IBM 7945D2U User Manual - Page 8

Leadership enterprise server with significantly lower cost of ownership in a highly available and expandable, rack-dense, 2U dual-socket server Disk Controllers All x3650 M3 models include a ServeRAID-BR10il v2, ServerRAID-M1015, ServeRAID-M5014, or ServeRAID-M5015 SAS/SATA controller standard (model-dependent) to enhance system availability and data protection without using a PCI slot. The 3Gbps6 (x4 PCIe) ServeRAID-BR10il v2 controller offers hardware RAID-0/1/1E support (no cache) for up to 4 HDDs or SSDs. The 6Gbps (x8 PCIe) ServeRAID-M1015 SAS/SATA controller supports RAID-0/1/10 (no cache) for up to 32 drives (limited to available drive bays). The IBM ServeRAID M1000 Series Advance Feature Key adds RAID-5/50 with SED support. The 6Gbps (x8 PCIe) ServeRAID-M5014 SAS/SATA controller offers enhanced performance with 256MB of cache memory, and supports RAID-0/1/10/5/50 for up to 32 drives (limited to available drive bays). The 6Gbps (x8 PCIe) ServeRAID-M5015 SAS/SATA controller offers enhanced performance with 512MB of cache memory and battery backup7, and supports RAID-0/1/10/5/50 for up to 32 drives (limited to available drive bays). For external storage, the 6Gbps ServeRAID-M5025 controller enables connection to external IBM System Storage expansion units (up to 240 HDDs), as well as support for up to 8 internal HDDs (system limit). It provides RAID-0/1/10/5/50 support and 512MB of onboard cache. The IBM ServeRAID M5000 Series Advance Feature Key adds RAID-6/60 with SED support to the M5014, M5015 or M5025. The IBM ServeRAID M5000 Series Battery Key adds battery backup support to the M5014 and CTO systems containing an M5015 or M5025. Drive Bays The x3650 M3 supports up to 17 drive bays. Most models include eight 2.5-inch drive bays, expandable to 16 using expansion kits, and one 5.25-inch bay for an optional DVD-RW drive. The bays support a combination of SATA and SAS HDDs, as well as solid-state drives (SSDs). Optionally, a Tape Enablement Kit can be installed to support a 3.5-inch tape drive. This option limits the maximum number of 2.5-inch drive bays to eight. Hot-swap drives may be inserted or removed through the front of the server without powering off the system. Simple-swap drives can be inserted or removed through the front of the server as well; however, the system power must first be turned off. For additional storage, a direct-attach, NAS or SAN external expansion option can be added, using an optional controller. No diskette drive is supplied with any model; an external USB floppy drive may be used, if needed. Flexible Internal Storage The x3650 M3 offers flexibility with up to 16 2.5" HDD bays, supporting high-performance drives that provide high density/high reliability and allow you to scale up as your business grows. 2.5-inch Hot-Swap SAS • 7,200 RPMs - 500GB or 1TB8 (8TB maximum capacity with 8 bays / 16TB with 16 bay) • 10,000 RPMs - 73.4, 146.8, 300GB or 600GB (4.8TB / 9.6TB maximum) • 15,000 RPMs - 73.4 or 146.8GB (1.17TB / 2.35TB maximum) 2.5-inch Hot-Swap SATA • 7,200 RPMs - 160, 250, 500GB or 1TB (8TB / 16TB maximum) • 10,000 RPMs - 300GB (2.4TB / 4.8TB maximum) 2-5-inch HDDs not only require less space than 3.5-inch drives, they weigh less, consume half the power, produce less noise, seek faster, and offer increased reliability. 2.5-inch Hot-Swap or Simple-Swap SSDs • 50GB High IOPS (400GB / 800GB maximum) High I/O Performance - Offers up to 8X more IOPS than HDDs (67/33% read/write OLTP transaction base mix) - Optimized for heavy mix of read and write operations, such as transaction processing, media streaming, surveillance, file copy, logging, backup/recovery, and business 6 Data transfer rates depend on many factors and are often less than the maximum possible. 7 Battery backup is included when the adapter is purchased as an option or when included in standard server models. It is optional when the adapter is included in a CTO system. 8 Please see the Legal Information section for important notices and information.