Corsair RM1000e vs Corsair RM1000x
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Corsair RM1000e is a fully modular, low-noise ATX power supply designed for high-performance systems. With its 80 PLUS Gold certification, it offers high efficiency and reliability, making it ideal for gaming, content creation, and other demanding applications.
The Corsair RM1000x is a high-performance power supply designed for demanding systems. With 1000W of power and 80 PLUS Gold certification, it offers high efficiency and reliability. The fully modular design allows for easy cable management and reduced clutter.
- High-performance and high-efficiency design
- Low noise operation and modular design for easy cable management
- 80 PLUS Gold certification for high efficiency and low energy waste
- Compliant with ATX12V v2.4 and EPS 2.92 standards for wide compatibility
- High efficiency and reliability
- Fully modular design for easy cable management
- High-quality components for long lifespan
- 5-year warranty for peace of mind
- High price point compared to other power supplies
- Large size may not fit in smaller cases
- Limited availability in some regions
- Expensive compared to lower-wattage options
- Large size may not fit in smaller cases
- No built-in fan control
More alternatives & similar tools
Alternatives to Corsair RM1000e
View all →High-performance 1000W ATX 3.0 power supply with 80 Plus Gold certification

Reliable 850W Gold‑rated PSU with fully modular design for high‑performance PCs.
Alternatives to Corsair RM1000x
View all →High-performance 1000W ATX 3.0 power supply with 80 Plus Gold certification

Reliable 850W Gold‑rated PSU with fully modular design for high‑performance PCs.
High‑performance 650W PSU with RGB flair and 80+ Gold efficiency
The Verdict
AI-generated from listing dataBoth are 1000 W 80 PLUS Gold fully modular PSUs with 5‑year warranties, but the RM1000x is lighter and shorter, while the RM1000e lists a higher price and larger size.
Key differences
- •Weight: RM1000x is 1.8 kg vs RM1000e at 2.5 kg.
- •Physical height: RM1000x is 160 mm tall, RM1000e is 180 mm tall.
- •Price: RM1000e MSRP $199; RM1000x price not specified.
- •Cooling: RM1000e uses a 135 mm fan; RM1000x offers a zero‑RPM mode but notes no built‑in fan control.
Performance
Both supply 1000 W continuous power and meet ATX12V v2.4/EPS 2.92.
Build quality
Both have 5‑year warranties and use high‑quality components per vendor claims.
Connectivity
Both are fully modular with similar cable management features.
Power & efficiency
Both are 80 PLUS Gold certified, delivering high efficiency.
Compatibility
Both comply with ATX12V v2.4 and EPS 2.92, supporting modern GPUs/CPUs.
Price & value
RM1000e lists a $199 MSRP; RM1000x price not provided, so cannot confirm better value.
Warranty & support
Both offer a 5‑year warranty.
Choose Corsair RM1000e if…
Buyers who prioritize known pricing and accept a larger, heavier unit.
Choose Corsair RM1000x if…
Buyers needing a more compact, lighter PSU and can tolerate unknown price.
Common questions
Which unit is physically smaller and easier to fit in compact cases?
The RM1000x is 160 mm tall versus 180 mm for the RM1000e, making it shorter.
Is there a price advantage for either model?
Only the RM1000e lists a price ($199); the RM1000x price is not specified.
Do both models support silent operation?
RM1000e uses a low‑noise 135 mm fan; RM1000x has a zero‑RPM mode but notes no built‑in fan control.