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ASUS ROG Loki SFX-L 1000W Platinum vs FSP Dagger Pro SFX 850W: Comparison
ASUS ROG Loki SFX-L 1000W Platinum vs FSP Dagger Pro SFX 850W: the wattage difference
The gap that matters here is wattage: ASUS ROG Loki SFX-L 1000W Platinum 1000 W against FSP Dagger Pro SFX 850W 850 W, which puts ASUS ROG Loki SFX-L 1000W Platinum 15% ahead. FSP Dagger Pro SFX 850W also leads on pcie 8-pin connectors, 3 on the ASUS ROG Loki SFX-L 1000W Platinum versus 4 on the FSP Dagger Pro SFX 850W. Add mtbf to that, 120000 hours on the ASUS ROG Loki SFX-L 1000W Platinum versus 100000 hours on the FSP Dagger Pro SFX 850W, and the pattern holds.
ASUS ROG Loki SFX-L 1000W Platinum vs FSP Dagger Pro SFX 850W: which one fits your build
The ASUS ROG Loki SFX-L 1000W Platinum is the one to take for high-end single-GPU gaming builds (RTX 4080/4090-class cards) and builders who want Platinum-tier efficiency with future GPU upgrade headroom, though it is the wrong buy for budget builds where a 550-650W unit would be sufficient and extreme dual-GPU or workstation rigs needing 1200W+. The FSP Dagger Pro SFX 850W suits 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.
Where the two are identical
Where they agree, they agree completely, modularity, warranty, atx standard, single +12v rail and pcie cem standard included, so the decision does not turn on any of those. They match on 8 further specifications as well.
Which is cheaper, ASUS ROG Loki SFX-L 1000W Platinum or FSP Dagger Pro SFX 850W?
Cost splits them too. FSP Dagger Pro SFX 850W sits at $160, ASUS ROG Loki SFX-L 1000W Platinum at $240, 50% more.
Frequently asked questions
Do the ASUS ROG Loki SFX-L 1000W Platinum and FSP Dagger Pro SFX 850W differ on fan size?
Yes. Fan Size reads 120 mm on the ASUS ROG Loki SFX-L 1000W Platinum versus 92 mm on the FSP Dagger Pro SFX 850W.
Is the 12V-2x6 Connectors the same on the ASUS ROG Loki SFX-L 1000W Platinum and FSP Dagger Pro SFX 850W?
It is. Both are listed at 1, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- ASUS ROG Loki SFX-L 1000W Platinum
- ASUS
- FSP Dagger Pro SFX 850W
- FSP
Wattage
- ASUS ROG Loki SFX-L 1000W Platinum
- 1000 WBest
- FSP Dagger Pro SFX 850W
- 850 W-15%
80 PLUS Rating
- ASUS ROG Loki SFX-L 1000W Platinum
- Platinum
- FSP Dagger Pro SFX 850W
- Gold
Model Number
- ASUS ROG Loki SFX-L 1000W Platinum
- ROG-LOKI-1000P-SFX-L-GAMING
- FSP Dagger Pro SFX 850W
- Dagger Pro 850W
ATX Standard
- ASUS ROG Loki SFX-L 1000W Platinum
- ATX 3.1
- FSP Dagger Pro SFX 850W
- ATX 3.1
Form Factor
- ASUS ROG Loki SFX-L 1000W Platinum
- SFX-L
- FSP Dagger Pro SFX 850W
- SFX
+12V Rail Amperage
- ASUS ROG Loki SFX-L 1000W Platinum
- 83.3 A
- FSP Dagger Pro SFX 850W
- 70.83 A
Single +12V Rail
- ASUS ROG Loki SFX-L 1000W Platinum
- Yes
- FSP Dagger Pro SFX 850W
- Yes
Cybenetics Efficiency
- ASUS ROG Loki SFX-L 1000W Platinum
- Platinum
- FSP Dagger Pro SFX 850W
- Gold
Cybenetics Noise
- ASUS ROG Loki SFX-L 1000W Platinum
- A
- FSP Dagger Pro SFX 850W
- A-
PCIe CEM Standard
- ASUS ROG Loki SFX-L 1000W Platinum
- PCIe 5.1
- FSP Dagger Pro SFX 850W
- PCIe 5.1
12V-2x6 Connectors
- ASUS ROG Loki SFX-L 1000W Platinum
- 1
- FSP Dagger Pro SFX 850W
- 1
Zero-RPM Mode
- ASUS ROG Loki SFX-L 1000W Platinum
- Yes
- FSP Dagger Pro SFX 850W
- Yes
Sleeved Cables
- ASUS ROG Loki SFX-L 1000W Platinum
- No
- FSP Dagger Pro SFX 850W
- No
PCIe 8-pin Connectors
- ASUS ROG Loki SFX-L 1000W Platinum
- 3-25%
- FSP Dagger Pro SFX 850W
- 4
Connector Count
- ASUS ROG Loki SFX-L 1000W Platinum
- 1x 24-pin ATX, 2x EPS 4+4, 1x 16-pin PCIe 5.1, 3x PCIe 6+2-pin, 6x SATA, 4x Molex
- 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 1000W Platinum
- 120 mm
- FSP Dagger Pro SFX 850W
- 92 mm
Fan Model / Bearing
- ASUS ROG Loki SFX-L 1000W Platinum
- 120mm double ball bearing (CF1225H12D)
- FSP Dagger Pro SFX 850W
- 92mm ball bearing
OEM / Platform
- ASUS ROG Loki SFX-L 1000W Platinum
- Great Wall
- FSP Dagger Pro SFX 850W
- FSP
Japanese Capacitors
- ASUS ROG Loki SFX-L 1000W Platinum
- Yes
- FSP Dagger Pro SFX 850W
- Yes
EPS 8-pin Connectors
- ASUS ROG Loki SFX-L 1000W Platinum
- 2
- FSP Dagger Pro SFX 850W
- 2
SATA Connectors
- ASUS ROG Loki SFX-L 1000W Platinum
- 6
- FSP Dagger Pro SFX 850W
- 6
Molex Connectors
- ASUS ROG Loki SFX-L 1000W Platinum
- 4
- FSP Dagger Pro SFX 850W
- 2
Cable Lengths
- ASUS ROG Loki SFX-L 1000W Platinum
- 24-pin 450mm, EPS 550mm, 16-pin 450mm, PCIe 450mm, SATA 300+190+90mm, Molex 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 1000W Platinum
- 125 mm
- FSP Dagger Pro SFX 850W
- 100 mm
Colour
- ASUS ROG Loki SFX-L 1000W Platinum
- Black
- FSP Dagger Pro SFX 850W
- Black
Fan Bearing
- ASUS ROG Loki SFX-L 1000W Platinum
- Ball
- FSP Dagger Pro SFX 850W
- Ball
MTBF
- ASUS ROG Loki SFX-L 1000W Platinum
- 120000 hours
- FSP Dagger Pro SFX 850W
- 100000 hours-17%
Modularity
- ASUS ROG Loki SFX-L 1000W Platinum
- Fully Modular
- FSP Dagger Pro SFX 850W
- Fully Modular
Protections
- ASUS ROG Loki SFX-L 1000W Platinum
- OPP, OVP, UVP, SCP, OCP, OTP
- FSP Dagger Pro SFX 850W
- OCP, OVP, SCP, OPP, OTP
Price
- ASUS ROG Loki SFX-L 1000W Platinum
- 239.99 USD
- FSP Dagger Pro SFX 850W
- 159.99 USD
Warranty
- ASUS ROG Loki SFX-L 1000W Platinum
- 10 years
- FSP Dagger Pro SFX 850W
- 10 years
Which one should you pick?
Choose ASUS ROG Loki SFX-L 1000W Platinum if you want the higher wattage (1000 W vs 850 W), the higher 12V-2x6 connectors (1 vs 1) and the higher MTBF (120000 hours vs 100000 hours).
Choose FSP Dagger Pro SFX 850W if you want the higher PCIe 8-pin connectors (4 vs 3).
Price comparison
| Retailer | ASUS ROG Loki SFX-L 1000W Platinum | FSP Dagger Pro SFX 850W |
|---|---|---|
| Amazon | $239.99 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
ASUS ROG Loki SFX-L 1000W Platinum
8.7 / 10 Expert Rating
The 1000W Loki SFX-L is the halo SKU of ASUS's small-form-factor line, aimed at ITX builders who want to run a flagship GPU without moving up to a full ATX case.
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.