Oct 15

D-Link announced two new storage arrays Tuesday for small to midsized businesses (SMBs): The DSN-4000 Series xStack iSCSI SAN arrays, which have a maximum capacity of 32 TB.

When I think of D-Link, I think of that wireless Internet router I bought years ago from Circuit City. D-Link had never entered my mind for storage. Until now. It turns out that the company has models ranging from the consumer-class, two-bay ShareCenter network storage with USB Printer Port (2 TB) to the new DSN-4000 Series, which has a maximum capacity of 160 TB.

DSN-4200

The DSN-4000 Series consists of the DSN-4100 and DSN-4200 storage arrays and the DSN-4000 3U 16-bay expansion array. Both arrays use iSCSi to connect to the network and both support a mixture of serial ATA (SATA) and serial attached SCSI (SAS) drives. The arrays replace the previous generation DSN-3200-10 and DSN-2100-10. Further, each array is available in a 3U (5.25-inch) high enclosure that holds 16 2-TB drives.

As many as 80 drives can be supported by adding the drive to the DSN-4000 expansion array for 160 TB of external storage.

D-Link doesn’t restrict the type of drive used to a single manufacturer. Customers can choose from a variety of manufacturers to populate their arrays.

The D-Link DSN-4000 series also offers virtualization capability at the volume level to enable data migration, volume expansion, or reconfiguration. Since drives are not tied to their expansion chassis, they can be migrated among xStack Storage Arrays.
The DSN-4200 differs from the DSN-4100 in the number of data ports connecting it to the network. The D-Link DSN-4100 has four 1-GbE ports; the DSN-4200 has eight ports.

D-Link storage arrays are expected to be available in November from D-Link and online retailers such as CompuUSA, TigerDirect, NewEgg, and Amazon. The DSN-4100 is priced at $4,999.99; the DSN-4200 is $6,199.99; and, the D-Link DSN-4000 is $3,199.99.

Deni Connor is founding analyst for Storage Strategies NOW, an industry analyst firm that focuses on storage, virtualization, and servers.

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Oct 15

What this product D-Link DSL-2740B does

The D-Link ADSL2+ Modem with Wireless N 300 Router (DSL-2740B) is a versatile, high-performance router for your home or small office. With integrated ADSL2/2+ supporting up to 24Mbps download speed, firewall protection, Quality of Service (QoS), 802.11n wireless connectivity and 4 Ethernet switch ports, this router provides all the functions that a home or small office needs to establish and share a secure and high-speed remote link to the outside world.

dsl-2740b

HIGH-SPEED INTERNET

The D-Link ADSL2+ Modem with Wireless N300 Router (DSL-2740B) is a versatile, high-performance router for your home or small office. With integrated ADSL2/2+ supporting up to 24Mbps download speed1, firewall protection, Quality of Service (QoS), 802.11n wireless connectivity and 4 Ethernet switch ports, this router provides all the functions that a home or small office needs to establish a secure and high-speed remote link to the outside world.

ULTIMATE WIRELESS CONNECTION

The ADSL2+ Modem with Wireless N300 Router provides wireless speeds that are superior to 802.11g2. Maximize wireless performance and stay connected from virtually anywhere at home or in the office. The DSL-2740B supports WPA™/WPA2™ and WEP data encryption methods for flexible user access security.

FIREWALL PROTECTION & QoS

Security features prevent unauthorized access to the home and office network from wireless devices or from the Internet. The ADSL2+ Modem with Wireless N300 Router provides firewall security, such as Stateful Packet Inspection (SPI) and hacker attack logging. SPI inspects the contents of incoming packets before they are allowed in, while hacker logging helps to protect your network against Denial of Service (DoS) attacks. For Quality of Service (QoS), the router prioritizes traffic to enable a group of home or office users to enjoy the benefit of a smooth network connection without concern of traffic congestion.

The wireless router portion supports 802.11n speeds up to 300 mbps and is backwards compatible with older WiFi specifications as well. The router is IPv6 ready and has a number of security and speed enhancements over older products in the line. The router has WPA/WPA2 and WEP data encryption. It also has four fast Ethernet ports to connect to local computers.

The router also has TR-069 management support and is compatible with any ISP according to D-Link. Other security features include SPI, a hacker attack log that inspect packets before they come in, and protection against DoS attacks. The new modem is available right now for $79.99 online and in stores.

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