Enquire: Asia & Africa - +65-98008081 USA - +1-919-995-4114
Laptop
Laptop

Laptop Screen

Monitor
Monitor
Printer and Scanner
Printer and Scanner

Printer Accessories

Computer Peripherals
Computer Peripherals

Mounts, Stands & Racks

Desktop
Desktop

Workstations

Mobiles & Tablets
Mobiles & Tablets
Adapters & Cables
Adapters & Cables
Services & Supports
Services & Supports
Barcode Scanners & Mobile Computers
Barcode Scanners & Mobile Computers
Security Software
Security Software
MTP/MPO Fiber Cables
MTP/MPO Fiber Cables

MTP/MPO Trunks Hot

MTP/MPO Harnesses

MTP PRO Trunks

MTP/MPO Conversions

MTP/MPO Cables Custom Hot

Fiber Patch Cables
Fiber Patch Cables

OS2 Single Mode Hot

OM5 Multimode

OM4 Multimode Hot

OM3 Multimode

OM1/OM2 Multimode

Patch Cables Custom

Specialty Fiber Cables
Specialty Fiber Cables

Armored Cables Hot

Industrial Cables Hot

High Density Cables

FTTA Cables

Multifiber Cables

Mode Conditioning Cables

PM Cables

Fiber Pigtails
Fiber Pigtails

12 Fibers Pigtails Hot

Simplex Pigtails Hot

Pigtails Custom

Fiber Optic Cleaners
Fiber Optic Cleaners

Pen Cleaners Hot

Sticks

Reel Type Cleaners

Accessories
Accessories

Fiber Adapters Hot

PLC Splitters Hot

Fiber Attenuators Hot

Fiber Connectors

Fan-Out Kits

Splice Closures

Fiber Loopbacks

Cameras & Surveillance
Cameras & Surveillance

Digital Cameras

Film Cameras

IP Camera - Wifi Spy Camera

Hidden Cameras

Mini Cameras

Action Camera

Scanner Camera

Wireless Camera

Explosion Protected Camera

Fixed Box Camera

Security Cameras

Video Recorders

Video Storage

Display & Control

Access Control

Accessories

Network Antennas
Network Antennas
Networking Cards
Networking Cards
Hardware Firewalls
Hardware Firewalls
Wireless
Wireless

License

Accessories

Indoor Access Points

Outdoor Access Points

Wireless Controllers

Airware Cloud

Wi-Fi Routers

Network Switches
Network Switches

License

Network Switch Accessories

Switch Modules & Line Cards

Wired Routers
Wired Routers
Gateways/controllers
Gateways/controllers
Media Converters, Extenders
Media Converters, Extenders

Copper to Fiber Media Converters Hot

Media Converter Chassis

PoE Extenders

Modems
Modems
PoE Adapters
PoE Adapters
Smart Power Socket
Smart Power Socket
Repeater
Repeater
Wireless Adapter
Wireless Adapter
USB Hubs
USB Hubs
Sensor
Sensor
wireless routers
wireless routers

License

Network Adapter
Network Adapter

Mellanox NICsHot

InfiniBand Adapters

QLogic FC HBAs

Intel%AE/Intel Based NICsHot

Mobile Wi-Fi Hotspots
Mobile Wi-Fi Hotspots
Transceiver
Transceiver
Networking Accessories
Networking Accessories

Network Software Licenses

Network Audio
Network Audio

Network Speaker

Satellite Radios
Satellite Radios
Servers & Storage
Servers & Storage

Rack Servers

Tower Servers

High-Density Servers

Data Storage

KVM Switches

KVM Extenders

Storage Array Modules

Power
Power

UPS Systems

Auto Transfer SwitchNew

Basic Rack PDUs

Metered Rack PDUs

Monitored Rack PDUs

Switched Rack PDUs

Power Cords

Hospital-Grade Power Cords

Router, Security, NPB
Router, Security, NPB

Routers

Firewalls

Network Packet Brokers

Fiber TAPs

Conferencing, Phones
Conferencing, Phones

Conference Cameras

Webcams & Headsets

Speakerphones

Interactive Displays

IP Phones

IP PBXs

Telephony Cards

VoIP Gateways

Wireless & Access
Wireless & Access

50G SFP56 for 5G Wireless

25G SFP28 for 5G Wireless

10G SFP+ for 4G Wireless

GPON Hot

XGSPON Ho

XGPON & XGPON Combo New

EPON & 10G EPON New

Wireless & Access Custom Hot

XGSPON Combo

100/200/400/800G Modules
100/200/400/800G Modules

800G QSFP-DD/OSFP

400G QSFP-DD/OSFP

200G QSFP-DD/QSFP56

100G QSFP28 Hot

Industrial 100G QSFP28

Converter/Fibre Channel

100/200/400/800G Custom

10/25/40G Modules
10/25/40G Modules

10G SFP+ Hot

40G QSFP+ Hot

25G SFP28 Hot

25G BiDi SFP28

25G CWDM/DWDM SFP28

10G BiDi SFP+

10G CWDM/DWDM SFP+ Hot

Converter/Fibre Channel

10/25/40G Custom

1/2/4G Modules
1/2/4G Modules

2.5G SFP

1G SFP Hot

1G BiDi SFP Hot

1G CWDM/DWDM SFP

100M SFP

1G SONET/SDH SFP

Fibre Channel

1/2/4G Custom

Optical Transmission
Optical Transmission

10G CWDM/DWDM SFP+ Hot

25G CWDM/DWDM SFP28

100G DWDM QSFP28

1G CWDM/DWDM SFP

Coherent 200/400G DWDM Hot

Optical Transmission Custom

Data Center
Data Center

200/400/800G QSFP-DD

50/100G QSFP28

40G QSFP+

25G SFP28

10G SFP+ Hot

InfiniBand

Mellanox NICs Hot

Intel AE/Intel Based NICs Hot

DAC/AOC/AEC Cables
DAC/AOC/AEC Cables

800G DAC/AOC

200/400G DAC/AOC/AEC

100G DAC/AOC Hot

50/56G DAC/AOC

40G DAC/AOC Hot

10/25G DAC/AOC Hot

1G DAC

DAC/AOC/AEC

Others
Others

FS BOX Hot

SDI Modules

Loopback Modules

100G CFP/CFP2/CFP4

10G XFP/X2/XENPAK Hot

Accessories

Fiber Optic Panels
Fiber Optic Panels

LC Fiber Optic Panels

SC Fiber Optic Panels

ST Fiber Optic Panels

MTP/MPO Fiber Optic Panels

MDC Fiber Optic Panels

Multimedia Copper/Fiber Panels

Fiber Optic Cassettes
Fiber Optic Cassettes

MTP/LC/SC/MDC Cassettes Hot

MTP Conversion Cassettes

MTP Mesh Cassettes

LC Splice Cassettes

TAP Cassettes

Fiber Optic Enclosures
Fiber Optic Enclosures

Rack Mount Hot

Wall Mount

Accessories

Cable Management
Cable Management

Cable Managers Hot

Convoluted Tubing

Cable Ties

Cable Labels

Label Printers & Accessories

Racks & Cabinets
Racks & Cabinets

Server Cabinets Hot

Wall Mount Cabinets

Network Cabinets

Open Frame Racks

Accessories Hot

Enterprise Switches
Enterprise Switches

1/2.5G Enterprise SwitchesHot

10G Enterprise SwitchesHot

25G Enterprise Switches

40G Enterprise Switches

100G Enterprise Switches

Modular Enterprise Switches

Accessories

PoE+ Switches
PoE+ Switches

1G PoE+ SwitchesHot

2.5/5G PoE+ Switches

10G PoE+ Switches

25G PoE+ Switches

Accessories

Data Center Switches
Data Center Switches

10G Data Center SwitchesHot

25G Data Center SwitchesHot

40G Data Center SwitchesHot

100G Data Center SwitchesHot

400G Data Center Switches

Modular Data Center Switches

InfiniBand Switches

Accessories

Small Business
Small Business

1G SMB Switches

2.5G SMB Switches

5/10G SMB Switches

Accessories

Industrial Ethernet Switches
Industrial Ethernet Switches

1G Industrial Switches Hot

2.5G Industrial Switches

10G Industrial Switches

Accessories

Router, Security, NPB
Router, Security, NPB

Routers

Firewalls

Network Packet Brokers

Cooling Solutions
Cooling Solutions
Fiber Testers
Fiber Testers

OTDR Hot

Fiber Inspection

Power Meters Hot

Fault Locators Hot

Light Sources Hot

Optical Multimeters

Fiber Identifiers

Optical Talk Sets

Fiber Optic Tools
Fiber Optic Tools

Fiber Tool Kits Hot

Fiber Cleavers Hot

Fiber Polishing

Fiber Strippers

Fiber Slitters

Fiber Cutters

Fiber Optic Cleaners
Fiber Optic Cleaners

Pen Cleaners Hot

Sticks&Wipes

Reel Type Cleaners

Copper Tools
Copper Tools

Network Tool Kits Hot

Punch Down Tools

Cable Strippers Hot

Copper Testers
Copper Testers

Cable Testers Hot

Cable Qualifiers Hot

Cable Certifiers

Access Networks
Access Networks

FMT Series Hot

M6200 Series Hot

MS8100 Series

Data Center Interconnect
Data Center Interconnect

M6500 Series

M6800 Series

DCP Series Hot

NX N40 Series

PON Networks
PON Networks

GPON & EPON OLT Hot

GPON & EPON ONT/ONU Hot

ODN

PON Transceivers

Passive Components
Passive Components

PLC Splitters Hot

Fiber Attenuators Hot

FWDM Filters

xWDM/xPON

Splice Closures

Transceivers
Transceivers

200G/400G CFP2 Hot

100G QSFP28 Hot

25G CWDM/DWDM

10G CWDM/DWDM Hot

1G CWDM/DWDM

Open Line System
Open Line System

Optical Amplifiers Hot

Dispersion Compensation

Fiber Monitoring

Optical Protection

DWDM Open Line System

Chassis & Accessories

Mux Demux & OADM
Mux Demux & OADM

DWDM Mux Demux Hot

CWDM Mux Demux Hot

DWDM/CWDM OADM

Custom Mux Demux & OADM

Chassis & Accessories

Transponders & Muxponders
Transponders & Muxponders

1G/10G/25G Transponder

100G/200G/400G Transponder

10G/200G/400G Muxponder

Chassis & Accessories

Home Networking Servers & Storage HPE 12Gb SAS Smart Array PCIe Gen3 Controller 2GB Cache (804394-B21)

HPE 12Gb SAS Smart Array PCIe Gen3 Controller 2GB Cache (804394-B21)

Brand:
HPE

The HPE 804394-B21 Smart Array Controller is a high-performance PCIe Gen3 RAID controller engineered for enterprise servers and storage environments. Designed with 12Gb/s SAS technology and 2GB cache memory, it delivers faster data processing, enhanced storage reliability, and efficient RAID management for virtualization, database, and business-critical workloads.

OVERVIEW

  • The HPE 804394-B21 Smart Array Controller is built to support modern enterprise storage infrastructure with dependable RAID functionality and optimized throughput. Featuring 12Gb/s SAS connectivity and PCIe Gen3 architecture, this controller enables faster data transfers, improved application responsiveness, and advanced storage management capabilities.
  • Equipped with 2GB onboard cache memory, the controller helps accelerate read/write operations while improving workload efficiency for high-demand server environments. It is ideal for businesses seeking scalable storage performance, data redundancy, and long-term operational reliability in rack servers and data center deployments.
  • Designed for seamless integration into HPE server platforms, the controller supports enterprise RAID levels for enhanced data protection and business continuity.

USE CASES

  • Enterprise server storage expansion
  • Virtualized infrastructure environments
  • Database and transactional workloads
  • High-speed SAS storage deployments
  • RAID-based data protection solutions
  • Data center modernization projects
  • Business-critical application hosting
  • Backup and disaster recovery systems

KEY FEATURES

  • 12Gb/s SAS storage interface for high-speed data transfer
  • PCIe Gen3 connectivity for enhanced bandwidth performance
  • Integrated 2GB cache memory for accelerated storage operations
  • Enterprise-class RAID support for data protection
  • Optimized for HPE server and storage ecosystems
  • Reliable performance for demanding business workloads
  • Scalable architecture for future storage growth
  • Efficient management of SAS and RAID storage arrays
  • Reduced storage bottlenecks in virtualized environments
  • Built for continuous enterprise operation and uptime

TECHNICAL SPECIFICATIONS

  • Brand: HPE
  • Product Model: 804394-B21
  • Product Type: Smart Array Controller
  • Interface Type: PCIe Gen3
  • Storage Interface: 12Gb/s SAS
  • Cache Memory: 2GB
  • Controller Type: Enterprise RAID Controller
  • Deployment Type: Internal Server Storage
  • RAID Support: Multiple RAID Levels
  • Application: Enterprise Servers & Storage
  • Performance Focus: High-Speed Data Processing
  • Compatibility: HPE Server Platforms
  • Form Factor: PCIe Expansion Card
  • Usage Environment: Data Center & Enterprise IT

CUSTOMER REVIEW

No Reviews Found

FAQ

No FAQs Found