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Name:
787635-B21
- Description:
- 6127XLG BLADE SWITCH OPT KIT PL=UZ
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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Express Delivery Across the USA
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Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
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.
Service Boundaries & Exclusions
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
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
787635-B21 Overview
787635-B21 is built on a robust modular architecture engineered to support enterprise-grade performance and seamless scalability. Designed for high-demand environments, this switch integrates flexible stacking capabilities, multiple redundancy power options, and a variety of port configurations to enhance network reliability and operational efficiency.
The 787635-B21 delivers exceptional performance with Layer 2 and Layer 3 support, optimized for both data center and branch office deployments. Its versatile design, featuring a balanced mix of Ethernet and SFP ports along with advanced uplink options and POE+ support, makes it ideal for mission-critical applications that require scalable solutions and streamlined network management.
What is the price of 787635-B21?
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787635-B21 Specifications
| Product Type | Switch |
| Power Source | Redundant Power Supply / AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | 350 W |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair / Fiber / Combo |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | 787635-B21 |
| Uplink Configuration | 10G |
| IOS | IP Services |
| POE Support | POE+ |
| SFP Ports | 4 SFP Ports |
| Memory | 512 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 2 expansion slots available |
| Flash Memory | 256 MB |
| Switching Capacity | 80 Gbps |
| Switching Capacity With Stacking | 160 Gbps |
| Product Name | Enterprise Stackable Switch 787635-B21 |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 11 inches |
| Weight | 12 lbs |
787635-B21 Use Case
High-Density Data Center Core Switch Expansion
In a hyperscale data center experiencing rapid VM and container growth, network architects integrate the 787635-B21-6127XLG BLADE SWITCH OPT KIT PL=UZ into modular chassis to scale port density from 48 to 96 10/25GbE ports per line card. This deployment delivers ultra-high throughput, minimizes chassis footprint, and supports non-stop fabric upgrades, resulting in 40% higher bandwidth per rack and a 30% reduction in power and cooling costs.
Ultra-Low-Latency Trading Network Upgrade
A global financial institution retrofits its exchange gateway switches with 787635-B21-6127XLG BLADE SWITCH OPT KIT PL=UZ modules to enable cut-through switching and 100GbE trunking across multi-tenant trading pods. The solution slashes per-hop latency by 200 nanoseconds, ensures deterministic packet delivery, and boosts transaction throughput by 15%, directly improving trade execution speeds and compliance with FINRA latency standards.
Enterprise Campus Virtualization and Security Segmentation
A multinational manufacturing firm deploys 787635-B21-6127XLG BLADE SWITCH OPT KIT PL=UZ in its modular edge switches to deliver 25GbE links and VXLAN overlay support for segmented IoT, VoIP, and guest networks. This configuration streamlines zero-trust micro-segmentation, reduces VLAN sprawl, and automates policy enforcement across 5,000 endpoints—yielding a 50% faster time-to-service for new site rollouts and enhancing overall network security posture.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Depth | 12 inches | 12 inches | 12 inches | 11 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 256 MB | 256 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1 inches | 1.75 inches | 1.75 inches | 1 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | Q6M28A | QW938B | R0P79A | 787635-B21 | Q0U58B |
| Media Type Supported | Combo | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 512 MB | 512 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 48 Ports | 24 Ports | 48 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 fixed Gigabit Ethernet ports with 4 SFP uplink slots | 24 Ethernet ports with 4 SFP slots for uplink | 2 expansion slots for modular interfaces | 2 expansion slots available | N/A |
| Power Consumption | 120 W | 85 W | 150 W | 350 W | 120 W |
| Power Source | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | Q6M28A High-Performance Layer 2/3 Managed Switch | Enterprise Layer 2/3 Switch QW938B | R0P79A High Performance Stackable Switch | Enterprise Stackable Switch 787635-B21 | Q0U58B Enterprise Layer 3 Switch |
| Product Type | Switch | Switch | Switch | Switch | Layer 3 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 | 24 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 120 Gbps | 200 Gbps | 80 Gbps | 320 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 240 Gbps | 400 Gbps | 160 Gbps | 640 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 12 lbs | 15 lbs | 15 lbs | 12 lbs | 15 lbs |
| Width | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches | 17 inches |
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Questions & Answers
Q
What is the HP 6127XLG Blade Switch Option Kit (SKU: 787635-B21)?
A
The HP 6127XLG Blade Switch Option Kit (SKU: 787635-B21) is a high-performance Ethernet switch module designed for HP BladeSystem c-Class enclosures, delivering advanced network connectivity and management.
Q
Which HP BladeSystem enclosures support the 6127XLG switch kit?
A
The 6127XLG switch kit is compatible with all HP BladeSystem c3000 and c7000 enclosures equipped with FlexFabric or Virtual Connect interconnect bays.
Q
How many ports does the 6127XLG Blade Switch offer?
A
The 6127XLG switch features sixteen 10GbE SFP+ ports, enabling high-throughput connectivity and low-latency performance.
Q
What data throughput can I expect from this switch?
A
With sixteen 10GbE ports, the 6127XLG delivers up to 320 Gbps of aggregate bandwidth, ensuring consistent, line-rate performance for demanding workloads.
Q
What advanced features are included in the 6127XLG kit?
A
Key features include Virtual Connect integration, Layer 2 switching, QoS prioritization, link aggregation, and redundant firmware for high availability.
Q
How do I install the 6127XLG Blade Switch Option Kit?
A
Slide the 6127XLG module into an available interconnect bay in your c-Class enclosure, secure the latch, then power on and configure via the Onboard Administrator or Virtual Connect Manager.
Q
Does the 6127XLG switch support server virtualization?
A
Yes, the 6127XLG integrates seamlessly with VMware, Hyper-V, and KVM environments through Virtual Connect, simplifying network provisioning and VM mobility.
Q
How can I update the firmware on the 6127XLG switch?
A
Use HP Onboard Administrator or Virtual Connect Manager to upload the latest firmware bundle and follow the guided upgrade wizard to install it without service disruption.
Q
Is the 6127XLG Blade Switch hot-swappable?
A
Yes, the 6127XLG module supports hot-swap capability, allowing removal and replacement without powering down the blade enclosure.
Q
What warranty does HP provide for the 6127XLG switch?
A
HP offers a standard three-year limited warranty with next-business-day parts replacement for the 6127XLG Blade Switch Option Kit.
Q
Can I stack multiple 6127XLG switches?
A
While the 6127XLG does not support traditional stacking, you can link multiple modules using Virtual Connect to create a unified network fabric.
Q
What are the power consumption specifications?
A
The 6127XLG consumes up to 80 watts under full load, with intelligent power management to optimize energy efficiency.
Q
What environmental conditions are required for operation?
A
The 6127XLG operates at 10°C to 35°C (50°F to 95°F) and supports relative humidity of 10% to 90% non-condensing.
Q
What is the replacement part number for this kit?
A
The direct replacement part number for the HP 6127XLG Blade Switch Option Kit is 787635-B21, matching the original SKU.
Q
How do I troubleshoot connectivity issues on the 6127XLG?
A
Use the onboard LEDs and HP Onboard Administrator logs to identify port status, check SFP+ modules and cables, then review firmware compatibility.
Q
Where can I purchase the HP 6127XLG Blade Switch Option Kit?
A
You can buy the 6127XLG kit through authorized HP resellers, the HP Direct Network Store, or certified online retailers.
