# BlueOptics InfiniBand/fibre optic cable 3 m QSFP28 Black

**URL:** https://aio.lv/en/product--blueoptics-845416-b21-bl--5038829
**Data updated:** 2026-03-07 15:11 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** 845416-B21-BL
**EAN:** 4063232102177
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 192.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 159.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-845416-b21-bl--5038829

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The BlueOptics 845416-B21-BL is a 3 m InfiniBand/fibre optic cable with QSFP28 connectors. It features male/male connectors, ensuring high-speed data transfer for data centers and networking applications.

## Long description

The BlueOptics InfiniBand/fibre optic cable 3 m QSFP28 Black is a 3-metre high-speed connection cable designed for data centre and high-performance networking environments. Equipped with QSFP28 male-to-male connectors, this cable supports high bandwidth InfiniBand and fibre optic links and is intended for short-range, low-latency interconnects between switches, servers and host adapters. The cable’s black jacket provides a discreet appearance while offering protection for the fibre elements inside.
Advantages
This 3 m QSFP28 cable delivers reliable high-bandwidth data transfer with low latency suitable for InfiniBand fabric and fibre optic networks. Male-to-male QSFP28 terminations ensure compatibility with QSFP28 ports used in modern networking equipment. The cable’s design focuses on signal integrity and consistent performance across short rack-to-rack or in-rack connections, while the robust outer jacket provides mechanical protection and easy handling during installation.
Suitable for
High-performance computing clusters and InfiniBand fabrics
Server-to-switch and switch-to-switch short-range links
Data centre rack interconnects and top-of-rack connections
Low-latency storage area network (SAN) and RDMA setups
Key specifications
Cable length: 3 m
Connector type: QSFP28 male-to-male
Cable colour: Black
Transmission medium: Fibre optic suitable for InfiniBand
Designed for short-range, high-bandwidth, low-latency connections
How to use
Connect each QSFP28 male connector to the corresponding QSFP28 ports on your networking devices, ensuring connectors are aligned and fully seated. Use the cable for direct links between compatible ports in servers, switches or host adapters. Avoid tight bends and kinks; maintain recommended bend radii for fibre optic cables and route the cable to prevent excessive strain on connectors. Verify link status on devices after connection to confirm proper operation.
Usage recommendations
For optimal performance, install the cable in rack or cabinet environments with minimal bend and secure routing. Keep dust caps on connectors when not in use, and inspect connectors for contamination before mating. Use this cable for short-range, high-bandwidth applications and consult equipment documentation for port compatibility and firmware or driver requirements.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.15 kg |
| Package weight | 160 g |
| Cable length | 3 m |
| Data transfer rate | 100 Gbit/s |
| Product colour | Black |
| Connector 1 | QSFP28 |
| Connector 2 | QSFP28 |

## FAQ

### How much does the InfiniBand/fibre optic cable BlueOptics 845416-B21-BL cost, and is it available for purchase?

The price is 192.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All BlueOptics products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BlueOptics service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/5038829/59302827_large.webp