QNAP QDA-UMP4

Overview

The QNAP QDA-UMP4 is an adapter designed to install an M.2 2280 PCIe 4.0 x4 NVMe SSD into a 2.5-inch U.2 (SFF-8639) PCIe 4.0 x4 drive bay. It enables users to upgrade storage in systems or servers that only support U.2 slots, allowing high-speed M.2 SSDs to be used without replacing existing hardware. With read speeds up to 5381.8 MB/s and write speeds up to 2423.8 MB/s, this adapter supports demanding tasks such as video editing, database management, and virtualization.

Key features

• Supports M.2 2280 PCIe 4.0 x4 NVMe SSDs for fast and efficient storage upgrades
• Fits into 2.5-inch U.2 (SFF-8639) PCIe 4.0 x4 drive bays, expanding compatibility
• Constructed from aluminum alloy with thermal pads to provide passive heat dissipation without the need for fans
• Compatible with Windows, Linux, and select QNAP NAS systems without requiring additional drivers
• Backward compatible with PCIe 3.0 NVMe SSDs, offering flexibility for various SSD models
• Helps reduce upgrade costs by allowing the use of M.2 SSDs in U.2 storage environments

Key specs

• Form factor support: M.2 2280 PCIe 4.0 x4 NVMe SSD
• Interface: 2.5-inch U.2 (SFF-8639) PCIe 4.0 x4
• Maximum read speed: 5381.8 MB/s
• Maximum write speed: 2423.8 MB/s
• Material: Aluminum alloy with thermal pads for heat management
• Operating system compatibility: Windows, Linux, select QNAP NAS systems
• Backward compatibility: PCIe 3.0 NVMe SSDs

Connectivity and compatibility

This adapter bridges the gap between M.2 and U.2 interfaces, making it a practical solution for systems that only have U.2 drive bays but require the speed and performance of M.2 PCIe 4.0 SSDs. It works seamlessly with major operating systems like Windows and Linux, as well as certain QNAP NAS devices, without the need for extra drivers. Its backward compatibility with PCIe 3.0 NVMe SSDs adds further versatility for different storage setups.

Performance and reliability

Thanks to its aluminum alloy construction and integrated thermal pads, the adapter efficiently dissipates heat generated by high-speed SSDs, maintaining stable performance without active cooling. This passive thermal management helps prevent overheating during intensive workloads, ensuring consistent data transfer rates and prolonging the lifespan of your SSD. The adapter’s support for PCIe 4.0 x4 maximizes bandwidth, making it suitable for professional environments that demand fast and reliable storage.

Ideal uses and environments

The QDA-UMP4 is well suited to IT professionals, system builders, and users who want to extend the life of their existing hardware while upgrading to the latest SSD technology. It fits well in server rooms, workstations, and NAS setups where U.2 drive bays are available but M.2 SSDs are preferred for their speed and capacity. This adapter is a cost-effective way to enhance storage performance without a full system overhaul.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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