HPE 10GbE Pass-Thru Module II 16-Port SFP+ 854194-B21

REFURBISHED. EXCELLENT CONDITION. 90 DAY CCS WARRANTY INCLUDED. AVAILABLE FROM CHICAGO COMPUTER SUPPLY.

Overview

Blade server environments often require direct, low-latency connectivity between compute nodes and external networks. Pass-through modules provide a simple, non-switching solution by creating a direct one-to-one mapping between server NICs and external ports.

The HPE 10GbE Pass-Thru Module II (854194-B21) is designed for c-Class BladeSystem enclosures. It delivers 16 direct connections from server blades to the network, supporting both 1Gb and 10Gb Ethernet with flexible SFP/SFP+ connectivity.

Key Features

• 16 × SFP/SFP+ uplink ports
• Direct one-to-one server-to-network connectivity
• Supports both 1Gb and 10Gb Ethernet per port
• Compatible with optical and DAC cables
• Supports standard Ethernet and Converged Enhanced Ethernet (CEE)
• No switching or configuration required
• Ultra-low latency (~536 ns per port)
• Works with FlexNIC and mezzanine adapters

Technical Specifications

Brand: HPE
Model: 10GbE Pass-Thru Module II
Part Number: 854194-B21
Product Type: Pass-Through Module

Device Type

BladeSystem Pass-Through Networking Module

Ports

16 × SFP/SFP+ uplink ports

Network Technology

• 1Gb Ethernet
• 10Gb Ethernet

Data Transfer Rate

Up to 10 Gbps per port

Bandwidth

320 Gbps total external bandwidth

Latency

~536 ns per port

Connectivity

Wired

Media Support

• Optical fiber (SFP/SFP+)
• Direct Attach Copper (DAC)

Management

No direct management (monitored via Onboard Administrator)

Features

• Auto-negotiation and auto-sensing
• Full-duplex support
• LED status indicators

Power

• 60W maximum
• 12V DC

Environmental

Operating Temperature: 10°C to 35°C
Storage Temperature: -40°C to 70°C
Humidity: 5% to 95% (non-condensing)

Use Cases

The HPE 854194-B21 module is used in blade server environments where direct connectivity is preferred over switching. It is ideal for low-latency applications, dedicated network paths, and environments where external switches handle all network intelligence.

Why Choose HPE 854194-B21

• Provides direct server-to-network connections
• Eliminates switching complexity inside the chassis
• Supports both 1Gb and 10Gb Ethernet
• Ultra-low latency for performance-sensitive workloads
• Flexible connectivity with SFP/SFP+ options
• Compatible with multiple blade NIC configurations
• Reliable refurbished hardware with warranty
• Ideal for controlled and predictable network environments

FAQs

What is the HPE 854194-B21 used for?
It provides direct Ethernet connections between blade servers and external networks.

Does it function as a switch?
No. It is a pass-through module with no switching capability.

How many ports does it provide?
It includes 16 SFP/SFP+ ports.

Does it support both 1Gb and 10Gb?
Yes, it supports both speeds on a per-port basis.

Is management required?
No. It is unmanaged and monitored via the enclosure.

Does it include transceivers?
No. SFP/SFP+ modules are typically sold separately.