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Dual pack SAS switches worked flawlessly.
BK764A
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HP 6Gb/s SAS BL Switch Dual Pack
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BK764A
- Description:
- HP 6Gb/s SAS BL Switch Dual Pack
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BK764A Overview
BK764A is a high-performance, stackable Layer 3 switch built with a robust, enterprise-grade architecture designed for modern data centers and campus networks. It features flexible power options including both redundant power supply and AC power supply configurations, ensuring maximum uptime and continuous operation.
The device offers an extensive range of ports with 24–48 fixed Ethernet ports and additional SFP uplink options, making it ideal for scalable, high-density network deployments. Its stacking capability paired with impressive switching capacity enables easy scalability and enhanced performance for complex network use cases such as branch connectivity, high-availability routing, and mission-critical applications.
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BK764A Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 250W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- BK764A
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 fixed Ethernet ports and 4 SFP uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- 320 Gbps
- Switching Capacity with Stacking
- 640 Gbps
- Product Name
- BK764A Stackable Layer 3 Gigabit Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 11 inches
- Weight
- 15 lbs
BK764A Use Case
Enterprise Virtualization Storage Consolidation with BK764A-HP 6Gb/s SAS BL Switch Dual Pack
In a Tier-1 data center hosting 200+ VMware ESXi blades, IT deploys the BK764A-HP 6Gb/s SAS BL Switch Dual Pack to unify SAS-attached storage across multiple enclosures. This solution slashes cable complexity by 50%, supports on-demand LUN provisioning up to 60 drives per chassis, and scales non-disruptively. Outcome: 30% faster VM deployments, 40% lower infrastructure costs, and centralized storage management.
High-Availability Disaster Recovery for Financial Services
A global bank integrates the BK764A-HP 6Gb/s SAS BL Switch Dual Pack into its secondary DR site to mirror mission-critical SAN volumes with synchronous replication. Dual redundant fabrics eliminate single-points-of-failure and enable automated failover across blade enclosures. Outcome: Sub-30-second RPO/RTO compliance, continuous transaction availability, and audit-grade data integrity.
Accelerated Big Data Analytics for Genomic Research
A biopharma firm leverages the BK764A-HP 6Gb/s SAS BL Switch Dual Pack to attach high-density SSD arrays to compute-optimized blades for real-time sequencing analysis. The dual-switch architecture delivers sustained 1.2 GB/s throughput per node and scales to petabyte-class datasets without bottlenecks. Outcome: 50% reduction in pipeline runtime, faster variant discovery, and 25% lower TCO on high-performance storage.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| BK764A |  751465-B21 |  787635-B21 |  AM868C |  QW937B | |
|---|---|---|---|---|---|
| Depth | 11 inches | 10 inches | 11 inches | N/A | 15 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 256 MB | 64 MB | 32 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1 inches | 1.75 inches | N/A | 1 inches |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | BK764A | 751465-B21 | 787635-B21 | AM868C | QW937B |
| Media Type Supported | Combo | Twisted Pair | Twisted Pair / Fiber / Combo | Combo | Combo |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 8 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | 24 fixed Ethernet ports and 4 SFP uplink ports | 2 expansion slots available | 2 expansion slots available | N/A | N/A |
| Power Consumption | 250W | 150 W | 350 W | N/A | N/A |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply |
| Product Name | BK764A Stackable Layer 3 Gigabit Switch | 751465-B21 Enterprise Rack-Mount Switch | Enterprise Stackable Switch 787635-B21 | AM868C Stackable Managed Ethernet Switch | QW937B Series Enterprise Managed Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 320 Gbps | 64 Gbps | 80 Gbps | N/A | 128 Gbps |
| Switching Capacity with Stacking | 640 Gbps | 128 Gbps | 160 Gbps | N/A | 256 Gbps |
| Uplink Configuration | 10G | 1G | 10G | 10G | 10G |
| Weight | 15 lbs | 15 lbs | 12 lbs | N/A | 15 lbs |
| Width | 17.5 inches | 18 inches | 17.5 inches | N/A | 17 inches |
Reviews & Ratings
D
Derek Hunt
5
Reliable internal storage connectivity.
V
Victor Lane
5
Simple installation within blade system.
S
Stephen Moore
4
Consistent SAS performance.
A
Anthony Reed
5
Dependable solution for blade storage.
Questions & Answers
What is the HP 6Gb/s SAS BL Switch Dual Pack (SKU: BK764A)?
The HP 6Gb/s SAS BL Switch Dual Pack (BK764A) includes two high-performance 6Gb/s SAS switches designed for HP BladeSystem enclosures, providing scalable, redundant connectivity between blade servers and external SAS storage.
Which HP BladeSystem enclosures are compatible with the BK764A switch?
The BK764A switch is compatible with HP BladeSystem c-Class enclosures, including c7000 and c3000 models, supporting full integration with HP Onboard Administrator for unified management.
How many SAS ports does each BK764A switch support?
Each BK764A switch provides 20 internal 6Gb/s SAS ports for server blades and 8 external 6Gb/s SAS ports for connecting to external storage arrays.
Does the dual pack configuration offer redundancy?
Yes, the dual-pack design ensures active-active redundancy, enabling automatic failover to maintain 24/7 connectivity and eliminate single points of failure.
What cabling is required for the BK764A switch installation?
Installation requires HP SAS interconnect cables (SFF-8088 to SFF-8088) to connect the external SAS ports to JBOD enclosures; internal blade connectivity is native.
How is the BK764A switch managed?
The BK764A switch is managed via the HP Onboard Administrator web interface or HP Insight Control, offering real-time monitoring, configuration, and firmware updates.
Which firmware version is recommended for optimal performance?
HP recommends using the latest SAS BL Switch firmware available on the HP Support website to ensure compatibility, security, and feature enhancements.
Can I hot-swap the BK764A switch while the system is running?
Yes, the BK764A switch supports hot-swapping, allowing replacement or upgrade without shutting down the HP BladeSystem enclosure.
What external storage solutions are supported by the BK764A switch?
The BK764A switch supports any external SAS storage arrays compatible with SFF-8088 connections, including HP D6000 Disk Enclosures and third-party SAS JBODs.
What are the key performance features of the BK764A switch?
Key features include 6Gb/s full-duplex SAS throughput per port, hardware-based SAS zoning, and scalable port aggregation for high-bandwidth storage fabrics.
Does the BK764A switch support SAS zoning?
Yes, the switch supports hardware-based SAS zoning, allowing administrators to segment, isolate, and control host access to storage devices for enhanced data security.
Are third-party SAS controllers supported?
Third-party SAS controllers are supported provided they comply with the SAS-2 (6Gb/s) standard and are compatible with SFF-8088 port connectivity.
How do I update the BK764A firmware?
Firmware updates can be applied via the HP Onboard Administrator or Intelligent Provisioning using downloaded firmware packages from the HP Support website.
What is the power consumption of each BK764A switch?
Each BK764A switch consumes approximately 29 watts under typical load conditions, as specified in the product technical documentation.
What warranty and support options are available?
HP offers a one-year limited warranty for the BK764A switch with options to extend coverage through HP Care Packs for next-business-day onsite service.
Where can I purchase replacement parts and accessories?
Replacement parts and authorized accessories for the BK764A switch are available through HP authorized resellers and the HP Parts Store online.