AJMRTC M.2 Key M PCIe 4.0 x4 to SFF-8611 / SFF-8612 4i Host Adapter, Vertical Short Type A Converter, Supports NVMe SSD and eGPU Expansion for Motherboard, Mini PC

AJMRTC vertical short Type A M.2 Key M PCIe 4.0 x4 host adapter converts an M.2 M-key slot into a SFF-8611 / SFF-8612 4i interface. It follows PCIe 4.0 Gen4 specification and preserves the complete x4 bandwidth, making it suitable for high-speed NVMe storage and eGPU external graphics setups. The vertical short Type A design saves horizontal space on the motherboard, which is ideal for mini PCs, thin chassis and compact custom builds where regular horizontal adapters cannot fit. The board adopts strictly impedance-controlled high-speed PCB routing and gold-plated contact pins to reduce signal attenuation, crosstalk and link retraining issues under high transfer loads. It is a passive adapter requiring no driver, allowing users to connect SFF-8611 / 8612 breakout cables for storage backplanes or external GPU enclosures. Perfect for enthusiasts who want flexible high-speed expansion from an existing M.2 slot.

Specifications:

1. Brand: AJMRTC
2. Host Interface: M.2 Key M, PCIe 4.0 x4
3. Output Port: SFF-8611 / SFF-8612 4i
4. Form: Vertical Short Type A
5. PCIe Version: Gen 4.0
6. Supported Device: NVMe SSD, eGPU
7. Board: Impedance-controlled high-speed PCB
8. Contacts: Gold Plated
9. Operation: Plug & Play, Driver Free
10. Application: Mini PC, Motherboard Expansion, External GPU, Storage Backplane