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Main image of AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Alt view image 2 of 7 - AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Alt view image 3 of 7 - AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Alt view image 4 of 7 - AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Alt view image 5 of 7 - AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Alt view image 6 of 7 - AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Alt view image 7 of 7 - AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

Shop All AJMRTC Products | Visit ‌ConnectFlow USA Store

AJMRTC M.2 M-Key PCIe 4.0 to OCuLink SFF-8611 SFF-8612 Host Adapter, Custom for 2022 2023 ThinkBook 14+, for External eGPU Dock and U.2 NVMe SSD Expansion

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- Custom PCB layout specially tailored for 2022 & 2023 ThinkBook 14+ laptops
- PCIe 4.0 x4 with 64Gbps bandwidth, compatible with SFF-8611 and SFF-8612 OCuLink cables
- Dual-purpose design: supports external eGPU graphics dock or U.2 NVMe SSD storage
- Native PCIe signal path, lower latency and less performance loss than USB4 eGPU solutions
- Slim form factor, fits inside laptop without major chassis modification

Overview

Specs

Reviews

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AJMRTC M.2 M-key to OCuLink adapter converts the spare M.2 NVMe slot of 2022 and 2023 ThinkBook 14+ into an OCuLink port. It supports PCIe 4.0 x4 and works with both SFF-8611 and SFF-8612 cables. You can connect an external GPU dock for gaming, rendering and video editing, or attach U.2 NVMe SSD for high-speed storage upgrade. This adapter is model-specific, it does NOT fit ThinkBook 16+ or other laptop models. Hot swap function is not supported.

Specifications

Brand: AJMRTC
Host Interface: M.2 M-Key
Output Interface: OCuLink SFF-8611 / SFF-8612
PCIe Standard: PCIe 4.0 x4
Max Bandwidth: 64Gbps
Compatible Laptop: 2022, 2023 ThinkBook 14+
Supported Devices: eGPU Dock, U.2 NVMe SSD
Protocol: PCIe / NVMe
Hot Swap: Not Supported
Compatible OS: Windows, Linux

Additional Information
First Listed on Newegg	October 29, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies

Return for refund within: 30 days
Return for replacement within: non-replaceable
This item is covered by ‌ConnectFlow USA Return Policy

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Item#: 9SIC9FFM9N1057