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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
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.
| Name: |
638526-B21 |
| Description: | HP BLc VC Flex-10/10D Module Opt |
| Rating: |
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Added to cart 46 times recently |
| Availability: |
In stock - Ready to Ship
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| Warranty: |
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3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Exclusive Bulk Discounts tailored to your order size
Priority Processing with a dedicated account manager
Fast Response: Get your custom quote within 5-10 minutes during business hours (Mon-Fri, 6:00 AM – 6:00 PM PST)
Holiday Bonus: Submissions on holidays receive priority handling the next business day
Shipping:
Payment:
Shipping as per your need
Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
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.
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$5,000,000+ Inventory Delivered By
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638526-B21 Overview
638526-B21 is a high-performance, stackable switch engineered with a robust architecture that supports both Layer 2 and Layer 3 networking, ensuring efficient and reliable data routing. It features flexible power options including redundant and AC power supplies, and is equipped with a variety of Ethernet ports for both uplink and downlink connectivity, designed to meet the needs of modern enterprise environments.
This model is optimized for scalability and enhanced network performance, offering stacking capabilities that allow for increased switching capacity without compromising on speed. Its versatile design and support for advanced features such as POE+ and SFP ports make 638526-B21 ideal for diverse use cases ranging from campus networks to data centers.
What is the price of 638526-B21?
Lowest price of 638526-B21 is $ 0.00. Shop now discounts with bulk quotation for 638526-B21
638526-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 | 55W |
| 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 |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | 638526-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 | N/A |
| Flash Memory | 64 MB |
| Switching Capacity | 128 Gbps |
| Switching Capacity With Stacking | 256 Gbps |
| Product Name | Enterprise Series Stackable Switch 638526-B21 |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 12 inches |
| Weight | 12 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Product Type | Switch | Switch | Switch | Switch | Switch |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 3 | Layer 2 |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Power Consumption | 370 W | 55W | 120W | N/A | N/A |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| Number of Downlink Ports | 48 Ports | 24 Ports | 24 Ports | 48 Ports | 48 Ports |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Combo | Combo |
| Redundant Power Supply Supported | No | Yes | Yes | Yes | No |
| Manufacturer Part Number | SG350X-48P | 638526-B21 | LS-5560-34C-EI | S5732-H48UM2CC | T1600G-52TS(TL-SG2452) |
| Uplink Configuration | 1G | 10G | 10G | 1G | 1G |
| IOS | LAN Base | IP Services | IP Lite | IP Services | LAN Lite |
| POE Support | POE+ | POE+ | POE | POE+ | Non POE |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 64 MB |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Port/Expansion Slot Details | 48 x 10/100/1000 PoE+ ports; 4 x 1G SFP uplink ports | N/A | 34 Copper Ports, 4 SFP Ports | N/A | 48 RJ45 ports and 4 SFP slots |
| Flash Memory | 64 MB | 64 MB | 256 MB | 64 MB | 32 MB |
| Switching Capacity | 104 Gbps | 128 Gbps | 108 Gbps | 128 Gbps | 104 Gbps |
| Switching Capacity with Stacking | 208 Gbps | 256 Gbps | 216 Gbps | 256 Gbps | N/A |
| Product Name | Cisco SG350X-48P Stackable Managed Switch | Enterprise Series Stackable Switch 638526-B21 | LS-5560-34C-EI Enterprise Managed Gigabit Switch | S5732-H48UM2CC 48-Port Managed Gigabit Rack Switch | T1600G-52TS(TL-SG2452) |
| Height | 1.73 inches | 1.75 inches | 1.75 inches | 1.73 inches | N/A |
| Width | 17.3 inches | 17.5 inches | 17.5 inches | 17.5 inches | N/A |
| Depth | 11.1 inches | 12 inches | 15 inches | 15 inches | N/A |
| Weight | 28 lbs | 12 lbs | 15 lbs | 12 lbs | N/A |
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