ATTO ThunderLink NS-5252
ATTO ThunderLink NS-5252
Dual-Port Thunderbolt 5 To Dual 25GbE SFP28 Adapter — 2 x LC SFP28 Optical Transceivers Included
The ATTO ThunderLink NS-5252 connects Thunderbolt 5 workstations to dual-port 25Gb Ethernet networks for high-resolution media, backup, collaboration and compute workflows.
The UK/EMEA TLNS-5252-DE0 package includes two SFP28 optical modules and two 80Gb/s Thunderbolt 5 USB-C ports with dedicated host and downstream-device roles.
- 2 x 25GbE SFP28 Ethernet ports.
- 2 x 80Gb/s Thunderbolt 5 USB-C ports.
- Two SFP28 optical modules included.
- ATTO360 Networking, RoCE and advanced hardware offloads.
Brand: ATTO Technology
£ 1,377.95 | £ 1,653.54 inc VAT
In Stock
ATTO ThunderLink NS-5252 – Product Overview
Thunderbolt 5 To Dual 25GbE
The ThunderLink NS-5252 provides two SFP28 Ethernet ports for low-latency 25GbE connectivity from compatible Thunderbolt workstations.
Dual Thunderbolt 5 Ports
ATTO specifies two 80Gb/s Thunderbolt 5 USB-C ports with dedicated host and downstream-device roles, supporting compatible Thunderbolt daisy-chain workflows.
25GbE Optics Included
The TLNS-5252-DE0 UK/EMEA finished-goods package includes two SFP28 optical modules. ATTO specifies optical reach up to 100 metres on OM4 and 70 metres on OM3 with its 25GbE SFP28 optics.
Networking Acceleration And Management
ATTO360 Networking provides tuning, monitoring and diagnostics. Hardware capabilities include SR-IOV, advanced packet filtering, VLAN/QoS functions, checksum and segmentation offloads, and RoCE v1/v2 RDMA support on supported Windows and Linux platforms.
ATTO ThunderLink NS-5252 – Key Features
- Two 25GbE SFP28 Ethernet ports.
- Two SFP28 optical modules included with TLNS-5252-DE0.
- Dual 80Gb/s Thunderbolt 5 USB-C ports.
- Dedicated Thunderbolt host and downstream-device ports.
- 25Gb/s data rate per Ethernet port.
- Optical reach up to 100m OM4 / 70m OM3 with ATTO 25GbE optics.
- SR-IOV hardware virtualisation support.
- RoCE v1/v2 RDMA support for Windows and Linux.
- VLAN, QoS and advanced packet-filtering support.
- TCP/UDP/IP and segmentation hardware offloads.
- ATTO360 Networking management and diagnostics.
- macOS, Windows and Linux support.
- Three-year standard warranty.
ATTO ThunderLink NS-5252 – Technical Specifications
| Model | ATTO ThunderLink NS-5252 |
| SKU | TLNS-5252-DE0 |
| Thunderbolt Interface | 2 x 80Gb/s Thunderbolt 5 USB-C |
| Ethernet Ports | 2 x 25GbE |
| Connector | SFP28 |
| Included Optics | 2 x SFP28 optical modules |
| Optical Reach | Up to 100m OM4 / 70m OM3 with ATTO 25GbE SFP28 optics |
| Networking Features | SR-IOV, RoCE v1/v2, VLAN, QoS, packet filtering, checksum and segmentation offloads |
| Management | ATTO360 Networking |
| Operating Systems | macOS, Windows, Linux |
| Dimensions | 9.45 x 4.07 x 1.38 in |
| Power Adapter Input | 100-240VAC, 50-60Hz, 0.6A max |
| Power Adapter Output | 12VDC |
| Operating Temperature | 0°C to 40°C at 10,000ft |
| Storage Temperature | -40°C to 70°C |
| Warranty | 3 years |
ATTO ThunderLink NS-5252 Product Downloads
ATTO Technology Delivery Information
Generally, next working day delivery services (UK Mainland) are available on standard ATTO Technology Delivery orders placed before 2 pm (subject to stock availability).
Non-timed deliveries should be delivered between 9 am and 6 pm.
Orders placed after 2 pm on Fridays and weekends will be processed as normal the following Monday.
Orders placed on Bank Holidays will be processed the next working day.
If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.
Please note: these product details are for guide purposes only, and may contain errors.
We always recommend double-checking the product specs and features on the manufacturer website, or contact us if unsure before ordering.













