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Matthew Doyle
5
20Gb adapter provided solid bandwidth.
700764-B21
HP FLEXFABRIC 20GB 2PORT 650FLB FIO ADAPTER
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Name:
700764-B21
- Description:
- HP FLEXFABRIC 20GB 2PORT 650FLB FIO ADAPTER
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- Condition:
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700764-B21 Overview
700764-B21 is a high-performance NAS storage system designed for demanding enterprise environments. It features 8 drive bays that support mixed drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, and offers a total storage capacity of up to 256 TB with RAID configurations of RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10.
This model is powered by an Intel Xeon processor with 8 cores and comes with 16 GB of pre-installed ECC DDR4 memory that can be upgraded to 32 GB. It provides high-speed connectivity with 10GbE network ports and USB 3.2 interfaces, supports expansion for additional capacity, and is equipped with a redundant power supply rated at 350W and redundant fan cooling. Ideal for SMB backups, enterprise data centers, virtualization, and media server deployments.
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700764-B21 Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 8-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 256 TB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 16 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
- Redundant Fan
- 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
- 700764-B21 Enterprise NAS
- Height
- 1.75 inches
- Width
- 19 inches
- Depth
- 27 inches
- Weight
- 40 lbs
700764-B21 Use Case
Virtualization Performance Optimization with VMware vSphere
In a large enterprise VMware vSphere environment, IT teams install the HP FlexFabric 20Gb 2Port 650FLB FIO Adapter (700764-B21) in ProLiant DL380 servers to consolidate 10GbE vMotion, management, and iSCSI traffic onto dual 20Gb links. This deployment delivers sub-millisecond VM migration latency, doubles throughput versus legacy 10Gb adapters, and reduces physical NIC count by 50%. Benefit: Accelerated VM mobility, simplified cabling, and guaranteed SLA compliance under peak loads.
FCoE SAN Convergence for Enterprise Backup Acceleration
A financial services firm replaces legacy Fibre Channel HBAs with the HP FlexFabric 20Gb 2Port 650FLB FIO Adapter (700764-B21) to run Fibre Channel over Ethernet (FCoE) directly to its SAN. The converged 20Gbps fabric shrinks nightly backup windows by 60%, halves switch port consumption, and unifies storage and LAN cabling. Benefit: Rapid, lossless backups; reduced data center footprint; and streamlined disaster-recovery operations.
High-Bandwidth Data Ingest for AI/ML Clusters
A technology startup deploying GPU-accelerated AI/ML workloads on HPE DL385 servers integrates the HP FlexFabric 20Gb 2Port 650FLB FIO Adapter (700764-B21) for direct, parallel data streams from distributed storage. Hardware offloads cut CPU overhead by 15%, sustaining 18 Gbps per stream and slashing model-training times. Benefit: Faster insights with 25% shorter compute cycles, optimized server utilization, and seamless multi-tenant data access.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 700764-B21 |  BB877A |  BB878A |  BB903A |  BB879A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | SAN | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 12-bay | 12-bay | 24-bay | 24-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 256 TB | 512 TB | 512 TB | 512 TB | 1 PB |
| 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 / RAID 50 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| Installed RAM | 16 GB | 32 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 32 GB | 128 GB | 64 GB | 64 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | Fibre Channel | 10GbE |
| LAN Ports | 2 | 4 | 4 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Active | Active | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 750W | 750W | 750W | 350W |
| 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 | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center |
| Product Name | 700764-B21 Enterprise NAS | BB877A Enterprise SAN Storage System | BB878A Enterprise SAN Storage System | BB903A Enterprise Storage Array | BB879A Enterprise Storage Array |
| Height | 1.75 inches | 3.5 inches | 3.5 inches | 3.5 inches | 3 inches |
| Width | 19 inches | 17 inches | 17.3 inches | 17.5 inches | 17 inches |
| Depth | 27 inches | 28 inches | 29 inches | 28 inches | 27 inches |
| Weight | 40 lbs | 45 lbs | 45 lbs | 45 lbs | 45 lbs |
Reviews & Ratings
S
Salman Farooq
4
Good performance for virtualization.
N
Nils Andersson
5
Installed cleanly.
P
Pekka Rinne
3
Reliable connectivity.
J
Jason Ward
4
Works as expected.
Questions & Answers
What is the HP FlexFabric 20Gb 2-port 650FLB FIO Adapter (SKU: 700764-B21)?
The HP FlexFabric 20Gb 2-port 650FLB FIO Adapter (700764-B21) is a dual-port converged network adapter delivering up to 20Gbps per port with full offloads for Ethernet, FCoE and iSCSI storage protocols.
What are the key features of the HP FlexFabric 650FLB adapter?
Key features include dual 20Gbps ports, Fibre Channel over Ethernet (FCoE) and iSCSI offloads, RDMA support, virtualization acceleration and compatibility with HPE OneView management.
Which HPE servers are compatible with the HP FlexFabric 20Gb 650FLB adapter?
This adapter is compatible with HPE ProLiant Gen8 and Gen9 servers, HPE Synergy compute modules and select HPE BladeSystem c-Class servers.
What data throughput and performance can I expect from this adapter?
The adapter provides up to 20Gbps line rate per port, hardware offloads for low CPU utilization and sub-microsecond latency, ensuring consistent high-performance connectivity.