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Snap Server 520 1U NAS 2196200 - Overland Storage Snap Server 520, 2TB SATA II Network Attached Storage Solution

List Price: $4,199.00
Your Price: $3,896.00
In Stock: Yes
Manufacturer: Overland Storage
Manufacturer Part No: 2196200
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Storage performance with flexible capacity expansion

The Overland Storage Snap Server 520 combines best-in-class performance with optional capacity expansion that helps you maximize your storage budget. Built on 64-bit AMD Opteron™ architecture, the Snap Server 520 with GuardianOS software provides fast throughput for data protection applications. With legendary Snap Server ease of use and operation, an integrated suite of data protection software, and scalability to 88TB, it is ideal for any size company that needs cost-effective, yet scalable data storage for its growing business.


  • Availability features include optional dual hot-swappable power supplies, hot-swappable SATA II drives, and dual gigabit Ethernet ports with Ethernet teaming for load balancing and port failover
  • On-the-fly scalability with Instant Capacity Expansion (I.C.E)™
  • The fastest random data access speeds in its class for high-performance data protection
  • Easy management and cross-platform file sharing out of the box
  • Unified block and file architecture
  • Integrated BakBone NetVault with upgraded 500GB Virtual Tape Library license

Technical Specifications:

Customer Needs

Any size business that needs high-performance, cost-effective storage that scales easily as needs change, is easy to install and manage. Includes data availability features and data protection software.


Cost-effective performance and capacity that maximizes the storage budget and grows as business needs change.

Key Differentiators

Best-in class performance and availability, the first NAS solution built on 64-bit AMD Opteron technology, standard dual hot-swappable power supplies, unmatched price/performance, scales easily to 88TB.

Maximum Capacity

Available in base configurations of 1TB, 2TB, 3TB and 4TB. Add up to 7 SANbloc S50 JBODs for a maximum capacity of 88TB.

Cross-Platform Support

GuardianOS, Windows, Linux, UNIX

Network Interface

Dual-Gigabit Ethernet ports (autosensing 10/100/1000)

PCI-X Expansion Card Support

Supports two PCI-X expansion cards: one half-height and one full-height

Expansion Array Interface

Requires optional Serial Attached SCSI host bus adapter for expansion

Local Tape Backup Interface

Ultra320 SCSI 68-pin VHDCI (integrated)

Hot Swappable and Redundant Components

Hot-swappable SATA II disk drives; hot-swappable power; single power supply included – can be upgraded with a second supply


AMD Opteron processor, with 1MB L2 cache and 1000MHz HyperTransport™

ECC Memory

512MB DDR 1 400 ECC RAM standard
4 DIMM sockets support up to 4GB DDR 1 400 ECC RAM

Drive Configuration

4 x 250GB 7200 RPM hot-swappable SATA drives (1TB raw capacity)
4 x 500GB 7200 RPM hot-swappable SATA drives (2TB raw capacity)
4 x 750GB 7200 RPM hot-swappable SATA drives (3TB raw capacity)
4 x 1TB 7200 RPM hot-swappable SATA drives (4TB raw capacity)

Standard LCD Display

Backlit, 2 line, 16 character with system ID, IP address


Custom 19” rackmount slide rails included

Network Transport Protocols

TCP/IP, UDP/IP, Appletalk

Network File Protocols

Microsoft Networks (CIFS/SMB), UNIX (NFS v2/3), Apple (AFP 2.0), Internet (HTTP 1.1), File Transport Protocol (FTP)

Network Block Protocols

iSCSI target support
Snap Servers running GuardianOS v3 SP1 or higher
iSCSI software initiator support
Windows: Microsoft iSCSI Initiator v1.03, v1.04
Solaris: Cisco SN 5400 Series iSCSI Driver v3.3.5
Linux: UNH-iSCSI Initiator v1.5.3
iSCSI hardware initiator support
Adaptec 7211C (copper) HBA
Intel PRO/1000T IP Storage Adapter v2.0, 2.1
Alacritech SES1001 iSCSI HBA Adapter

Network Security

CA eTrust Antivirus software
Microsoft Active Directory Service (ADS Member Server)
Kerberos Authentication v5
CHAP Authentication (iSCSI target level)
Microsoft Lightweight Directory Access Protocol (LDAP v3 client)
Windows NT Domain (member server)
UNIX Network Information Service (NIS) Support
File and Folder Access Control List (ACL) Security for Users and Groups
Secure Sockets Layer (SSL) v2/3 128-bit encryption
Transport Layer Security (TLS) v1

Data Protection

RAID 1, 0, 5
Integrated snapshot technology
Optional Snap EDR enterprise-class replication software
Optional S2S v2 entry-level replication software
Local backup: Integrated BakBone NetVault Workgroup Edition
Network backup: Supports VERITAS NetBackup/Backup Exec, CA BrightStor ARCserve/Enterprise, Legato NetWorker, BakBone NetVault, Microsoft Backup Software for Windows 95, 98, Me, NT, 2000, XP, and NDMP v2, v3, v4. Compatible with Dantz Retrospect for Macintosh.
UPS Support: APC brand UPS with Network Management cards are supported for graceful shutdown

Power Rating

400W 100-240 VAC (autosensing) 50-60Hz

Input Current

3.4A peak for 115VAC, 1.7A peak for 230VAC

Power Consumption

390W peak

Heat Dissipation

1057 BTUs/hr


1.75 in  (44.5mm)


17.5 in (444.5mm)


29.25 in (742mm)


40 lbs (18.2kg)


2-year hardware warranty; 90-day software support


Additional Information

Adaptec Snap Server 520 Data Sheet - Click Here

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