# QSFP transceiver module BlueOptics 321-1837-BO 40000 Mbit/s

**URL:** https://aio.lv/en/product--blueoptics-321-1837-bo--10617673
**Data updated:** 2026-02-25 16:39 (EET)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** 321-1837-BO
**EAN:** 4063232309309
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 309.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 256.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-321-1837-bo--10617673

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.89 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics 321-1837-BO is a QSFP fiber optic transceiver module with a maximum data transfer rate of 40000 Mbit/s. It features a silver color, weighs 20 g, and has a form factor of QSFP. With a mean time between failures (MTBF) of 1000000 hours, it ensures reliability for high-speed data transmission.

## Long description

The BlueOptics 321-1837-BO is a QSFP fiber optic transceiver module designed for 40 Gigabit Ethernet links. It supports a maximum data transfer rate of 40000 Mbit/s and a maximum transfer distance up to 10000 m using LC fibre connectors. The module has a compact QSFP form factor, a silver housing and a lightweight construction of approximately 20 g, delivering a high MTBF rating of 1,000,000 hours suitable for continuous network operation.
Advantages
The QSFP transceiver provides standardized 40 Gigabit Ethernet connectivity in a single compact module and is compatible with systems that accept QSFP form-factor optics. The LC connector interface enables multi-mode or single-mode fibre termination options depending on system configuration. Its low weight and silver metal housing aid thermal dissipation and mechanical robustness for rack-mounted and chassis-based networking equipment. The specified MTBF indicates a design focused on long-term reliability under normal operating conditions.
Suitable for
 High-speed server-to-switch connections in data centres
 Aggregation and spine-leaf switching topologies
 Long-distance optical links up to 10 km
 Upgrading network uplinks to 40 Gigabit Ethernet
Key specifications
 Maximum data transfer rate: 40000 Mbit/s
 Maximum transfer distance: 10000 m
 Form factor: QSFP
 Ethernet interface: 40 Gigabit Ethernet
 Fiber optic connector: LC
 Product colour: Silver
 Weight: 0.02 kg
 Mean time between failures (MTBF): 1,000,000 hours
How to use
Ensure the host device supports QSFP modules and 40 Gigabit Ethernet optics before installation. Power down or follow hot-swap procedures for your equipment according to the vendor instructions. Align the module’s QSFP guide rails and slide it into the transceiver slot until it seats firmly; connect LC-terminated fiber patch cables to the LC ports. After insertion, verify link and speed negotiation in the switch or network interface management interface and monitor optical signal levels. Follow system vendor guidance for any required firmware or port configuration to enable the 40 Gbit/s link.
Usage recommendations
Store and handle the transceiver in a clean, dry environment; avoid touching the LC connector endfaces and use dust caps when the module is not in use. Use compatible LC fiber patch cords rated for the intended link distance and fibre type. Monitor module operating temperature and optical power levels as part of routine network maintenance to ensure stable 40 Gigabit Ethernet performance.

## Specifications

| Feature | Value |
|---|---|
| Interface type | QSFP |
| Ethernet LAN | Yes |
| Hot-Plug support | Yes |
| Maximum operating temperature | 70 °C |
| Easy to install | Yes |
| Brand compatibility | NetScout |
| SFP transceiver type | Fiber optic |
| Single-mode fiber (SMF) supported | Yes |
| SFP transceiver standard | LR4, CWDM |
| Coarse Wavelength Division Multiplexing (CWDM) | Yes |

### Network

| Feature | Value |
|---|---|
| Ethernet interface type | 40 Gigabit Ethernet |
| Maximum data transfer rate | 40000 Mbit/s |
| Fiber ethernet cabling technology | 40GBASE |
| Duplex system | Full |

### Ports & interfaces

| Feature | Value |
|---|---|
| Fiber optic connector | LC |

### Performance

| Feature | Value |
|---|---|
| Maximum transfer distance | 10000 m |
| Mean time between failures (MTBF) | 1000000 h |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.02 kg |

### Other features

| Feature | Value |
|---|---|
| Form factor | QSFP |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | CE, Federal Communications Commission (FCC), RoHS |

### Features

| Feature | Value |
|---|---|
| Product colour | Silver |
| Hot-swap | Yes |
| Digital Diagnostics Monitoring (DDM) | Yes |

## FAQ

### How much does the QSFP transceiver BlueOptics 321-1837-BO cost, and is it available for purchase?

The price is 309.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 337 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 03.08.2026 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: maximum data transfer rate, maximum transfer distance, weight, ethernet interface type, fiber optic connector, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for QSFP transceiver BlueOptics 321-1837-BO?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10617673/66006225_large.webp