United States
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
658250-B21
Original Stock
Ready to Ship
HP 6125G/XG BLADE SWITCH OPT KIT
FEATURED DEAL
Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
658250-B21
- Description:
- HP 6125G/XG BLADE SWITCH OPT KIT
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 90
- List Price:
$555.00
- Price:
$470.0015.3% off
Quantity:
1
100% Genuine Guaranteed
Global Delivery
Business Terms / PO Accepted
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
4Global Offices
25+Distribution Points
100+Countries Served
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
- RegisteredCAGE CODE: 97UU8
- VerifiedD-U-N-S® #: 118879150
- ListedUEI: VFVEQ7Q9LH31
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
10+Years Operating
20,000+Clients Served
150K+SKUs Available
658250-B21 Overview
658250-B21 is a robust, high-performance network switch engineered for scalable enterprise applications. It features a versatile architecture that supports both Layer 2 and Layer 3 operations, with flexible power options including standard AC power supply and redundant configurations to meet mission-critical uptime requirements.
This switch delivers a comprehensive port design with 24 Ethernet ports complemented by 4 SFP uplink slots, enabling efficient stacking and outstanding throughput performance. Ideal for campus networks, data center aggregation, and other demanding environments, 658250-B21 offers exceptional scalability, reliability, and high-speed connectivity.
658250-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 658250-B21 for additional pricing. Browse the full Hpe Storage Network Switches series or explore all Hpe products.
658250-B21 Specifications
- Product Type
- Switch
- Brand
- Hpe
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 75 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- 658250-B21
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 x 10/100/1000 Ethernet ports with 4 SFP uplink slots
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- Enterprise Stackable Managed Switch 658250-B21
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 11 inches
- Weight
- 15 lbs
658250-B21 Use Case
Enterprise Virtualization Network Consolidation with 658250-B21-HP 6125G/XG Blade Switch Option Kit
In a large enterprise data center running VMware vSphere and Microsoft Hyper-V, integrating the 658250-B21-HP 6125G/XG Blade Switch Option Kit into HP c-Class blade chassis consolidates multiple 10/25/40 GbE uplinks into a unified fabric. The result: 40% higher aggregate throughput, 30% lower east-west VM latency, and centralized provisioning via HP OneView, driving faster VM deployments and streamlined operations.
High-Performance Computing Cluster Interconnect for Sub-Microsecond Latency
A scientific research facility deploying GPU-accelerated simulation workloads upgrades its HP BladeSystem with the 658250-B21-HP 6125G/XG Blade Switch Option Kit to deliver 10/40 GbE connectivity optimized for MPI traffic. This low-latency interconnect achieves sub-microsecond hop times and 200 Gbps bisection bandwidth, reducing job runtimes by 35% and accelerating time-to-insight for compute-intensive projects.
Scalable Campus Core Networking for Large-Scale IoT and Multimedia
A multi-campus university must support thousands of IoT sensors, 4K lecture streams, and VoIP endpoints with minimal downtime. By deploying the 658250-B21-HP 6125G/XG Blade Switch Option Kit as the campus core in HP blade chassis, the IT team achieves modular 10/25/40 GbE expansion, 99.99% network availability, and 20% lower CapEx through port consolidation, ensuring seamless connectivity and easy segmentation.
Speak To a Hardware Specialist in Your Region
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
Product Comparison Table 
| 658250-B21 |  R0P81A |  Q6M28A |  C8R42A |  QK754C | |
|---|---|---|---|---|---|
| Depth | 11 inches | 12 inches | 12 inches | 11 inches | 12 in |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1 inch | 1.75 in |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 658250-B21 | R0P81A | Q6M28A | C8R42A | QK754C |
| Media Type Supported | Combo | Combo | Combo | Combo | Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | 24 x 10/100/1000 Ethernet ports with 4 SFP uplink slots | 24 fixed Ethernet ports and 4 dedicated SFP uplink slots | 24 fixed Gigabit Ethernet ports with 4 SFP uplink slots | 24 Ethernet ports with 4 SFP uplink slots | 4 x 10G SFP+ uplink slots, 24 x 10/100/1000 Ethernet ports |
| Power Source | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Enterprise Stackable Managed Switch 658250-B21 | R0P81A High-Performance Stackable Switch | Q6M28A High-Performance Layer 2/3 Managed Switch | C8R42A Advanced Managed Switch | QK754C Enterprise Stackable Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 128 Gbps | 128 Gbps | 256 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 256 Gbps | 256 Gbps | 512 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 15 lbs | 15 lbs | 12 lbs | 12 lbs | 6 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.6 inches | 17.5 in |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
O
Oliver Stanton
4
Switch kit performed reliably with both 1Gb and 10Gb connections.
H
Henry Foster
4
Straightforward deployment in our BladeSystem.
V
Victor Nolan
5
Consistent throughput across blades.
A
Andrew Porter
4
Good balance of performance and usability.
J
Julian Wright
5
Dependable blade switching solution.
Questions & Answers
What is the HP 6125G/XG Blade Switch Option Kit (SKU: 658250-B21)?
The HP 6125G/XG Blade Switch Option Kit (658250-B21) is a modular network switch designed for HP ProLiant BL blade servers, offering fixed 10GbE and Gigabit Ethernet ports to optimize data center connectivity.
Which HP blade server chassis is the 6125G/XG switch compatible with?
The HP 6125G/XG switch is compatible with HP BladeSystem c-Class enclosures, including c7000 and c3000 chassis loaded with ProLiant BL servers.
How many ports and what speeds does the HP 6125G/XG provide?
The switch delivers eight fixed 10GbE X2 uplink ports plus sixteen fixed 1GbE RJ-45 downlink ports, enabling high-throughput connectivity for blade servers.
Can the HP 6125G/XG switch support both copper and fiber cabling?
Yes, the X2 uplink ports support multimode and single-mode fiber transceivers, while the RJ-45 downlinks support standard copper Ethernet connections.
What management interfaces are available on the HP 6125G/XG?
You can configure and monitor the switch via an embedded web GUI, CLI over serial or SSH, and SNMP v1/v2c/v3 for centralized network management.
Does the 6125G/XG switch support advanced network features like VLANs and QoS?
Yes, it supports up to 4,094 VLANs, port-based VLAN tagging, and robust QoS with eight priority queues to ensure traffic prioritization.
How do I install the HP 6125G/XG Blade Switch in my enclosure?
Slide the switch module into the designated interconnect bay of a powered-off c-Class chassis, secure the latch, then power on the chassis to auto-detect the switch.
Can I stack or daisy-chain multiple HP 6125G/XG switches?
No, the 6125G/XG is designed for single-chassis deployment and does not support stacking; use HP Virtual Connect or external stacking solutions for multi-chassis scaling.
Is the firmware on the HP 6125G/XG upgradable?
Yes, firmware updates can be applied through the web interface, CLI, or HP Onboard Administrator to ensure you have the latest features and security patches.
What security features are built into the HP 6125G/XG?
The switch provides ACL-based packet filtering, RADIUS/TACACS+ authentication, SSH v2, SSL, and secure SNMP to safeguard management access and data traffic.
How does the HP 6125G/XG improve network performance?
By offering 10GbE uplinks, non-blocking switching fabric, and hardware-based QoS, it reduces latency, boosts throughput, and prioritizes mission-critical traffic.
What are the power and cooling requirements for the 6125G/XG?
The switch consumes up to 75 W under full load and relies on the chassis’s shared power and cooling infrastructure to maintain optimal operating temperatures.
How can I troubleshoot common issues with the HP 6125G/XG?
Verify firmware versions, check LED status for port/link activity, review switch logs via CLI, and ensure proper transceiver compatibility to resolve typical faults.
What warranty and support does HPE offer for this switch option kit?
HPE provides a three-year limited warranty with next-business-day parts replacement and optional ProCare support services for faster response and coverage.
Where can I buy replacement modules or additional transceivers for the 6125G/XG?
Genuine HPE replacement modules and transceivers are available through HPE authorized resellers, the HPE Parts Store, or official HPE distribution channels.
Does the HP 6125G/XG support link aggregation and network redundancy?
Yes, it supports up to eight LACP-based link aggregation groups and features spanning tree protocol (STP/RSTP/MSTP) for network resilience.