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ASUS ROG Loki SFX-L 750W Platinum vs FSP Dagger Pro SFX 850W: Comparison
What is the difference between ASUS ROG Loki SFX-L 750W Platinum and FSP Dagger Pro SFX 850W?
Start with wattage, because it is the widest measured gap between them: ASUS ROG Loki SFX-L 750W Platinum 750 W against FSP Dagger Pro SFX 850W 850 W, 12% in favour of FSP Dagger Pro SFX 850W. Add pcie 8-pin connectors to that, 3 on the ASUS ROG Loki SFX-L 750W Platinum versus 4 on the FSP Dagger Pro SFX 850W, and the pattern holds. ASUS ROG Loki SFX-L 750W Platinum also leads on mtbf, 120000 hours on the ASUS ROG Loki SFX-L 750W Platinum versus 100000 hours on the FSP Dagger Pro SFX 850W.
Who each one is for
The ASUS ROG Loki SFX-L 750W Platinum suits small form factor high-end builds and ITX gaming systems, though it is not the pick for standard ATX cases with no space constraints. The FSP Dagger Pro SFX 850W is the one to take for SFF builds running RTX 4080/4090-class GPUs and buyers wanting native 12V-2x6 in a compact form factor, though it is not built for standard ATX tower builds and noise-sensitive quiet builds under sustained load. Our rating of the FSP Dagger Pro SFX 850W (8.3/10): one of the few 850W SFX-L units with native ATX 3.0 support, ideal for high-end small-form-factor builds.
ASUS ROG Loki SFX-L 750W Platinum vs FSP Dagger Pro SFX 850W price
Cost splits them too. FSP Dagger Pro SFX 850W sits at $160, ASUS ROG Loki SFX-L 750W Platinum at $170, 6% more.
What ASUS ROG Loki SFX-L 750W Platinum and FSP Dagger Pro SFX 850W have in common
The common ground is wider than the gap: modularity, warranty, single +12v rail, 12v-2x6 connectors and zero-rpm mode are identical here. They match on 3 further specifications as well.
Frequently asked questions
Do the ASUS ROG Loki SFX-L 750W Platinum and FSP Dagger Pro SFX 850W differ on fan size?
Yes. Fan Size reads 120 mm on the ASUS ROG Loki SFX-L 750W Platinum versus 92 mm on the FSP Dagger Pro SFX 850W.
Is the EPS 8-pin Connectors the same on the ASUS ROG Loki SFX-L 750W Platinum and FSP Dagger Pro SFX 850W?
It is. Both are listed at 2, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- ASUS ROG Loki SFX-L 750W Platinum
- ASUS
- FSP Dagger Pro SFX 850W
- FSP
Wattage
- ASUS ROG Loki SFX-L 750W Platinum
- 750 W-12%
- FSP Dagger Pro SFX 850W
- 850 WBest
80 PLUS Rating
- ASUS ROG Loki SFX-L 750W Platinum
- Platinum
- FSP Dagger Pro SFX 850W
- Gold
Model Number
- ASUS ROG Loki SFX-L 750W Platinum
- ROG-LOKI-750P-SFX-L-GAMING
- FSP Dagger Pro SFX 850W
- Dagger Pro 850W
ATX Standard
- ASUS ROG Loki SFX-L 750W Platinum
- ATX 3.0
- FSP Dagger Pro SFX 850W
- ATX 3.1
Form Factor
- ASUS ROG Loki SFX-L 750W Platinum
- SFX-L
- FSP Dagger Pro SFX 850W
- SFX
+12V Rail Amperage
- ASUS ROG Loki SFX-L 750W Platinum
- 62.5 A
- FSP Dagger Pro SFX 850W
- 70.83 A
Single +12V Rail
- ASUS ROG Loki SFX-L 750W Platinum
- Yes
- FSP Dagger Pro SFX 850W
- Yes
Cybenetics Efficiency
- ASUS ROG Loki SFX-L 750W Platinum
- Platinum
- FSP Dagger Pro SFX 850W
- Gold
Cybenetics Noise
- ASUS ROG Loki SFX-L 750W Platinum
- A+
- FSP Dagger Pro SFX 850W
- A-
12V-2x6 Connectors
- ASUS ROG Loki SFX-L 750W Platinum
- 1
- FSP Dagger Pro SFX 850W
- 1
Zero-RPM Mode
- ASUS ROG Loki SFX-L 750W Platinum
- Yes
- FSP Dagger Pro SFX 850W
- Yes
PCIe 8-pin Connectors
- ASUS ROG Loki SFX-L 750W Platinum
- 3-25%
- FSP Dagger Pro SFX 850W
- 4
Connector Count
- ASUS ROG Loki SFX-L 750W Platinum
- 1x 24/20-pin ATX, 2x EPS 4+4-pin, 1x PCIe 16-pin, 3x PCIe 8-pin, 6x SATA, 4x Peripheral
- FSP Dagger Pro SFX 850W
- 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6, 4x PCIe 6+2-pin, 6x SATA, 2x Molex
Fan Size
- ASUS ROG Loki SFX-L 750W Platinum
- 120 mm
- FSP Dagger Pro SFX 850W
- 92 mm
Fan Model / Bearing
- ASUS ROG Loki SFX-L 750W Platinum
- 120mm double ball bearing (CF1225H12D)
- FSP Dagger Pro SFX 850W
- 92mm ball bearing
OEM / Platform
- ASUS ROG Loki SFX-L 750W Platinum
- Great Wall
- FSP Dagger Pro SFX 850W
- FSP
EPS 8-pin Connectors
- ASUS ROG Loki SFX-L 750W Platinum
- 2
- FSP Dagger Pro SFX 850W
- 2
SATA Connectors
- ASUS ROG Loki SFX-L 750W Platinum
- 6
- FSP Dagger Pro SFX 850W
- 6
Molex Connectors
- ASUS ROG Loki SFX-L 750W Platinum
- 4
- FSP Dagger Pro SFX 850W
- 2
Cable Lengths
- ASUS ROG Loki SFX-L 750W Platinum
- MB 450mm, CPU 550mm, PCIe 450mm, 16-pin 460mm, SATA 300+190+90mm, Peripheral 300+100+100+100mm
- FSP Dagger Pro SFX 850W
- 24-pin 450mm, EPS 450mm, PCIe 450mm, SATA 450-600mm
Length
- ASUS ROG Loki SFX-L 750W Platinum
- 125 x 125 x 63.5 mm
- FSP Dagger Pro SFX 850W
- 100 mm
Fan Bearing
- ASUS ROG Loki SFX-L 750W Platinum
- Ball
- FSP Dagger Pro SFX 850W
- Ball
MTBF
- ASUS ROG Loki SFX-L 750W Platinum
- 120000 hours
- FSP Dagger Pro SFX 850W
- 100000 hours-17%
Modularity
- ASUS ROG Loki SFX-L 750W Platinum
- Fully Modular
- FSP Dagger Pro SFX 850W
- Fully Modular
Protections
- ASUS ROG Loki SFX-L 750W Platinum
- OPP, OVP, UVP, SCP, OCP, OTP
- FSP Dagger Pro SFX 850W
- OCP, OVP, SCP, OPP, OTP
Price
- ASUS ROG Loki SFX-L 750W Platinum
- 170 USD
- FSP Dagger Pro SFX 850W
- 159.99 USD
Warranty
- ASUS ROG Loki SFX-L 750W Platinum
- 10 years
- FSP Dagger Pro SFX 850W
- 10 years
Which one should you pick?
Choose ASUS ROG Loki SFX-L 750W Platinum if you want the higher 12V-2x6 connectors (1 vs 1), the higher MTBF (120000 hours vs 100000 hours) and the higher warranty (10 years vs 10 years).
Choose FSP Dagger Pro SFX 850W if you want the higher wattage (850 W vs 750 W) and the higher PCIe 8-pin connectors (4 vs 3).
Price comparison
| Retailer | ASUS ROG Loki SFX-L 750W Platinum | FSP Dagger Pro SFX 850W |
|---|---|---|
| Amazon | $170.00 View on Amazon | $159.99 View on Amazon |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
FSP Dagger Pro SFX 850W
8.3 / 10 Expert Rating
One of the few 850W SFX-L units with native ATX 3.0 support, ideal for high-end small-form-factor builds.




