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Main image of PCIe 5.0 X4 M.2 NVMe SSD Expansion Card for 1U Host, 128Gbps High Speed Adapter with Aluminum Alloy Heatsink, Gold-Plated PCB, Compatible with PCIe 4.0/3.0 Motherboards AU-DSBX4

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PCIe 5.0 X4 M.2 NVMe SSD Expansion Card for 1U Host, 128Gbps High Speed Adapter with Aluminum Alloy Heatsink, Gold-Plated PCB, Compatible with PCIe 4.0/3.0 Motherboards AU-DSBX4

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Next-Gen PCIe 5.0 X4 Speed 128Gbps Delivers ultra-fast data transfer, maximizing performance for NVMe M.2 SSDs in high-demand computing tasks.; Aluminum Alloy Heatsink for Better Cooling Dual cooling design ensures stable operation and prevents overheating during heavy workloads.; Gold-Plated Thickened PCB Provides superior conductivity, stable signal transmission, and long-term durability under intensive use.; Wide Compatibility PCIe 5.0/4.0/3.0 For 1U Host, Backward compatible with earlier PCIe versions, supporting multiple system builds and upgrades.; Supports Multiple M.2 SSD Sizes Compatible with 2230, 2242, 2260, 2280 SSDs, ideal for expanding storage and accelerating PC performance.

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AoQhir PCIe 5.0 X4 M. 2 NVMe SSD Expansion Card for 1U Host, 128Gbps High Speed Adapter with Aluminum Alloy Heatsink, Gold-Plated PCB, Compatible with PCIe 4.0 / 3.0 Motherboards AU-DSBX4 Description The AU-DSBX4 PCIe 5.0 X4 M. 2 SSD Expansion Card delivers next-generation performance for high-speed storage solutions. Supporting 128Gbps bandwidth with the PCIe 5.0 protocol, this adapter ensures blazing-fast transfer speeds for professional workloads, gaming, and 4K/8K video editing. Built with a thickened gold-plated PCB and equipped with an aluminum alloy heatsink, it provides stable signal transmission, efficient heat dissipation, and long-lasting durability.

The card supports multiple M. 2 SSD sizes ( 2230/2242/2260/2280 ) and is backward compatible with PCIe 4.0 and 3.0.
Note: To use this card as a system disk, ensure your motherboard supports the PCI Express protocol. Product

Specifications

PCIe 5.0 x4 Adapter Card | 128Gbps | Gold-Plated Contacts PCI-E M. 2 Interface New Protocol Solution for Computer Speed Boost and
Capacity Expansion Note: This adapter card must be used with an M. 2 SSD as the system drive. Requires motherboard support for PCI Express protocol. Dual cooling for enhanced stability Backward compatible with PCIe 4.0 / 3.0 Thickened PCB with gold-plated traces Supports 2230/2242/2260/2280 form SSD

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First Listed on Newegg	July 09, 2026

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Return for refund within: 30 days
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This item is covered by EmpressTech Return Policy

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Item#: 9SIC6W1M127090