| Blade servers |
Business use |
Processor (Max) |
Internal Memory (max) |
Storage (max) |
IBM BladeCenter HS22 
 Browse & Buy |
Versatile, easy-to-use blade optimized for performance, power and cooling - ideal for most enterprise applications including virtualization, hosted client and SAP |
2-socket quad-core Intel® Xeon® |
Up to 96GB |
Up to 600GB with 2 hot-swap SAS, SATA or solid-state drives |
IBM BladeCenter HS12 
Browse & Buy |
Cost-efficient uniprocessor blade ideal for general business applications such as file and print, collaboration and Web serving. |
1-socket single, dual or quad-core Intel® Xeon® |
Up to 24GB |
Up to 293.6GB 1 with hot-swap SAS or non-hot-swap SATA HDDs or up to 32GB with hot swap or non-hot swap solid-state drives. |
IBM BladeCenter HS21 extended memory
Browse & Buy |
High-density blade server with expanded memory ideal for optimizing performance for virtualization, collaboration, clusters and compute-centric applications. |
2-socket dual-Core or quad-core Intel® Xeon® |
Up to 64GB |
Up to 587.2GB with 1 SAS HDD or 2 solid-state Drives or 1 IBM Modular Flash Drive |
IBM BladeCenter LS42
Browse & Buy |
Unique upgradeable SMP blade ideal for high performance computing, virtualization, consolidation and database applications |
2-socket 30mm or 4-socket 60mm, quad-core AMD Opteron™ |
Up to 128GB
|
Up to 62.8GB using solid-state drives or up to 293.6GB internally with 2 SAS HDDs; up to 734GB with Storage and I/O Expansion blade installed |
IBM BladeCenter LS22
Browse & Buy |
High Performance Computing blade ideal for memory-intensive applications including research, modeling and simulation |
2-socket, quad-core AMD Opteron™ |
Up to 64GB
|
Up to 62.8GB using solid-state drives or up to 293.6GB internally with 2 SAS HDDs; up to 734GB with Storage and I/O Expansion blade installed |
IBM BladeCenter JS23 Express (US)
Browse & Buy
(US) |
Delivering on the promise of a truly Dynamic Infrastructure®, the BladeCenter JS23 helps in delivering superior business and IT services with agility and speed—all in a simple-to–manage, highly efficient way. |
Four 64-bit 4.2 GHz POWER6™ with AltiVec™ SIMD and Hardware Decimal Floating-Point acceleration |
4GB/64GB |
One 73,146 or 300GB 2.5" Serial Attached SCSI (SAS) 10K rpm non-hot-swappable disk drive or 69GB Solid State Disk; No disk drive required on base offering. |
IBM BladeCenter JS43 Express (US)
Browse & Buy
(US) |
The JS43 helps deliver superior business and IT services with agility and speed. With built-in support for IBM PowerVM™ for advanced virtualization, the JS43 is the deal blade server solution for driving your most demanding performance and memory-intensive workloads. |
Eight 64-bit 4.20GHz POWER6 with AltiVec SIMD and Hardware Decimal Floating-Point acceleration |
8GB/128GB |
One or two 73, 146 or 300GB 2.5" Serial Attached SCSI (SAS) 10K rpm non-hot-swappable disk drive or 69GB Solid State Disk; No disk drive required on base offering |
IBM BladeCenter JS12 Express
 |
Durable blade ideal for small database and application serving and for replacing traditional AIX®, IBM i or Linux® rack-mount and tower servers. |
1-socket dual-core 64-bit IBM POWER6™ with AltiVec™ SIMD accelerator |
Up to 64GB |
Up to 292GB with 2 SAS HDDs |
IBM BladeCenter JS22 Express (US)
Browse & Buy
(US) |
Feature-rich blade ideal for workload consolidation with built-in PowerVMTM virtualization and broad based commercial AIX®, IBM i or Linux® for Power™ applications. |
2-socket dual-core 64-bit IBM POWER6™ with AltiVec™ SIMD accelerator |
Up to 32GB |
Up to 146GB with 1 SAS HDD |
IBM BladeCenter QS22
Browse & Buy |
High Performance computing blade ideal for accelerating key algorithms such as 3D rendering, compression and encryption with double precision floating point computing power. |
2-socket multi-core PowerXCellTM 8i |
Up to 32GB |
Optional 8GB modular flash drive |
IBM BladeCenter QS21
Browse & Buy |
High Performance Computing blade ideal for tasks that require single-precision processing such as image processing, signal processing and graphics rendering. |
2-socket multi-core Cell/B.E |
2GB |
n/a |
IBM BladeCenter PN41 (US)
|
Deep Packet Inspection (DPI) functional blade ideal for enhancing security and improving control of network traffic. |
Contains an Intel® IXP 2805 network processor for use in handling packets. |
Contains multiple types of memory such as TCAM, QDR and RDRAM.* |
Contains no disk or flash drives |
* Memory is dedicated to packet processing and is not expandable.
