Latest Posts

view all

Blog categories

HP ProLiant BL420c Gen8 Server series

HP ProLiant BL420c Gen8 Server series

The HP ProLiant BL420c Gen8 is the new entry level dual-socket half-height offering in the blade server portfolio, designed for cost-optimized performance, high availability, and enterprise-level management. 

More details

Standard Features

NOTE: This document covers the HP ProLiant BL420c Gen8 server blade only. For information on HP BladeSystems c-Class Enclosures and HP BladeSystem c-Class Interconnect and Mezzanine Components, please see the following: 

HP BladeSystem c-Class Enclosures QuickSpecs:

NOTE: For proper BladeSystem operation, the minimum required versions of HP Onboard Administrator and HP Virtual Connect are required and available via the HP Service Pack for ProLiant, please see

NOTE: For the Standard Features shipped in the "Factory Integrated Models", please see the "Configuration Information - Factory Integrated Models" section.
One of the following depending on Model
Eight-Core Processors
Intel® Xeon® E5-2470 (2.3GHz/8-core/20MB/95W) Processor
Intel® Xeon® E5-2450 (2.1GHz/8-core/20MB/95W) Processor
Intel® Xeon® E5-2450L (1.8GHz/8-core/20MB/70W) Processor
Six-Core Processors
Intel® Xeon® E5-2440 (2.4GHz/6-core/15MB/95W) Processor
Intel® Xeon® E5-2430 (2.2GHz/6-core/15MB/95W) Processor
Intel® Xeon® E5-2430L (2.0GHz/6-core/15MB/60W) Processor
Intel® Xeon® E5-2420 (1.9GHz/6-core/15MB/95W) Processor
Quad-Core Processors
Intel® Xeon® E5-2407 (2.2GHz/4-core/10MB/80W) Processor
Intel® Xeon® E5-2403 (1.8GHz/4-core/10MB/80W) Processor

Cache Memory
One of the following depending on Model
20MB shared L3 cache 
NOTE: For Eight-core processors.
15MB shared L3 cache 
NOTE: For Six-core processors.
10MB shared L3 cache 
NOTE: For Quad-core processors.

Chipset Intel® C600 Series Chipset
Intel® E5-2400 Processor Family
NOTE: For more information regarding Intel chipsets, please see the following:

Upgradeability Upgradeable to two (2) processors

On System Management Chipset HP iLO (Firmware: HP iLO 4)
NOTE: For more information, visit:

Memory Protection Advanced ECC
Memory Online Spare Mode (Rank Spare Mode)
Memory Lockstep Mode

One of the following depending on Model
Type HP SmartMemory
DDR3 Load Reduced (LRDIMM), Registered (RDIMM), or Unbuffered ECC (UDIMM)
Standard (Pre-configured Models) 12GB (3 x 4GB) DDR3 1333MHz RDIMMs at 1.35V
24GB (6 x 4GB) DDR3 1600MHz RDIMMs at 1.5V
Maximum (LRDIMM) 384GB (12 x 32GB) up to 1333MHz at 1.35V
Maximum (RDIMM) 192GB (12 x 16GB) up to 1600MHz at 1.5V
192GB (12 x 16GB) up to 1333MHz at 1.35V
Maximum (UDIMM) 96GB (12 x 8GB) UDIMMs up to 1333MHz at 1.35V
NOTE: To realize the performance memory capabilities listed in this document, HP SmartMemory is required. 
NOTE: Please see QuickSpecs for technical specifications and additional information at
NOTE: HP memory from previous generation servers are not fully compatible with Smart Memory features in Gen8 Servers.

Network Controller
One of the following depending on Model
NOTE: Supports one of the following FlexibleLOMs and iLO Management.

One (1) HP FlexFabric 10Gb 2-port 554FLB FlexibleLOM
NOTE: Supports FCoE, Flex-10, TCP/IP offload engine, hardware-based accelerated iSCSI, iSCSI boot, and autosensing 10Gb/1Gb Ethernet.
NOTE: Each port is autosensing 1Gb/10Gb, and can interoperate with 1Gb HP BladeSystem c-Class interconnect components. Both ports will operate at the same speed.
NOTE: FlexFabric capabilities require the use of an HP Virtual Connect FlexFabric module. Fibre Channel over Ethernet (FCoE) is supported with the HP 10GbE Pass-Thru Module, HP 6120XG Blade Switch with the CEE license installed, HP Cisco B22HP Fabric Extender and HP Cisco B22HP Fabric Extender with 16 FET for BladeSystem c-Class. Learn more

One (1) HP Flex-10 10Gb 2-port 530FLB FlexibleLOM
One (1) HP Ethernet 10Gb 2-port 560FLB FlexibleLOM
One (1) HP Ethernet 1Gb 2-port 361FLB FlexibleLOM
NOTE: FlexibleLOMs are not compatible with prior generation c-Class server blades

Standard iLO Network Controller:
One (1) 10/100 Mbps port for the HP iLO 4 On System Management Chipset

Expansion Slots Two (2) I/O expansion mezzanine slots:
  • X8 PCIe 3.0 Type A (supports Type A mezzanine cards) (expansion slot 1).
    NOTE: This expansion slot supports dual-port mezzanine cards: one port is routed to interconnect module bay 3 and the other to bay 4.
  • x16 PCIe 3.0 Type B (supports Type A and Type B mezzanine cards (expansion slot 2).
    NOTE: This expansion slot supports dual-port and quad-port mezzanine cards. For dual-port cards, one port is routed to interconnect module bay 5 and the other to bay 6. For quad-port cards, one port is routed to interconnect module bay 5, one to bay 6, one to bay 7, and one to bay 8.
    NOTE: A second processor must be installed (in processor slot 2) to have access to the second expansion slot (expansion slot 2).

Mezzanine card options include:

  • Dual-port 10Gb FlexFabric,10Gb Flex-10, 10GbE options, and quad-port 1Gb Ethernet server adapter mezzanine options for additional network ports
  • Dual-port 8Gb Fibre Channel HBA for SAN connectivity
  • QDR and FDR InfiniBand for low latency and high bandwidth server interconnectivity
  • I/O accelerator mezzanine options for high transaction rate local storage

HP Server ROM HP ROM (read only memory) is now digitally signed using HP's Corporate Signing Service. This signature is verified before the flash process starts, reducing accidental programming and preventing malicious efforts to corrupt system ROM. 

HP ROM provides for essential initialization and validation of hardware components before control is passed to the customer-installed operating system. The ROM also provides the capability of booting from various fixed media (HDD, CD-ROM) and removable media (USB), to continue operation to the operating system.

HP ROM performs very early configuration of the video controller, to allow monitoring of initialization progress via an attached monitor. If configuration or hardware errors are discovered during this early phase of hardware initialization, suitable messages are now displayed on the connected monitor. Additionally, these configuration or hardware errors are logged to the Integrated Management Log (IML) to assist in diagnosis. 

HP's ProLiant ROM is used to configure the following:
  • Processor and chipset status registers
  • System memory, memory map, and memory initialization
  • System hardware configuration (integrated PCI devices and optional PCIe cards).
  • Customer-specific BIOS configuration using the HP ROM-Based Setup Utility (RBSU).

NOTE: For further information, please refer to HP's RBSU (ROM based setup utility) user

Storage Controller One of the following depending on Model One (1) HP Smart Array P220i Controller with 512MB FBWC, (RAID 0 and 1)
NOTE: Upgradeable firmware with recovery ROM.
NOTE: The HP Smart Array P220i supports two (2) small form factor (SFF) hot plug drive bays.
One (1) HP Dynamic Smart Array B320i Controller (SATA RAID 0 and 1 standard; SAS RAID 0 and 1 standard on preconfigured models and optional with SAS License Key upgrade on Configure-to-Order models)
NOTE: HP Dynamic Smart Array B320i supports two (2) small form factor (SFF) hot plug drive bays.
NOTE: The server supports up to a combined total of two (2) FBWC supercap options.
Available Options: Smart Array Advanced Pack Software for enhanced performance, reliability, availability, and security of system data, SAS License Key (RAID 0 and 1) and HP 512MB FBWC for B-Series Smart Array.

Maximum Internal Storage Hot Plug SFF SAS 2.0TB 2 x 1.0TB
Hot Plug SFF SATA 2.0TB 2 x 1.0TB
Hot Plug SFF SAS SSD 1.6TB 2 x 800GB
Hot Plug SFF SATA SSD 800GB 2 x 400GB
NOTE: The ProLiant BL420c Gen8 server includes the new HP hot plug small form factor (SFF) SmartDrive carrier for enhanced management and reduced maintenance errors. HP drives from previous generation servers are not compatible with the ProLiant BL420c Gen8 drive bays.

Interfaces Micro SDHC Slot

One (1) internal Micro Secure Digital High Capacity (Micro SDHC) card slot

USB 2.0 Port One (1) internal USB 2.0 connector for USB flash media drive keys
NOTE: The above options are for integrated hypervisor virtualization environments needing a low cost boot solution with the highest performance and reliability.

Industry Standard Compliance

ACPI 2.0 
Microsoft® Logo certifications
USB 2.0 Support
IPMI 2.0 
Secure Digital 2.0
TPM 1.2 Support
IEEE (specific IEEE standards dependant on Ethernet adapter card(s) installed)
Advanced Encryption Standard (AES)
Triple Data Encryption Standard (3DES)
SSL 2.0
DMTF Systems Management Architecture for Server Hardware Command Line Protocol (SMASH CLP) 
Active Directory v1.0
PCIe 3.0

Operating Systems and Virtualization Software Support for ProLiant Servers

Microsoft Windows Server
Red Hat Enterprise Linux (RHEL)
SUSE Linux Enterprise Server (SLES)
Oracle Solaris

NOTE: For more information on HP's Certified and Supported ProLiant Servers for OS and Virtualization Software and latest listing of software drivers available for your server, please visit our Support Matrix at: and our driver download page

Enclosures HP offers two different c-Class server blade enclosures to meet your individual needs:
  • The HP BladeSystem c7000 rack enclosure is 10U high and holds up to sixteen (16) ProLiant BL420c Gen8 servers plugged vertically.
  • The HP BladeSystem c3000 rack enclosure is 6U high and holds up to eight (8) HP ProLiant BL420c Gen8 servers plugged horizontally.
  • Server blades, storage blades, interconnect modules, power supplies, fans, and redundant Onboard Administrator modules are all designed to fit into the c3000 and c7000 enclosures.

NOTE: For additional enclosure information, please see:

Graphics Integrated Matrox G200 video standard
  • 1280 x 1024 (32 bpp)
  • 1920 x 1200 (16 bpp)

Form Factor

HP ProLiant BL420c Gen8 is a half-height server blade that plugs into the HP BladeSystem c3000 and c7000 enclosures.

On System Management

HP iLO Management Engine HP iLO Management Engine is a comprehensive set of embedded management features supporting the complete lifecycle of the server, from initial deployment, through ongoing management, to service alerting and remote support. HP iLO Management Engine comes standard on all HP ProLiant Gen8 servers. The HP iLO Management Engine portfolio includes:
  • HP iLO: The HP iLO management processor is the core foundation for HP iLO Management Engine. HP iLO for HP ProLiant servers simplify server setup, engage health monitoring and power and thermal control, and promote remote administration for HP ProLiant ML, DL, BL and SL servers. Furthermore with the new HP iLO is the ability to access, deploy, and manage your server anytime from anywhere with your Smartphone device.
  • HP Agentless Management: With HP iLO Management Engine in every HP ProLiant Gen8 server, the base hardware monitoring and alerting capability is built into the system (running on the HP iLO chipset) and starts working the moment that a power cord and an Ethernet cable is connected to the server.
  • HP Active Health System: HP Active Health System is an essential component of the HP iLO Management Engine. The HP Active Health System monitors and records changes in the server hardware and system configuration. The Active Health System assists in diagnosing problems and delivering rapid resolution when system failures occur.
  • HP Intelligent Provisioning (previously known as SmartStart): HP Intelligent Provisioning offers the ability for out-of-the box single-server deployment and configuration without the need for media.

NOTE: For more information, visit:

HP Insight management software

HP Service Pack for ProLiant (SPP) HP Service Pack for ProLiant (SPP) and HP Smart Update Manager (HP SUM) version 5 provide a new, comprehensive approach to firmware and system software maintenance. Together they provide better operating stability and ensure maximum uptime. The SPP will be updated at a predictable cadence, typically coinciding with new HP server hardware launches. By enabling all firmware to be updated online and integrating firmware and system software updates in one operation HP SUM and the SPP offer faster updates of individual servers and dramatically faster updates of entire BladeSystem enclosures. Further improving system uptime and stability is the fact that HP provides 12 months of support on each Service Pack for ProLiant.

The user experience around HP SUM and the SPP has been improved in several ways, starting with the web download. A single web page provides access to a single download containing both the latest version of HP SUM version 5 and the latest SPP. Optional smaller subsets with only specific types of servers or specific operating systems are offered to save on download time. The HP SUM application has been re-written to provide a more straightforward, intuitive user interface that guides the user through the steps of discovery, analyses and update, providing comprehensive information on available updates, criticality and interdependencies. This information is also available in reports. By providing the option of multiple local or shared repositories which can be easily updated from, HP SUM provides the tools to optimize stability and consistency throughout the company. While HP SUM and the SPP will recommend the combinations of firmware and system software that HP has found to be the best practice, the application gives customers the flexibility to set their own specific baseline. 

The Service Pack for ProLiant has been rigorously tested with specific attention for interaction between firmware, drivers and agents both within the server as well as in interaction with the BladeSystem enclosure components (Onboard Administrator and Virtual Connect). This testing ensures the highest quality as well as providing the input for HP SUM to deploy updates taking into account all interdepencies, when determining the correct updates and order of update deployment.

NOTE: The Service Pack for ProLiant (which includes HP SUM 5) can be downloaded from More information can be found: and

  • Power-on password
  • Administrator's password
  • Keyboard password (QuickLock)
  • HP iLO 4 On System Management Chipset with:
    • SSL encryption
    • Secure Shell version 2
    • Advanced Encryption Standard (AES) and Triple Data Encryption Standard (3DES) on browser, CLP and XML scripting interface
    • AES and RC4 encryption of video
  • External USB port enable/disable
  • Network server mode
  • Serial interface control
  • TPM (Trusted Platform Module) 1.2 option
  • Advanced Encryption Standard (AES)
  • Intel® Advanced Encryption Standard-New Instructions (AES-NI)

Availability Memory
  • Advanced ECC uses single device data correction (SDDC) to detect and correct single and all multi-bit error that occurs within a single DRAM chip. Both x4 and x8 SDDC are supported (x8 requires lockstep mode).
  • Memory online spare mode (also known as rank spare mode) detects a rank that is degrading and switches operation to the spare rank.
  • Memory Lockstep mode is used to correct a single x8 DRAM device failure on a DIMM. The DIMMs in each paired memory channel must have identical HP part numbers.
  • Memory demand and patrol scrubbing to prevent accumulation of correctable errors and reducing the likelihood of unplanned downtime.
  • Failed DIMM isolation improves the service time thus improving the overall system availability.
  • Address parity protection available on RDIMMs and LRDIMMs detects address bit errors improving service time and overall system availability.

Mezzanine options and I/O

  • Support for one (1) FlexibleLOM, providing two (2) (i.e. redundant) Ethernet ports
    Multiple mezzanine I/O expansion slots that support a wide variety of mezzanine cards each supporting multiple data paths routed to redundant interconnect modules.
  • Network Adapter Teaming (bonding) provides network fault tolerance, transmit load balancing, and switch-assisted load balancing.


  • Two (2) Small Form Factor hot-plug SAS/SATA/SSD drive bays.
  • Choice of SAS controller:
    • HP Smart Array P220i Controller with 512MB FBWC, RAID 0 and 1 support, and upgradeable firmware with recovery ROM capability.
    • HP Dynamic Smart Array B320i controller with optional 512MB FBWC upgrade and/or SAS license upgrade for RAID 0 and 1 support (SAS license comes standard on pre-configured models and comes as an upgrade option when selecting Configure-to-Order models).
  • Optional HP D2200sb Storage Blade for direct attached and shared storage within the c-Class enclosure.
  • Optional dual-port Fibre Channel mezzanine cards for redundant SAN connections.


  • Processor internal sensors & thermal control protection against over-temperature conditions.
  • Cache parity/ECC protects cache data from accidental data corruption.
  • Machine Check Architecture (MCA) detects and captures hardware errors such as system bus, memory ECC, parity, and cache, and improves service time.
  • Intel® QPI Protocol Protection allows detection of data errors using a checksum of 8-bits.
  • Core Disable for FRB (fault resilient boot) allows a system to power-on despite a failing core-pair. It uses BIST (built-in self test) results to detect a failure and disables the target core-pair upon subsequent boot.

Server Blade Enclosure Infrastructure

  • Pooled power for true N+N power redundancy through up to six (6) hot-plug, high-efficiency, enclosure-based power supplies (configuration dependant).
  • Up to ten (10) redundant enclosure-based hot-plug HP Active Cool fans that scale to meet future demands and optimize airflow, reduce power draw, and improve acoustic performance.
  • Dual grid power providing redundant rack enclosure power feeds to the server blade enclosure.
  • HP Dynamic Power Saver Mode the total enclosure power consumption is monitored in real time and automatically adjusted with changes in demand for improved efficiency and reliability.
  • HP Dynamic Power Capping safely limits power usage without impacting performance by capping peak instead of average power usage, removes risk to electrical infrastructure with fast-acting, hardware-based capping algorithm, and reclaims more power by dynamically controlling power limits based on workload demand.
  • Up to eight interconnect modules per server blade enclosure providing four simultaneous redundant fabrics for FlexFabric, Virtual Connect Ethernet, Fibre Channel, InfiniBand, iSCSI, etc.
  • Enclosure crosslinks between adjacent to provide interconnect module-to-module connections or as Virtual Connect module stacking links.
  • Optional enclosure redundant Onboard Administrator system management module.


This product is covered by a global limited warranty and supported by HP Services and a worldwide network of HP Authorized Channel Partners. Hardware diagnostic support and repair is available for three years from date of purchase. Support for software and initial setup is available for 90 days from date of purchase. Enhancements to warranty services are available through HP Care Pack services or customized service agreements. Certain restrictions and exclusions apply. Hard drives have either a one year or three year warranty; refer to specific hard drive QuickSpecs for details. 
NOTE: Server warranty includes 3-year Parts, 3-year Labor, 3-year on-site support. Warranty repairs may be accomplished through the use of Customer Self Repair (CSR) parts. These parts fall into two categories: 1) Mandatory CSR parts are designed for easy replacement. A travel and labor charge will result when customers decline to replace a Mandatory CSR part; 2) Optional CSR parts are also designed for easy replacement but may involve added complexity. Customers may choose to have HP replace Optional CSR parts at no charge.