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Network Switch 25G SFP28 to SFP28 Direct Attach Copper Cable, PVC, up to 5m
Network Switch 25G SFP28 to SFP28 Direct Attach Copper Cable, PVC, up to 5m
Network Switch 25G SFP28 to SFP28 Direct Attach Copper Cable, PVC, up to 5m
İsim:

Network Switch 25G SFP28 to SFP28 Direct Attach Copper Cable, PVC, up to 5m

modeli:
NS-DAC25G30
Detay:
25G SFP28 DAC, passive ≤ 5 m (16 ft), active ≤ 7 m (23 ft)
Fiyat:
$30.00 USD
kullanılabilirlik:
Stokta var Ön sipariş Stoklar tükendi
Koşul:
New
Warranty:
Variants

Length: 0.5m (2ft)

0.5m (2ft)
1m (3ft)
2m (7ft)
3m (10ft)
5m (16ft)

Compatible Brands: Generic

Generic
Cisco
Juniper
Arista
Dell
Extreme
Huawei
Miktar:
Quote | Help
Nakliye:
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Overview
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Features

10Gbps for Campus and Data Center

Engineered for low power consumption, our transceiver modules deliver a reliable and budget-friendly solution for 10Gbps Ethernet connectivity in data centers.

Low Power Consumption for Energy-saving

10G / 25G DAC features ultra-low power consumption to save energy and it simplifies the patching for short distance connectivity when compared to using optics.

25G SFP28 to SFP28 Direct Attach Copper Cable (DAC), Passive, up to 5 m (16 ft)

Overview

The NS 25G SFP28 to SFP28 Direct Attach Copper Cable (DAC) is a low-cost, low-latency solution for 25 Gigabit Ethernet short-reach interconnects. Built with twinax copper cable and integrated SFP28 connectors, it eliminates the need for separate transceivers and patch cords, providing a plug-and-play option for high-speed connections inside racks and across adjacent racks.

The passive version supports lengths up to 5 m (16 ft), consuming virtually no power (< 0.1 W). For applications requiring slightly longer distances, active copper variants can extend reach while keeping power consumption minimal (< 0.5 W). The cable ensures excellent signal integrity and consistent latency performance.

Compatible Brands

The NS 25G SFP28 DAC works seamlessly with devices from Cisco, Huawei, Juniper, Arista, Dell, Extreme and more.

Need to verify your switch or NIC model? [Contact Us Now] and we’ll confirm compatibility.

Key Specifications

Specification Details
Vendor Name Network-Switch (NS)
Product Type 25G SFP28 to SFP28 Direct Attach Copper Cable (DAC)
Data Rate 25 Gbps
Cable Type Twinax Copper, Passive/Active
Max Cable Distance Passive: up to 5 m (16 ft); Active: up to 7 m (23 ft)
Conductor AWG Options 30 AWG (≤ 3 m), 26 AWG (≤ 5 m), 24 AWG (≤ 7 m)
Connector Type SFP28 to SFP28 with integrated latch
Power Consumption Passive < 0.1 W, Active < 0.5 W
Temperature Range 0 °C to 70 °C
Standards Compliance SFP28 MSA (SFF-8402, SFF-8432), IEEE 802.3by, RoHS
Applications 25G ToR/MoR links, NIC-to-switch, switch-to-switch

 

Why Choose NS 25G DAC?

  • Cost-effective: Cheaper than optical transceiver + patch cord solutions.

  • Low latency: Direct copper link with no optical conversion.

  • Energy efficient: Passive designs consume near-zero power.

  • Proven interoperability: Validated with leading vendors’ switches and NICs.

  • Flexible deployment: Passive up to 5 m (16 ft), active up to 7 m (23 ft).

Length Options

Standard stocked lengths:
1 m (3 ft), 2 m (7 ft), 3 m (10 ft), 5 m (16 ft)

Extended (active) lengths:
7 m (23 ft)

More Details

Quality Certifications

Do you have any question about the 25G SFP28 to SFP28 Direct Attach Copper Cable?

Please Chat with us now!

or leave us an message on sales@network-switch.com

Warranty

100% Low Price Guarantee

Network-switch.com provides high-quality products at low wholesale prices

100% Quality Assurance

All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed". They are fully tested by Certified CCIE / HCIE / RCNP Engineers.

Free Technical Support

Our FREE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.

100% Money Back Guarantee

You can contact our customer service team to exchange or return any product that you bought from us.

Standard Warranty Policy

Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year

The Support Contacts

If your products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.

Customer Reviews

Based on 5 reviews
80%
(4)
20%
(1)
0%
(0)
0%
(0)
0%
(0)
J
Jacob Smith6325
Solid purchase

The cables meet expectations. Slight noise, but nothing major. Store handled order smoothly. Fair deal for the price.

E
Emily Moore
Perfect for our needs

The cables integrate well in our network. The store packaging and updates were excellent. Excellent for small business use. Manual could be better organized.

L
Liam Lewis
Tr��s bonne affaire

Excellente performance et PoE stable. Emballage soign��, suivi apr��s livraison appr��ci��. Great for small office networks.

E
Evelyn Green
Highly recommend

Solid performance from these cables. Ordering was easy and everything arrived on time. Excellent for small business use.

L
Layla Wright
Highly recommend

Solid performance from these cables. Ordering was easy and everything arrived on time. Zero downtime so far.

Learn More

Frequently Questions and Answers

Q1. What is a Direct Attach Cable (DAC)?

A: A Direct Attach Cable (DAC) is a high-speed copper cable with transceivers permanently attached at both ends, used for short-distance data transmission between switches, servers, and network devices.

Q2. What data rates are supported by DAC cables?

A: DAC cables support a wide range of data rates, including 10G, 25G, 40G, 100G, 200G, 400G, and 800G, depending on the cable type and connector form factor.

Q3. What are the main advantages of using DAC cables?

A: DAC cables offer low latency, low power consumption, high reliability, and cost-effective short-distance connectivity compared to optical transceivers and fiber cables.

Q4. What is the typical transmission distance for DAC cables?

A: DAC cables are typically used for short distances, usually ranging from 0.5m to 5m, with some configurations supporting up to 7m depending on data rate and cable quality.

Q5. What is the difference between passive and active DAC cables?

A: Passive DAC cables do not require power and are used for very short distances, while active DAC cables include signal conditioning to support longer distances and higher data rates.

Q6. Are DAC cables compatible with Cisco, Juniper, and HPE devices?

A: Yes. These DAC cables are fully compatible with Cisco, Juniper, HPE, and other major networking brands, and are coded to meet MSA and device compatibility standards.

Q7. What connector types are used for DAC cables?

A: DAC cables commonly use SFP+, SFP28, QSFP+, QSFP28, QSFP56, QSFP-DD, QSFP112, or OSFP connectors, depending on the supported data rate.

Q8. What is a DAC breakout cable?

A: A DAC breakout cable allows a single high-speed port to be split into multiple lower-speed ports, enabling flexible port utilization and network scalability.

Q9. What breakout configurations are available for DAC cables?

A: DAC breakout cables support configurations such as 1×2, 1×4, and 1×8, depending on the data rate and switch port capabilities.

Q10. Which data rates support DAC breakout cables?

A: Breakout DAC cables are commonly available for 40G, 100G, 200G, and 400G applications, supporting various fan-out configurations.

Q11. What is a 40G DAC breakout cable used for?

A: A 40G DAC breakout cable is typically used to split one 40G QSFP+ port into four 10G SFP+ ports for server or access-layer connectivity.

Q12. How is a 100G DAC breakout cable commonly configured?

A: A 100G DAC breakout cable is commonly configured as 1×100G to 4×25G or 2×50G, enabling flexible high-density network deployments.

Q13. What breakout options are available for 200G and 400G DAC cables?

A: 200G DAC cables can be configured as 1×200G to 2×100G or 4×50G, while 400G DAC cables support configurations such as 1×400G to 2×200G, 4×100G, or 8×50G.

Q14. Do DAC breakout cables require specific switch support?

A: Yes. The switch or router must support port breakout functionality and be properly configured in software to recognize the breakout ports.

Q15. Can DAC cables be used for top-of-rack (ToR) connections?

A: Yes. DAC cables are widely used for top-of-rack and server-to-switch connections due to their low latency, low power consumption, and cost efficiency.

Q16. Are DAC cables hot-swappable?

A: Yes. DAC cables support hot-swappable installation, allowing them to be connected or replaced without powering down network devices.

Q17. Do DAC cables support Digital Diagnostic Monitoring (DDM)?

A: Yes. Most active DAC cables support DDM, enabling monitoring of temperature, voltage, and signal parameters, while passive DAC cables may offer limited or no diagnostics.

Q18. What are common applications for high-speed DAC cables?

A: DAC cables are commonly used in data centers, cloud computing environments, HPC clusters, AI networks, and enterprise core or access-layer networks.

Q19. Are these DAC cables tested before shipment?

A: Yes. Each DAC cable is individually tested for signal integrity, compatibility, and performance before shipment to ensure reliable operation.

Q20. Can DAC cable length and compatibility be customized?

A: Yes. DAC cables can be customized in length and coded for specific switch or server models upon request.

Q21. What is the difference between DAC and AOC cables?

A: DAC cables use copper conductors for short-distance connections, while AOC cables use optical fiber and are suitable for longer distances with lighter weight and better EMI resistance.

Q22. What warranty is provided for DAC cables?

A: All DAC cables are backed by a standard warranty and professional technical support, ensuring long-term reliability and customer confidence.

Refund Policy

At Network-switch.com, we aim to provide the best customer experience and ensure that your purchases meet your expectations. If for any reason you are not satisfied with your purchase, please read our return and refund policy below to understand your options.

Returns

You have the right to return products purchased from Network-switch.com under the following conditions:

  • Eligibility for Return: Items can be returned within 30 days from the date of delivery, provided that the product is in its original condition, unused, and in the original packaging.
  • Non-returnable Items: Certain items such as personalized or custom-made products, and items marked as non-returnable at the time of purchase, cannot be returned.
  • Return Process: To initiate a return, please contact our customer support team at help@network-switch.com. You will be provided with instructions on how to return the product and obtain a return authorization number if necessary.

Refunds

  • Refund Process: Once we receive your returned item and inspect it, we will process your refund to the original method of payment within 7 business days.
  • Refund Conditions: Refunds will be issued for the purchase price of the item, excluding any shipping, handling, or other additional fees. If the product is returned damaged, used, or missing parts, a partial refund may be issued.

Exchanges

If you would prefer to exchange an item for a different size, color, or model, please follow the same return process. Once we receive the returned product, we will send the replacement at no additional charge, based on availability.

Shipping Costs

  • Return Shipping Fees: You are responsible for paying the return shipping costs unless the item is defective, damaged, or incorrect.
  • Refund for Shipping Costs: Shipping costs are non-refundable, except in the case of defective or incorrect items.
  • Restocking Fees: You would be chagred about 30% of the product price when return the item, unless the item is defective, damaged, or incorrect.

Damaged or Incorrect Items

If you receive a damaged or incorrect item, please contact our customer service team within 7 days of receiving the product. We will exchange once the return is received.

Contact Us

If you have any questions or concerns about returns or refunds, please contact us at:
Email: help@network-switch.com

Before returning any products, please contact us to explain the issues you are experiencing. In many cases, we can resolve the problem through technical support, and you won't need to return the product.

If there are irreparable defects in the device, you can return it to us for repair or replacement under our twelve-month warranty. Simply reach out to us, and we will provide you with a return code, our return address, and any additional instructions.

Please do not return any items without first contacting us. We will guide you through the process, including the appropriate shipping methods.

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