Black Box QSFP-H40G-CU3M-BB QSFP+ Network Cable

Part No:QSFP-H40G-CU3M-BB Write a Review

Condition:New

Brand:Black Box

Weight:0.05 lbs

Product Type:QSFP+ Direct Attach Copper Cable

Black Box QSFP-H40G-CU3M-BB

QSFP+ Network Cable

The Black Box QSFP-H40G-CU3M-BB is a high-performance QSFP+ to QSFP+ direct attach copper (DAC) cable designed for reliable and cost-effective short-distance interconnects. With a length of 3 meters, this passive cable provides a simple, efficient, and energy-saving solution for high-bandwidth data transmission up to 40Gbps, making it ideal for data centers and enterprise networking.

Manufactured by Black Box, a globally trusted networking solutions provider, this QSFP+ cable ensures guaranteed compatibility with a wide range of QSFP+ networking equipment. It’s engineered to deliver low latency, high durability, and optimal signal integrity while being easy to deploy in tight rack configurations.

Features :

This QSFP+ DAC cable provides a cost-efficient alternative to optical transceivers for short-range connections, requiring no additional power consumption or complex configuration. Capable of supporting full 40 Gigabit Ethernet over copper, it is perfect for switch-to-switch links, storage networks, and high-speed interconnect solutions in server clusters and cloud environments. The passive design ensures low interference and seamless plug-and-play installation.

Advanced Options :

The QSFP-H40G-CU3M-BB is QSFP MSA (Multi-Source Agreement) compliant, ensuring interoperability with compliant devices from major vendors. Its robust construction guarantees long-lasting reliability, while the hot-swappable design makes it easy to integrate or replace without downtime. Designed specifically for rack-to-rack or within-rack deployments, this 3-meter DAC is an essential solution for cost-conscious enterprises that still require uncompromising bandwidth and stability.

Product Key Features

  • 40Gbps data transmission (QSFP+ to QSFP+)
  • 3-meter passive copper cable
  • Cost-effective alternative to optical transceivers
  • Low power consumption, plug-and-play design
  • Hot-pluggable QSFP+ compliant connection
  • Durable construction for enterprise applications
  • Ideal for high-density data centers
  • Backed by Black Box reliability

Reliability & Performance :

The Black Box QSFP-H40G-CU3M-BB delivers consistent throughput and superior reliability, making it an excellent choice for data center and enterprise environments where uptime and stability are non-negotiable. Engineered with precision and tested for quality, it provides solid performance for critical networking infrastructure while reducing operating costs compared to fiber solutions.

Key Features :

  • 40GbE QSFP+ passive DAC cable
  • 3-meter length for short interconnects
  • Hot-pluggable and MSA-compliant
  • Supports low-latency server and switch links
  • Durable copper construction
  • Zero additional power requirement
  • Backed by Black Box quality assurance
DC Supplies Banner
BrandBlack Box
SKUQSFP-H40G-CU3M-BB
ConditionNew
Weight0.05 lbs
Part NumberQSFP-H40G-CU3M-BB
Product TypeQSFP+ Direct Attach Copper Cable
Form FactorQSFP+ to QSFP+
Data Rate40 Gbps
Cable TypePassive Copper
Cable Length3 meters
Connector TypeQSFP+ (Quad Small Form-factor Pluggable Plus)
Power ConsumptionNear zero (passive)
ComplianceQSFP MSA Compliant
Hot-SwappableYes
LatencyUltra-low, passive cable design
ApplicationSwitch-to-switch, server-to-switch, storage networks
EnvironmentDesigned for data center and enterprise
DurabilityHigh-quality copper with long lifecycle
Operating Temperature0°C to 70°C
Storage Temperature-20°C to 85°C
WarrantyBacked by Black Box limited warranty
InstallationPlug-and-play, no configuration required

Warranty

Backed by Black Box limited warranty

Returns

We guarantee free replacements on all new/refurbished equipment in case of any defects.

  • Returns must be requested within 30 days of the original invoice date.
  • Merchandise must be unused and in original packaging; bulk-packed and refurbished items must have unbroken sealing tape.
  • A 25% restocking fee applies to non-defective merchandise returned by mistake.
  • Discontinued, close-out, and custom printed items are non-returnable unless defective.
  • Customer is responsible for return freight costs.

View full return policy

Customer Reviews of the Black Box QSFP-H40G-CU3M-BB QSFP+ Network Cable

Based on 0 Reviews
5 Stars
0% (0)
4 Stars
0% (0)
3 Stars
0% (0)
2 Stars
0% (0)
1 Star
0% (0)

Filter Results

Do you own this product?

Write a Review

There are no reviews yet.

Write a Review

Your email address will not be published. Required fields are marked *

We Accept

  • PayPal
  • All Credit & Debit Cards
  • Purchase Orders
  • Check
  • Bank Transfer / ACH / Wire Transfer

To pay by PayPal or credit/debit card, simply check out and process payment online.

To pay by Purchase Order, Check, or Bank Transfer, please contact us:
Call: (469) 458-9636
Email: sales@dcsupplies.net

All packages are shipped same day if the order is placed before 3PM CST.

We use UPS/FedEx to ship packages, with different service levels offered by UPS/FedEx:

  • Overnight Shipping - 1 business day
  • Expedited Shipping - about 2-3 business days
  • Ground Shipping - about 3-5 business days

You can select the desired service level at checkout, and we will make sure the package is shipped per the selected service level.