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546SFP+ adapter provided stable 10Gb links.
779793-B21
HPE Ethernet 10G 2-port 546SFP+ Adptr
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779793-B21
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- HPE Ethernet 10G 2-port 546SFP+ Adptr
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779793-B21 Overview
779793-B21 is a high-performance NAS system featuring 12 drive bays that support SATA HDD, SAS HDD, and SATA SSD configurations with a total storage capacity of up to 96 TB. It supports RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, is powered by an Intel Xeon processor with 8 cores, and comes with 8 GB of ECC DDR4 memory pre-installed, expandable up to 32 GB.
779793-B21 is equipped with advanced interface options including USB 3.2 and a 10GbE network port with 2 LAN ports, along with expansion support, active cooling, and a redundant power supply rated at 350W. Its design is ideally suited for use cases such as SMB backup, enterprise data centers, virtualization, and media server deployments.
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779793-B21 Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 12-bay
- Supported Drive Types
- SATA HDD / SAS HDD / SATA SSD
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 96 TB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 8 GB
- Max RAM Capacity
- 32 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 2
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Active
- Power Supply
- Redundant
- Power Supply Wattage
- 350W
- Operating System
- Custom OS
- Snapshot Support
- Yes
- Cloud Sync Support
- Yes
- Virtualization Ready
- Yes
- iSCSI Support
- Yes
- Surveillance Support
- No
- Use Case
- SMB / Enterprise Data Center / Media Server / Virtualization
- Product Name
- 779793-B21 Enterprise NAS System
- Height
- 4.5 inches
- Width
- 17.2 inches
- Depth
- 16.1 inches
- Weight
- 35 lbs
779793-B21 Use Case
Data Center Uplink Consolidation with HPE Ethernet 10G 2-port 546SFP+ Adapter
In enterprise data centers, IT teams deploy the 779793-B21 HPE Ethernet 10G 2-port 546SFP+ Adapter to aggregate multiple 1GbE server links into dual 10GbE uplinks. This streamlined topology delivers up to 20 Gbps full-duplex bandwidth, reduces cabling complexity by 60%, and slashes latency for virtualized workloads and database clusters.
Optimized VMware ESXi Host Connectivity for High-Density Virtualization
When scaling VMware vSphere farms, system architects install the HPE 779793-B21 Ethernet 10G 2-port 546SFP+ Adapter on ESXi hosts to handle east-west VM traffic. The dual 10GbE SFP+ ports offload TCP/IP processing, boosting VM migration throughput by 40% and lowering CPU utilization, which maximizes consolidation ratios and operational efficiency.
Accelerated SAN Performance with 10GbE HPE 546SFP+ Adapter
Storage administrators integrate the 779793-B21 HPE Ethernet 10G 2-port 546SFP+ Adapter into Fibre Channel over Ethernet (FCoE) or iSCSI networks for high-performance SAN connectivity. Delivering consistent 10 Gbps per port and sub-millisecond latency, this solution accelerates backup/recovery workflows by 30% and simplifies SAN topology for real-time analytics.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 779793-B21 |  BB928A |  866464-B21 |  BB903A |  BB878A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | SAN | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 12-bay | 24-bay | 12-bay | 24-bay | 12-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD | Mixed | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 96 TB | 512 TB | 512 TB | 512 TB | 512 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| Installed RAM | 8 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 32 GB | 128 GB | 64 GB | 64 GB | 64 GB |
| RAM Type | ECC DDR4 | DDR4 | ECC DDR4 | DDR4 | DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | Fibre Channel | 10GbE |
| LAN Ports | 2 | 4 | 4 | 4 | 4 |
| USB Ports | USB 3.2 | USB-C | USB 3.2 | USB 3.0 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Active | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 500W | 750W | 750W | 750W |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | No | No | No | No | No |
| Use Case | SMB / Enterprise Data Center / Media Server / Virtualization | SMB, Enterprise Data Center, Media Server, Virtualization | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server |
| Product Name | 779793-B21 Enterprise NAS System | BB928A | 866464-B21 Enterprise SAN Storage | BB903A Enterprise Storage Array | BB878A Enterprise SAN Storage System |
| Height | 4.5 inches | 3 inches | 3.5 inches | 3.5 inches | 3.5 inches |
| Width | 17.2 inches | 17 inches | 17.5 inches | 17.5 inches | 17.3 inches |
| Depth | 16.1 inches | 28 inches | 28 inches | 28 inches | 29 inches |
| Weight | 35 lbs | 55 lbs | 50 lbs | 45 lbs | 45 lbs |
Reviews & Ratings
S
Shahbaz Ali
4
Works well with SFP+ optics.
T
Tobias Frank
5
Installed easily.
H
Haris Latif
3
Good performance.
P
Paul Newton
4
Satisfied.
Questions & Answers
What is the HPE Ethernet 10G 2-port 546SFP+ Adapter (SKU: 779793-B21)?
The HPE Ethernet 10G 2-port 546SFP+ Adapter is a dual-port SFP+ network card delivering up to 20 Gb/s aggregate throughput for HPE ProLiant servers.
Which HPE servers are compatible with this adapter?
This adapter is compatible with HPE ProLiant Gen8, Gen9, Gen10 and Gen11 servers featuring a PCIe 3.0 x8 expansion slot.
What interface does the 779793-B21 adapter use?
It uses a PCI Express 3.0 x8 interface to provide high-bandwidth connectivity and low latency.
What network speeds does the HPE 546SFP+ support?
Each port supports 10 Gb/s full-duplex speeds, delivering up to 20 Gb/s aggregate throughput.