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The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
Product family:
The product family is a generic trademark of a brand to indicate a very wide range of products, that can encompass multiple categories. We include product family in the Icecat product title.
eServer BladeCenter
Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
HS21 eServer BladeCenter
Article code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product code if the specifications are identical. We map away wrong codes or sometimes logistic variants.
Category :
Extra powerful, extra reliable computers that have been specially designed for server applications. For example serving a website, a large database or shared storage space to a lot of users. Servers are often not very quiet and deliver hardly any graphical performance, which makes them not suitable for use as personal computer. If you need a lot of servers, choose a rack mountable model. Those models need less space and your server room will remain tidy.
Data-sheet quality: created/standardized by Icecat
The quality of the data-sheets can be on several levels:
only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by IBM: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Included since: 18 Feb 2007
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Info modified on: 25 Oct 2016 18:56:29
The date of the most recent change of the data-sheet in Icecat's system
Product views: 12240
This statistic is based on the 62293 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) daily downloading this Icecat data-sheet since 18-02-07 Only sponsoring brands are included in the free Open Icecat content distribution as used by 60342 free Open Icecat users.
Long product name IBM eServer BladeCenter HS21 eServer BladeCenter:
The short editorial description of IBM eServer BladeCenter HS21 eServer BladeCenter
HS21 eServer BladeCenter, Quad Core Xeon E5335, 2.0GHz, 8MB, 1GB, Open Bay Rack

Marketing text IBM eServer BladeCenter HS21 eServer BladeCenter

The official marketing text of IBM eServer BladeCenter HS21 eServer BladeCenter as supplied by the manufacturer
Organizations need reliable servers that offer consistent performance with minimal maintenance. IBM BladeCenter® HS21 is simple to install and maintain, integrates into all BladeCenter chassis at power-efficient envelopes and offers key features for fewer maintenance hassles, such as:

-Predictive Failure Analysis®, light path diagnostics and an integrated System Management Processor for more accurate problem-solving.
-Remote management from a single graphical console with IBM Director for automated tasks.
Short summary description IBM eServer BladeCenter HS21 eServer BladeCenter:
This short summary of the IBM eServer BladeCenter HS21 eServer BladeCenter data-sheet is auto-generated and uses the product title and the first six key specs.
IBM eServer BladeCenter HS21 eServer BladeCenter, Serial Attached SCSI (SAS), Intel® Xeon® 5000 Sequence, E5335, Blade, Red Hat Linux, SUSE Linux, VMWare ESX Server, Microsoft Windows Server, Open Enterprise Server (NetW, 10 - 35 °C
Long summary description IBM eServer BladeCenter HS21 eServer BladeCenter:
This is an auto-generated long summary of IBM eServer BladeCenter HS21 eServer BladeCenter based on the first three specs of the first five spec groups.
IBM HS21 eServer BladeCenter, eServer BladeCenter. Processor frequency: 2 GHz, Processor family: Intel® Xeon® 5000 Sequence, Processor: E5335. Hard drive size: 2.5", Host interface: Serial Attached SCSI (SAS). Internal memory: 1 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 32 GB. Maximum graphics adapter memory: 16 MB, Graphics: RN50, Graphics adapter memory type: GDDR. Networking features: Gigabit Ethernet
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Processor frequency*
The speed that the microprocessor executes each instruction or each vibration of the clock. The CPU requires a fixed number of clock ticks, or cycles, to execute each instruction. The faster the clocks rate, the faster the CPU, or the faster it can execute instructions. Clock Speeds are usually determined in MHz, 1 MHz representing 1 million cycles per second, or in GHz, 1 GHz representing 1 thousand million cycles per second. The higher the CPU speed, the better a computer will perform.
2 GHz
Processor family*
A family of processors is a group of processors produced by one company over a short period of time e.g. Intel Pentium processors.
Intel® Xeon® 5000 Sequence
The model number for the processor in a computer.
Processor cores*
The number of central processing units ('cores') in a processor. Some processors have 1 core, others have 2 (e.g. Intel Core Duo) or more (e.g. the Intel Xeon E7-2850 has 10 cores).
Number of processors installed*
Number of processors in the product.
Processor cache type
Processor cache
8 MB
CPU multiplier (bus/core ratio)
Processing die size
286 mm²
Processor series
Intel Xeon 5300 series
Number of Processing Die Transistors
582 M
Thermal Monitoring Technologies
Execute Disable Bit
Processor package size
Embedded options available
Thermal Design Power (TDP)
80 W
ECC supported by processor
Processor lithography
The process which is performed by the processor e.g. CPU (Central Processing Unit).
65 nm
Processor front side bus
A computer communications interface used to connect the processor to the rest of the computer, except the cache (and possibly other processors).
1333 MHz
Maximum number of SMP processors
Processor operating modes
Operating modes for the processors that place restrictions on the type and scope of operations for certain processes run by the CPU. This design allows the operating system to run with more privileges than application software.
FSB Parity
Bus type
Processor codename
Processor socket
Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
Socket J (LGA 771)
Processor threads
The chipset connects the microprocessor to the rest of the motherboard.
Intel 5000P
Conflict Free processor
"Conflict free" means "DRC conflict free", which is defined by the U.S. Securities and Exchange Commission rules to mean products that do not contain conflict minerals (tin, tantalum, tungsten and/or gold) that directly or indirectly finance or benefit armed groups in the Democratic Republic of the Congo (DRC) or adjoining countries.
Hard drive size*
The amount of data that the hard drive can store.
Host interface*
The way that a hard disk drive (HDD) is connected to the rest of the computer through a 'bus' such as ATA or SCSI.
Serial Attached SCSI (SAS)
Internal memory*
A computer's memory which is directly accessible to the CPU.
1 GB
Maximum internal memory*
The maximum internal memory which is available in the product.
32 GB
Internal memory type*
The type of internal memory such as RAM, GDDR5.
Memory clock speed*
The frequency at which the memory (e.g. RAM) runs.
667 MHz
ECC means Error Correction Code, and it is memory that is able to detect and correct some memory errors without user intervention.
Memory slots*
Number and type of memory expansion slots, including connector and memory module descriptions.
Maximum graphics adapter memory
Graphics memory is determined by the (graphic) processor. Graphics memory is often shared with system memory so that it varies depending on the amount of system memory installed and system load.
16 MB
Graphics adapter memory type
The type of memory used by the video card. Often a combination of dedicated memory (Video RAM or VRAM) and dynamic system memory is used. UMA stands for Unified Memory Architecture, and is a computer memory architecture that allows the graphics processing unit to share system memory. Other abreviations: RAM = Random Access Memory, SDRAM = synchronous dynamic RAM, DDR = double-data-rate.
Network ready
Indicates whether the product is network-ready out of the box.
Networking features
Gigabit Ethernet
Ports & interfaces
Ethernet LAN (RJ-45) ports quantity*
Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
Expansion Slots
PCI Express x16 slots
PCI-X slots
Compatible operating systems *
List of desktop operating systems tested as compatible with this product.
Red Hat Linux, SUSE Linux, VMWare ESX Server, Microsoft Windows Server, Open Enterprise Server (NetWare 6.5), SUN Solaris 10
Chassis type *
The type of rigid framework onto which is the hosuing for device components.
Processor special features
InTru™ 3D Technology
Add a new dimension to your viewing experience. Now you can play games and watch your favorite 3D movies with Blu-ray Stereo 3D playback using passive or active shutter 3D glasses. InTru™ 3D technology by Intel in association with Dreamworks delivers it all in 1080p full high-definition resolution on your TV over HDMI 1.4.
Intel Clear Video Technology
Intel® Quick Sync Video Technology
Create, Edit, and Share Video in a Flash\nIntel® Quick Sync Video uses the dedicated media processing capabilities of Intel® Graphics Technology to make video encoding tasks—such as creating DVDs or Blu-ray discs, creating and editing 3D videos, converting 2D video files into 3D, and converting video for portable media players and social networking sites—faster and easier.
Intel vPro Technology
Leading-Edge Security for an Unwired Workplace\nThe capabilities of Intel® vPro™ technology help IT leadership protect cloud and virtual environments from rootkits and malware threats while ensuring that their organization can keep up with workforce demands. Hardware-based features support centralized image management and administration, secure network storage, and out-of-band protection.
Intel Clear Video Technology for MID
Intel Demand Based Switching
Intel VT-x with Extended Page Tables (EPT)
Intel AES New Instructions
Added Security with Faster Data Encryption\nThe Intel® Advanced Encryption Standard New Instructions (Intel® AES-NI) enable fast and secure data encryption and decryption for better performance and less risk from timing and cache-based attacks than table-based software implementations. Intel AES-NI supports usages such as standard key lengths, standard modes of operation, and even some nonstandard or future variants.
Intel® Insider™
Experience a whole new level of premium HD entertainment with Intel® Insider™—available exclusively with 5th generation Intel® Core™ processors.
Intel Trusted Execution Technology
Intel Clear Video HD Technology
See the World More Vividly\nIntel® Clear Video HD Technology delivers cleaner, sharper images, more natural, accurate, and vivid colors. View images as they were meant to be seen on devices featuring Intel® Core™ processors with Intel® Graphics Technology.
Intel Enhanced Halt State
Intel Flex Memory Access
Intel 64
Intel FDI Technology
Intel Dual Display Capable Technology
Intel Fast Memory Access
Processor ARK ID
Intel Virtualization Technology (VT-x)
Simplify Virtualization and Reduce Overheads\nIntel® Virtualization Technology (Intel® VT) helps make virtualization practical by eliminating performance overheads, reducing complexity, and improving security with hardware assistance. Virtualization allows multiple workloads to share a common set of resources so that a variety of workloads can co-locate while maintaining full isolation from each other.
Intel® Turbo Boost Technology
Higher Performance When You Need It Most\nIntel® Turbo Boost Technology 2.0 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration.
Intel My WiFi Technology
Intel® My WiFi Technology (Intel® MWT) uses an extensible software architecture that allows the operating system to think the notebook has two Wi-Fi radios performing similar, but different, functions. Each virtual Wi-Fi radio is assigned a TCP/IP stack.
Intel Hyper-Threading Technology
Improved Performance for Threaded Software\nIntel® Hyper-Threading Technology (Intel® HT Technology) makes efficient use of processor resources, enabling multiple threads to run on each core and increasing processor throughput. Available on Intel® Core™ and Intel® Xeon® processors, Intel HT Technology helps run demanding applications simultaneously, protect and manage systems, and provide headroom for business growth.
Intel Rapid Storage Technology
Enhanced Intel SpeedStep Technology
Intel Virtualization Technology for Directed I/O (VT-d)
Simplify Virtualization and Reduce Overheads\nIntel® Virtualization Technology (Intel® VT) helps make virtualization practical by eliminating performance overheads, reducing complexity, and improving security with hardware assistance. Virtualization allows multiple workloads to share a common set of resources so that a variety of workloads can co-locate while maintaining full isolation from each other.
Intel Wireless Display (WiDi) Technology
Connect to TV Wirelessly\nWith a few clicks, Intel® Wireless Display expands your screen’s potential, linking mobile devices and laptops to TV screens wirelessly. Stream family favorites and view personal experiences while turning your device’s small screen into a superior, sharable experience.
Intel Anti-Theft Technology
Disable access to missing laptops\nGiving users access to corporate data and application through remote laptops boosts productivity, but it can also leave IT vulnerable to hackers and misplaced laptops. Intel® Anti-Theft Technology is built into the laptop hardware, helping IT administrators outwit thieves, even when they attempt to reimage the OS, change the boot order, or install a new hard drive. When laptops with Intel® Anti-Theft Technology (Intel® AT) become lost or stolen, they can be remotely disabled. If the laptop is recovered, it can be quickly reactivated to normal operation.
Weight & Dimensions
Width *
The measurement or extent of something from side to side.
1.14" (29 mm)
Depth *
The distance from the front to the back of something.
17.6" (446 mm)
Height *
The measurement of the product from head to foot or from base to top.
9.65" (245 mm)
Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
11.9 lbs (5,4 kg)
CE, FCC Class A certified, TUV GS, ISO 9241-3, ISO 9241-8, CISPR 22 Class A, EN 60950, EN 61000-3-2, IEC 60950, EN 61000-3-3, EN55024, EN55022 Class A, CB, FCC Part 15, ICES-003 Class A, UL 60950-1, CSA C22.2 No. 60950-1-03
Operational Conditions
Operating temperature range (T-T)
The minimum and maximum temperatures at which the product can be safely operated.
10 - 35°C
Operating relative humidity range
8 - 80%
Other features
Mac compatibility
Product can be used with Apple Mac software and/or hardware.
Video modes resolution
1024 pixels