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| Basic Information | ||
| Efficiency | 80 Plus Gold (over 90% efficiency) | |
| Output Power | 1000 Watt | |
| Maximum Power | 1000 Watt | |
| Modular Type | Full Modular | |
| Certification | 80 PLUS Gold | |
| Fans | 120mm FDB fan with Zero RPM Mode | |
| Others | ATX 3.1, 12VHPWR, PCIe Gen 5.1 support | |
| Physical Specification | ||
| Color | Black | |
| Warrnty Information | ||
| Warranty | 10 Year | |
The Corsair SF-L Series SF1000L is a compact, high-performance 1000W power supply designed for modern SFF (small form factor) and mini-ITX builds that need stable power, excellent efficiency, and a clean cable setup. Built around ATX 3.1 support and 80 PLUS Gold efficiency, this fully modular PSU helps deliver reliable performance for demanding gaming systems and content creation workstations—especially setups using power-hungry GPUs such as RTX 4090-class cards and PCIe Gen 5 platforms.
With 80 PLUS Gold certification, the SF1000L is rated for over 90% energy efficiency, which means less wasted power as heat. In practical terms, this can help your compact PC run more comfortably under load, while also supporting better energy usage compared to lower efficiency power supplies. If you’re building a system where airflow is limited by tight case dimensions, higher efficiency is a meaningful advantage because it reduces thermal stress on internal components.
This PSU is fully modular, so you can connect only the cables you actually need. That reduces cable clutter inside your SFF chassis, improves airflow around the GPU and motherboard area, and makes installation and future upgrades simpler. Compared to non-modular units, a fully modular layout is especially helpful when you’re routing power in compact cases where every centimeter matters.
The SF1000L includes a 12VHPWR connector and is designed to support PCIe Gen 5.1 and ATX 3.1 hardware. This makes it a strong choice for users planning next-gen GPU upgrades, or those who want a PSU that aligns with current platform requirements. If you’re assembling a performance-first build, having the correct modern power interface helps ensure your system is ready for demanding graphics configurations.
A 120mm FDB fan with Zero RPM Mode is included to support near-silent operation during low and medium loads. In everyday use—web browsing, office work, and lighter gaming—the fan can remain off until cooling is truly needed. This is particularly beneficial for SFF builds where noise can be more noticeable due to reduced space for sound dampening.
The SF1000L features 105°C-rated capacitors, which are intended to improve long-lasting performance and system reliability under heat and sustained usage. For buyers who keep their PCs running for long sessions—such as rendering, streaming, or heavy gaming—this kind of component-focused design helps maintain stable power delivery over time.
Before purchasing, confirm your case supports SFX-L power supplies, since this model is slightly larger than standard SFX while still smaller than ATX. Also ensure your GPU uses a 12VHPWR connector, as the PSU is designed to include that support for compatible graphics cards. If you’re prioritizing a quiet, efficient, and upgrade-ready compact build, the Corsair SF-L SF1000L is a practical match for high-end components in tight enclosures.
The Corsair SF-L Series SF1000L comes with a 10-year warranty, offering added peace of mind for users who want dependable power for both gaming and professional workloads.
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