A highly available and expandable, rack-dense, 2U dual-socket SMP server, for application serving in Web environments
The hot-swap SAS drives use the Converged Tray for interchangeability with other IBM System x™ and IBM eServer™ xSeries® systems. If you need more storage space, terabyte capacities are possible with external direct-attach, NAS and SAN solutions.
Disk/Tape Controllers
All x3650 models include an integrated eight-port Adaptec AIC9580W Serial-Attach SCSI (SAS) controller. This controller supports up to six or eight (depending on the model) internal SAS LVD (low-voltage differential) drives, plus external storage via the SAS port on the rear of the server.
The integrated ServeRAID-8k-lcontroller offers hardware RAID-0/1/10support and 32MB of fast PC2-4200 DDR2 cache for those SAS drives. The ServeRAID-8koption adds three additional RAID levels, including RAID-1E, 5 and 6, along with 256MB of cache memory for higher performance, and battery backup, without consuming a valuable adapter slot.
The SAS controller provides data transfer speeds of up to 300MB per second5 in each direction (full-duplex) across the SAS bus, for an aggregate speed of 600MBps, nearly double that of Ultra320 SCSI’s 320MBps (half-duplex) bandwidth. The serial design of the SAS bus allows maximum performance to be maintained as additional drives are added.
Other supported RAID controllers include:
•ServeRAID-6M— Ultra320, 2-channel, 256MB battery-backed cache, 133MHz PCI-X (2 ports for external SCSI RAID storage)
•ServeRAID-6M— Ultra320, 2-channel, 128MB battery-backed cache, 133MHz PCI-X (2 ports for external SCSI RAID storage)
The ServeRAID-6Mcontrollers support external SCSI expansion via the IBM EXP400 Storage Expansion Unit.
For external storage, the MegaRAID 8480 controller enables connection to up to four IBM System Storage EXP3000 SAS expansion units (48 HDDs total). It provides RAID-0/1/10/5/50support and 256MB of onboard cache. Additional external SAS/SATA storage is available using the external SAS port on the system unit, or via one of several supported iSCSI or SAN controllers.
Drive Bays
The x3650 contains either seven or ten drive bays in all, depending on the model. Some models offer six 3.5-inchbays that support hot-swap SAS or SATA drives. This enables up to six slimline (1.0") drives totaling up to 1.8TB (SAS) or 6TB (SATA) to be installed.
An internal half-high DDS5 tape drive or GoVault EZ Drive can be installed in place of two of the HDDs. This offers the confidence of internal tape backup, while still leaving four available drive bays (for a total disk capacity of up to 1.2TB of SAS or 4TB of SATA storage, respectively).
Other models feature eight 2.5-inchbays that support hot-swap SAS drives totaling up to 1.17TB. In addition to the eight 2.5" HDD bays, there is a dedicated bay for a half-high DDS5 tape drive or GoVault EZ drive.
A 24X/10X/24X/8X6 speed (ultraslim, 0.5”) CD-RW/DVD-ROM combo drive with an IDE interface ships standard in all x3650 servers. No floppy drive is supplied with any model; an external USB floppy drive may be used, if needed.
For still more storage, a direct-attach, iSCSI, or FC SAN external expansion option can be added, using an optional controller.
Backup Devices
The x3650 supports several internal and external backup options. Supported drives include:
•36/72 GB DDS-5 Tape Drive (SCSI)
•80/120 GB GoVault EZ Drive (SATA)
•80/160 GB Half High VS160 Tape Drive (SCSI)
•400/800 GB LTO-3 Ultrium Tape Drive (external SCSI)
Dual Gigabit Ethernet Controllers
The x3650 includes two integrated Broadcom BCM5708 Gigabit Ethernet controllers with TOE support, as well as load-balancingand failover capabilities, with up to 10X higher maximum throughput than a 10/100 Ethernet controller.
5Data transfer rates depend on many factors and are often less than the maximum possible.
6Variable read rate. Actual playback speed varies and is often less than the maximum possible.
