Qnap SP-E10G-SFP+-DAC Dual-Port 10GbE Card for TS-x79 - High-Speed NAS

In this review the Qnap SP-E10G-SFP+-DAC is evaluated as a targeted network upgrade for owners of specific TS-x79 series NAS models. The bottom line: it is a straightforward way to add dual 10 GbE SFP+ connectivity to a compatible QNAP enclosure, delivering clear performance benefits for heavy file transfers and virtualization storage traffic. For anyone running a TS-879 Pro, TS-1279U-RP or related chassis, this card converts limited onboard networking into a low-latency, high-throughput link using SFP+ DAC cabling.

Key Features

• Dual-port 10 GbE: Two SFP+ ports provide simultaneous high-speed paths for storage traffic, reducing bottlenecks in multi-user or VM-heavy environments.
• Designed for TS-x79 models: The card is made specifically for the TS-879 Pro, TS-1079 Pro and various TS-1279U-RP series models, ensuring physical and firmware compatibility with those QNAP enclosures.
• SFP+ DAC support: Uses SFP+ direct-attach copper cables for short-range, low-latency connections that are cost-effective compared with optical transceivers and fiber.
• Emulex-based adapter: The integrated Emulex OCe11102-NX controller offers proven server-class networking technology that is stable under sustained loads.
• Dual-port redundancy: Having two ports lets administrators separate traffic, enable failover or aggregate links for higher throughput depending on switch support.

Who It's For

The Qnap SP-E10G-SFP+-DAC is aimed at small business owners, home lab enthusiasts, and IT pros who already own one of the supported TS-x79 series NAS models and need to upgrade to 10 GbE without replacing the entire system. It is especially useful where short runs and cost-effective cabling are acceptable, such as between rack-mounted NAS and adjacent switches or servers.

It is not a universal network card; customers with different QNAP models or those that require long-distance fiber should look for compatible SFP+ modules or fiber-capable adapters instead. Buyers who need management features outside the supported enclosure firmware should confirm compatibility before purchase.

Pros & Cons

Pros

• Provides clear bandwidth uplift for supported TS-x79 series NAS, enabling faster backups and VM storage performance.
• SFP+ DAC cabling keeps latency low and cost per link modest for short connections.
• Dual ports support link redundancy or aggregation for improved resilience or throughput.

Cons

• Compatibility is limited to specific TS-x79 models, so it will not work with unrelated NAS enclosures.
• SFP+ DAC is best for short runs; longer distances require different transceivers and cabling.

Specifications

Product	SP-E10G-SFP+-DAC dual-port 10 GbE card
Ports	2 x SFP+
Controller	Emulex OCe11102-NX
Supported Models	TS-879 Pro, TS-1079 Pro, TS-879U-RP, TS-EC879U-RP, TS-1279U-RP, TS-EC1279U-RP
Cabling	SFP+ DAC (direct-attach copper)

Our Verdict

The SP-E10G-SFP+-DAC is a focused, practical upgrade for owners of supported TS-x79 series NAS who need lower latency and higher throughput for heavy file and virtual machine workloads. Compatibility is its defining advantage, and for the right enclosure it offers solid value by avoiding a full system replacement while delivering server-class Emulex networking.

Frequently Asked Questions

Will this card work in other QNAP models?
It is built for TS-x79 series models listed in the specifications; other QNAP enclosures may not be supported and should be verified before purchase.

What type of cable is required?
The card is intended for SFP+ DAC direct-attach copper cables for short-distance connections; fiber transceivers are not included.

Can both ports be used at the same time?
Yes, the dual ports support simultaneous use for redundancy, link aggregation or separate traffic lanes depending on switch capabilities.