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Pure IP Storage with Blazing Fast File Transfer
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2008/10/06 - For years, Thecus has dedicated to provide the most secured and convenient NAS storage for worldwide users. For enterprise environment, Thecus has delivered another platform of IP storage with guaranteed stability an unparallel file transfer speed, the iSCSI RAID series, which includes i4500R (4-bay 1U unit) and i5500 (5-bay tower unit). Different from NAS units and without file sharing feature, both Thecus iSCSI RAID devices are pure IP storage with blazing fast throughput with iSCSI protocol, and yet, precious data is still under protection of various levels of RAID redundancy.

Difference Between NAS and iSCSI RAID units
Unlike regular NAS, Thecus iSCSI RAID devices provide IP storage platform without file sharing capability. Table below illustrates the difference between NAS, iSCSI, and DAS.

IP Storage DAS
NAS iSCSI External HDD
OS Independent / Dependent Independent Dependent Dependent
Server / Device Server Device Device
Network File Protocol (File Sharing) CIFS / SMB V - -
AFP V - -
FTP V - -
HTTP(S) V - -
Products from Thecus

N5200 series
N4100 series
N3200 series


Note: Thecus N5200PRO supports all three NAS, iSCSI, and DAS (USB target).

Total Security and Performance
Supporting 4 and 5 hot-swappable SATA drive bays, both i4500R and i5500 provide at least 4TB and 5TB of storage respectively. A wide selection of RAID modes, including RAID 0, 1, 0+1, 3, 5, 6, 10, and JBOD, offer unbeatable security. Both iSCSI series use dedicated hardware controller to configure the array, effectively shortening time required to build RAID than a software RAID array. Thecus iSCSI devices deliver raw horsepower required to transfer files quickly and efficiently, over 100MB/s for read and write under RAID 6.

With block level data transmission over regular Ethernet, Thecus iSCSI RAID technology allows numerous host accesses to the units through the iSCSI protocol at unprecedented read and write performance under RAID data protection. A unique IP storage platform, i4500R and i5500 are different from the typical Thecus NAS. Unrivaled iSCSI performance, uninterrupted data capacity expansion, and air-tight security are Thecus iSCSI RAID series trademarks.

For more information on Thecus iSCSI units, please visit i4500R and i5500.

About Thecus
Thecus® Technology Corp. specializes in IP Storage Server solutions, including Network Attached Storage (NAS) and Wireless Media Bank products. The company was established in 2003 with the mission to make technology as transparent and easy-to-use as possible, and to make products that are not only the best on the market, but are accessible to experts and novices alike. With a best-in-class R&D team highly experienced in storage hardware and software and with a keen customer focus, Thecus® stays close to the market to develop high-quality products to fulfill the storage needs of today's world.
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