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performance in a server with a 4-core processor, there should be twice as much memory available as for a
2-core processor.
Backup Drives — Backup drives help you protect your data. IBM offers several choices of capacities and
technologies, including DDS-5, DDS-6, LTO-3, LTO-4, and GoVault.
Hard Disk Drives — IBM hard disk drives help you improve the transaction and cost performance of your
System x servers. The choice of hard disk drives can be a critical aspect of maximizing the I/O throughput
of the system. SAS 2.5-inch hard disk drives are available for the x3400 M2 with capacities up to 300GB
apiece at 10,000 RPMs or up to 146.8GB apiece at 15,000 RPMs.
Power Supply — The optional second power supply for the x3400 M2 enables redundancy for hot-swap
power. In addition, its 90%-efficient design helps lower your energy bill for power and cooling.
IMM Virtual Media Key — The x3400 M2 includes a plethora of systems management features built-in.
The optional IMM Virtual Media Key not only offers powerful new features, it does so without taking up a
valuable PCIe or PCI-X adapter slot, instead using a dedicated connector on the motherboard.
ServeRAID Controllers — System x servers using ServeRAID technology allow companies to build a
reliable foundation for business-critical computing. IBM ServeRAID technology allows an array consisting
of multiple physical hard disk drives to be treated as one logical drive. ServeRAID technology also allows
data to be stored redundantly, across multiple hard disk drives— enhancing both the integrity and the
availability of the data. SAS and SATA ServeRAID controllers offer enhanced performance due to onboard
processors and cache. Because IBM ServeRAID controllers can help significantly improve data transfer
rates, this technology is extremely effective when implementing demanding, transaction-oriented
applications. By employing the advanced fault tolerance of IBM ServeRAID technology, companies can
effectively implement networked business systems that require large amounts of storage space for data
and applications that must be available for their businesses to continue operating.
The optional ServeRAID-MR10i SAS/SATA controller offers enhanced performance over the integrated
ServeRAID-BR10i controller (SAS models), 256MB of battery-backed cache memory, and supports eight
RAID levels: 0 (striping), 1 (mirroring), 10 (mirroring and striping), 1E (enhanced mirroring, supporting odd
numbers of drives), 5 (striping with parity), 50 (striping/mirroring with parity), 6 (striping with dual-parity),
and 60 (striping/mirroring with dual-parity).
The optional ServeRAID-MR10is supports hardware-based full disk encryption plus RAID-
0/1/1E/10/5/50/6/60 support.
The optional ServeRAID-MR10M SAS controller offers high performance and 256MB of cache memory
(with optional battery backup) for external SAS storage capacity. The adapter supports RAID-
0/1/10/5/50/6/60.
External Storage — The IBM System Storage DS3000, DS4000, DS6000, and DS8000 series, as well
as the N3000, N5000, and N7000 series, comprise a powerful and broad shared storage family with
integrated management software designed to meet midrange and enterprise needs. For lower-end needs,
IBM offers the System Storage DS400 storage enclosures.
External SAN, iSCSI, and direct-attach storage is available using one of several IBM System Storage and
TotalStorage host bus adapters. Additionally, external LAN-attached tape storage is available.