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Product Business use Processor (Max) Memory (Min/Max) Internal storage (Max)

IBM System x3500 M4 Express

This high-performance, dual-socket tower server delivers scalability, reliable performance and optimized efficiency for your business-critical applications Up to two Intel® Xeon® Processor E5-2600 product family Maximum 384 GB of DDR3 RDIMMs or 768 GB of DDR3 LRDIMMs or 64 GB of DDR3 UDIMMs, 24 DIMM slots maximum, up to 1600 MHz memory speed Up to 32 2.5" hot-swap and up to 32 TB (HDD upgrade options required) or eight 3.5" hot-swap or simple- swap drives up to 24 TB (via configure to order only)
IBM System x3550 M3

Ideal applications include Web serving, e-business, collaboration, distributed database, Enterprise Resource Planning (ERP) deployments and virtualisation Up to two 3.33 GHz six-core (3.46 GHz four-core) Intel® Xeon® 5600 series processors with QuickPath Interconnect technology, up to 1333 MHz memory access speed, supports select Intel Xeon 5500 via configure to order Up to 192 GB RDIMMs or 48 GB UDIMMs via 12 slots Up to 4.0 TB Serial Attached SCSI (SAS) or Serial ATA HDDs or up to 400 GB solid-state storage

IBM System x3550 M4 Express

This energy-smart, affordable and easy-to-use rack solution delivers a pay-as-you-grow design to help lower costs and manage risks Up to two 8-core Intel® Xeon® E5-2600 series processors Up to 768 GB*, 24 slots (UDIMM/RDIMM/LRDIMM*/HCDIMM Up to 8 TB (2.5" models) or 9 TB (3.5" models) SAS/SATA
IBM System x3630 M3 Express Model (US)

Ideal applications include: backup server, Web 2.0, imagery, video/photo sharing, online gaming, communication and collaboration (including blogs and messaging), file and print, mail server, transactional data and web searching Up to 2.93 GHz six core (2.66 GHz four core) Intel Xeon 5600 series processors (up to 12 MB Level 3 (L3) cache) or up to 2.26 GHz four core Intel Xeon 5500 series processors (4 MB L3 cache), with up to 1333 MHz memory access speed Up to 96 GB Double Data Rate (DDR) 3 Registered Dual Inline Memory Module (RDIMM) memory via 12 DIMM slots Up to 14 3.5" or 28 2.5" hot-swap Serial Attached SCSI (SAS)/Serial Advanced Technology Attachment (SATA) (up to 28 TB)

IBM System x3650 M4 Express

This energy-smart, affordable and easy-to-use rack server delivers a pay-as-you-grow design to help lower costs and manage risks Up to two 8-core Intel® Xeon® E5-2600 series processors Up to 768 GB* via 24 slots (UDIMM/RDIMM/LRDIMM*/HCDIMM) Up to 16 TB (2.5" model) or 18 TB (3.5" model) SAS/SATA HDDs
IBM System x3690 X5

Ideal Applications Include: Enterprise applications such as Enterprise Resource Planning (ERP) or Customer Relationship Management (CRM) databases and virtualisation Eight-core Intel Xeon up to 2.27 GHz and 1066 MHz front-side bus, six-core Intel Xeon up to 2.0 GHz and 1066 MHz front-side bus, four-core Intel Xeon up to 1.86 GHz and 1066 MHz front-side bus 2 GB, 4 GB, 8 GB, 16 GB/up to 512 GB max PC3-10600 Double Data Rate (DDR) III with Advanced Buffer eXecution; 1.0 TB per chassis with MAX5; 2.0 TB with two x3690 X5 chassis and two MAX5 units 800 TB Serial Attached SCSI (SAS) per chassis (supports 73.4 GB, 146.8 GB, 300 GB, 500 GB hard disk drives (HDDs))
IBM System x3755 M3 Express Model

Ideal applications include: Java workloads, High Performance Computing (HPC), mid-tier databases, virtualisation and mid-sized business applications Eight-core Intel Xeon up to 2.27 GHz and 1066 MHz front-side bus, six-core Intel Xeon up to 2.0 GHz and 1066 MHz front-side bus, four-core Intel Xeon up to 1.86 GHz and 1066 MHz front-side bus Up to 512 GB Double Data Rate (DDR) 3 Unregistered DIMM (UDIMM)/Registered DIMM (RDIMM) memory via 32 DIMM slots Supports up to 8 3.5" hot-swap Serial Attached SCSI (SAS)/Serial Advanced Technology Attachment (SATA) hard disk drives (HDDs) (up to 16 TB)

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