interference from other Aps.
Upgradable VPN/Firewall features - Additional VPN Firewall and Web Content Filtering licenses upgrade the DWC-1000 into an all-in-one Business Class Router and Wireless Controller.

Over 601/516 MB/s sequential read/write throughput supports stable data transfers.
Space-saving design with a depth of just 327.5 mm when server handles are installed.
Dual 1GbE ports support network failover and load balancing.
Plug-and-play network upgrade modules make it easy to add 10GbE RJ-45 ports.

3G/4G/LTE failover that integrates seamlessly with existing network infrastructure.
Frequency: LTE Band 4 - AWS (1700/2100 MHz), Band 13 (700 MHz). 3G-EVDO fallback.