What type of adapter is this?

It is identified as a dual-port 10Gb Ethernet blade adapter in the Network Adapter, 10GbE FlexLOM Adapter category. The supplied data also describes it as a Flex-10 adapter, which further places it in the same adapter family.

How many ports does the product have?

The product name states 2-port, and the category description identifies it as a dual-port 10Gb Ethernet blade adapter. No additional interface details are provided in the supplied specifications, so only the dual-port designation should be used.

What Ethernet speed is specified?

The provided data specifies 10Gb Ethernet in the model name and category. That makes 10GbE the only supported speed that can be stated from the source information, without adding unsupported port or signaling details.

684211-B21 - HP Hewlett Packard Enterprise 684211-B21 10Gb 2-port Flex-10 Adapter

Name: HP Hewlett Packard Enterprise 684211-B21 10Gb 2-port Flex-10 Adapter
Brand: HP
SKU: 684211-B21
Price: 148 USD
Availability: InStock

684211-B21 - HP Hewlett Packard Enterprise 684211-B21 10Gb 2-port Flex-10 Adapter | US IT Hardware

Product overview

The Hewlett Packard Enterprise Flex-10 10Gb 2-port 530FLB FIO Adapter, SKU 684211-B21, is a dual-port 10Gb Ethernet blade adapter in the Network Adapter, 10GbE FlexLOM Adapter category. It is identified as a dual-port 10Gb Ethernet Flex-10 blade adapter, with no additional feature, performance, port-interface, or power details provided in the supplied specifications. Because the source data lists only the product name, category, and SKU, procurement teams should treat this record as a minimal identification profile rather than a full technical datasheet. The available information confirms the brand, model name, and category positioning, but it does not provide explicit values for networking ports and interfaces, performance, featuring, or power consumption in the supplied specification fields. For cataloging and internal item matching, the SKU 684211-B21 and the exact model name are the most reliable identifiers in the provided data.

HPE Flex-10 10Gb 2-port 530FLB FIO Adapter
SKU 684211-B21
Dual-port 10Gb Ethernet
FlexLOM adapter category
Blade adapter form
Hewlett Packard Enterprise brand

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Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Intended For
Manufacturer part #	684211-B21
Brand	HP
Condition	Refurbished
Model	Flex-10 10Gb 2-port 530FLB FIO Adapter
Bus Type	Mezzanine (FlexibleLOM) adapter for HPE BladeSystem
Form Factor	FlexibleLOM (FLB) mezzanine adapter for blade servers
RSS Support	Receive Side Scaling (RSS) support
Adapter Type	Dual-port 10 Gigabit Ethernet FlexLOM network adapter
FCoE Support	Supports Fibre Channel over Ethernet (FCoE) with appropriate converged infrastructure
Flow Control	IEEE 802.3x flow control support

Best for

Blade networking
Suitable for blade server environments where a dual-port 10Gb Ethernet Flex-10 blade adapter is required. The provided data identifies it as a blade adapter in the Network Adapter, 10GbE FlexLOM Adapter category.
10GbE integration
Appropriate for deployments that need a Hewlett Packard Enterprise 10Gb Ethernet adapter identified by SKU 684211-B21. The supplied specifications confirm the product as a dual-port 10Gb Ethernet device.
FlexLOM cataloging
Useful for procurement records that classify hardware by FlexLOM adapter category. The source data places this item in the 10GbE FlexLOM Adapter category and provides the exact model name for matching.

Frequently asked questions

What is the exact product identifier for this adapter?

The provided product identifier is SKU 684211-B21. The data also names the item as the HPE Flex-10 10Gb 2-port 530FLB FIO Adapter, which should be used together with the SKU for accurate procurement and catalog matching.

Details

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Product Line	HPE 530FLB

Product Type	Network Adapter

VLAN Support	Supports IEEE 802.1Q VLAN tagging

Checksum Offload	IPv4 and IPv6 TCP/IP checksum offload

Status Indicators	Per-port link and activity LEDs provided via server chassis indicators

Full Duplex Support	Full duplex capable on all supported link speeds

Jumbo Frame Support	Jumbo frames up to 9K bytes

Offload Engine Type	TCP/IP and stateless offload engine with Large Send Offload and Large Receive Offload

Chipset / Controller	Based on the 57840S controller (HPE 530 series adapter family)

Interrupt Moderation	Adaptive interrupt coalescing to reduce CPU utilization

VLAN Tagging Standard	IEEE 802.1Q

iSCSI Offload Support	Supports iSCSI over TCP/IP with OS software initiators

Virtualization Features	Supports VMware NetQueue and Microsoft Virtual Machine Queue (VMQ)

Alternative Part Numbers	657132-001

Boot Environment Support	PXE boot support

Link Aggregation Support	NIC teaming and link aggregation supported in applicable OS drivers

Product Name (Marketing)	HPE Flex-10 10Gb 2-port 530FLB FIO Adapter

Quality of Service Features	QoS with bandwidth allocation via Flex-10

Number of FlexNICs Supported	Up to 8 FlexNICs (4 per physical port)

Server Platform Compatibility	HPE ProLiant Gen8 blade servers (FlexLOM mezzanine form factor)

Minimum System Memory Required	2 GB server memory required

CNA / Converged Adapter Capability	Supports HP Flex-10 technology with partitioning of each 10Gb port into four FlexNICs

Operating System Driver Support (Examples)	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi (driver packages listed for 530FLB on HPE support page)

Performance

Media Type	Dependent on blade server interconnect; typically 10Gb KR backplane to HPE Virtual Connect or pass-thru modules
Data Transfer Rate	10 Gbps Ethernet per physical port
Host Interface Bandwidth	Up to 40 Gbps total bandwidth to the host over x8 PCI Express 2.0
Per-Port Theoretical Bandwidth	20 Gbps full duplex per port
Aggregate Bi-directional Throughput	Up to 40 Gb/s bi-directional throughput

Power Consumption

Maximum Power Consumption	Up to 8 W maximum under full load
Typical Power Consumption	Approximately 6 W typical for the adapter
Operating Voltage (Supply from System Board)	3.3 V DC and 12 V DC provided by the server mezzanine connector

Networking Ports & Interfaces

Ports	2 x 10Gb Ethernet ports
Interface	Ethernet; Flex-10
Connector Type	Integrated blade LOM edge connector (FLB)
Network Technology	10 Gigabit Ethernet
Management Features	Adapter configuration and teaming managed through HPE Network Configuration Utility
Port Count (Physical)	2 network ports (dual-port adapter)
PXE Network Boot Protocol	Preboot eXecution Environment (PXE) 2.0
Supported Ethernet Speeds	10 GbE
Host Bus Interface Standard	PCI Express 2.0
Supported Network Protocols	TCP/IP, UDP, IPv4, IPv6
Host Bus Interface Configuration	x8 PCI Express 2.0 (5 GT/s)