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866464-B21
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- ETH 1GB 2P 368FLR-MMT ADAPTER PL-4Q
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
866464-B21 Overview
866464-B21 is a high-performance SAN storage system engineered for enterprise data centers and virtualization environments. It features a 12-bay design supporting Mixed drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, and delivers a total storage capacity of up to 512 TB. The system supports multiple RAID levels such as RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 to ensure data redundancy and high performance.
Equipped with an Intel Xeon processor featuring 8 cores and pre-installed 16 GB of ECC DDR4 memory (expandable up to 64 GB), the 866464-B21 offers robust processing power. It includes 10GbE network capabilities with 4 LAN ports, USB 3.2 connectivity, and expansion support to meet growing storage needs. The system is built with redundant cooling fans and power supplies rated at 750W, making it ideally suited for SMB backup, enterprise applications, virtualization, and media server use cases.
What is the price of 866464-B21?
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866464-B21 Specifications
| Product Type | Storage System |
| Storage Type | SAN |
| Form Factor | Rackmount |
| Bay Count | 12-bay |
| Supported Drive Types | Mixed |
| Hot-Swap Support | Yes |
| Max Supported Capacity | 512 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 | 64 GB |
| RAM Type | ECC DDR4 |
| Network Ports | 10GbE |
| LAN Ports | 4 |
| USB Ports | USB 3.2 |
| Expansion Support | Yes |
| Cooling | Redundant Fan |
| Power Supply | Redundant |
| Power Supply Wattage | 750W |
| Operating System | Custom OS |
| Snapshot Support | Yes |
| Cloud Sync Support | Yes |
| Virtualization Ready | Yes |
| ISCSI Support | Yes |
| Surveillance Support | No |
| Use Case | Enterprise Data Center |
| Product Name | 866464-B21 Enterprise SAN Storage |
| Height | 3.5 inches |
| Width | 17.5 inches |
| Depth | 28 inches |
| Weight | 50 lbs |
866464-B21 Use Case
High-Density Virtualization Networking with HPE 866464-B21 Ethernet Adapter
In enterprise virtualization clusters on HPE ProLiant servers, the HPE 866464-B21 Ethernet Adapter (1GB, 2-port, 368FLR-MMT) delivers FLR-based connectivity for VMware and Hyper-V environments. It enables dual-1Gb NIC teaming for 2Gb aggregated bandwidth, hardware offload and failover resilience. Benefit: maximized VM density, eliminated network bottlenecks and simplified cabling for scalable, high-performance virtualization.
Resilient Branch-Office Connectivity using HPE 866464-B21 1GbE Adapter
In SMB branch offices running HPE ProLiant DL360 servers, the 866464-B21 1GB 2P 368FLR-MMT Adapter ensures uninterrupted network access for ERP, VoIP and collaboration tools. Dual-port design supports active/passive failover and VLAN segmentation to isolate management and data traffic. Benefit: enhanced business continuity, improved network security and zero-slack uptime for distributed workforces.
Real-Time IoT Edge Data Aggregation with HPE 866464-B21 Adapter
Edge computing nodes in manufacturing and logistics deploy the HPE 866464-B21 Ethernet Adapter to guarantee low-latency, reliable 1GbE links for IoT sensor data ingestion. The 368FLR-MMT form factor preserves PCIe slots for GPU or NVMe expansion while offering hardware-accelerated checksums and flow control. Outcome: real-time analytics, rapid anomaly detection and streamlined edge-to-cloud data pipelines.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Bay Count | 4-bay | 12-bay | 12-bay | 24-bay | 12-bay |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Active | Redundant Fan | Redundant Fan |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| Depth | 24 inches | 28.5 inches | 19 inches | 28 inches | 28 inches |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Height | 3.5 inches | 3.5 inches | 3 inches | 5.25 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 4 | 2 | 2 | 4 |
| Max RAM Capacity | 64 GB | 64 GB | 64 GB | 64 GB | 64 GB |
| Max Supported Capacity | 512 TB | 512 TB | 512 TB | 512 TB | 512 TB |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 750W | 500W | 500W | 750W |
| Product Name | 694033-B21 Enterprise NAS Storage Server | 766490-B21 High-Performance SAN Storage System | 766491-B21 Storage System | BB916A High-Performance SAN Storage System | 866464-B21 Enterprise SAN Storage |
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| RAID Support | RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 | RAID 0 / RAID 1 / RAID 5 / 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 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Storage Type | NAS | SAN | NAS | SAN | SAN |
| Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Surveillance Support | Yes | No | Yes | No | No |
| USB Ports | USB 3.1 | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 |
| Use Case | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 35 lbs | 35 lbs | 30 lbs | 45 lbs | 50 lbs |
| Width | 17.3 inches | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the HP 866464-B21 Ethernet 1Gb 2-Port 368FLR-MMT Adapter PL-4Q?
A
The HP 866464-B21 is a half-height FLR mezzanine adapter for HPE ProLiant blade servers offering two 1 Gb Ethernet ports with HP Flex-10 technology and four FlexNIC partitions per port for advanced virtualization and traffic segmentation.
Q
Which HPE ProLiant servers are compatible with the 866464-B21 adapter?
A
The adapter is compatible with HPE BladeSystem c7000 and c3000 enclosures populated with ProLiant BL460c Gen8/Gen9 blades, installed in a supported FLR mezzanine slot.
Q
How many ports and what bandwidth does the 866464-B21 support?
A
It provides two 1 Gb RJ-45 Ethernet ports with aggregate bandwidth up to 2 Gbps, supporting IEEE 802.3x flow control and jumbo frames up to 9 000 bytes.
Q
Does the 866464-B21 adapter support virtualization features?
A
Yes. It leverages HP Flex-10 technology to create up to four FlexNICs per physical port, enabling network partitioning, traffic isolation and optimized VM performance.
Q
Which operating systems are supported by the 866464-B21 adapter?
A
Supported OS include Microsoft Windows Server 2012/2016/2019, Red Hat Enterprise Linux, CentOS, SUSE Linux Enterprise Server, VMware ESXi 6.x/7.x and other Linux distributions with HPE drivers.
Q
What interface type does the 866464-B21 use?
A
It uses a Full-Length Riser (FLR) mezzanine connector designed for HPE BladeSystem c7000 and c3000 enclosures.
Q
How do I install the 866464-B21 adapter?
A
Power off the server, insert the adapter into a supported FLR slot, secure it, power on the server, then install the latest HPE NIC driver and firmware via Service Pack for ProLiant.
Q
How can I update the firmware and drivers for this adapter?
A
Download the latest firmware and drivers from the HPE Support Center, then update using HPE Service Pack for ProLiant, Onboard Administrator or HPE System Insight Manager.
Q
Does the 866464-B21 support jumbo frames and flow control?
A
Yes. It supports Ethernet jumbo frames up to 9 000 bytes and IEEE 802.3x flow control for improved throughput and reliability in high-performance networks.
Q
Can I use the adapter for iSCSI boot or SAN connectivity?
A
Yes. It supports iSCSI offload and boot capabilities when configured with HPE iSCSI Boot Firmware, enabling direct SAN connectivity over Ethernet.
Q
What is the power consumption of the HP 866464-B21 adapter?
A
Typical power consumption is under 5 W, ensuring energy efficiency and minimal thermal impact within blade server environments.
Q
What warranty is included with the 866464-B21 adapter?
A
The adapter includes an HPE limited 3-year parts, labor and on-site warranty, subject to HPE’s standard warranty terms and conditions.
Q
How do I troubleshoot network connectivity issues on this adapter?
A
Verify link/activity LEDs, update drivers and firmware, check switch port configuration and review logs in HPE Onboard Administrator for diagnostic details.
Q
Can I integrate the 866464-B21 adapter with HPE Virtual Connect?
A
Yes. It is fully supported by HPE Virtual Connect modules, simplifying network management and enabling dynamic provisioning for blade server environments.
Q
Where can I download documentation and drivers for the 866464-B21 adapter?
A
Visit the HPE Support Center at support.hpe.com, search for SKU 866464-B21 and download the latest product manuals, driver packs and firmware bundles.
Q
What are common use cases for the HP 866464-B21 adapter?
A
Ideal for virtualization, cloud computing and SMB environments requiring flexible NIC partitioning, iSCSI boot or high-density blade server networking.
