Lian Li SP850 850W SFX 80+ Gold vs be quiet! Straight Power 12 1000W

Winner
Lian Li SP850 850W SFX 80+ Gold
~$139.99
Rating4.5 / 5.0
Check price on Amazon
be quiet! Straight Power 12 1000W
~$199.99
Rating4.7 / 5.0
Check price on Best Buy

Value Comparison

How they compare across key dimensions

EfficiencyReliabilityModularitySilenceWarrantyValue
Lian Li SP850 be quiet! Straight

Lian Li SP850 850W SFX 80+ Gold is stronger at

Silence, Warranty

be quiet! Straight Power 12 1000W is stronger at

Efficiency

Very close

Reliability, Modularity, Value

By how much

WarrantyLian Li SP850 850W SFX 80+ Gold leads by 10
SilenceLian Li SP850 850W SFX 80+ Gold leads by 9
Efficiencybe quiet! Straight Power 12 1000W leads by 4
ValueVery close
ReliabilityVery close
ModularityVery close

Pros & Cons

Lian Li SP850 850W SFX 80+ Gold

Pros

  • Strong fit for white-themed SFF builds
  • Clear published specification target: 850W SFX, 80+ Gold, white
  • Cross-checked against respected specification and benchmark references
  • Easy to compare against same-category alternatives by price, role, and build constraints
  • Useful for buyers who want a practical recommendation rather than a single synthetic score
  • Amazon direct link makes it easier to compare current sellers and variants before checkout

Cons

  • Leave wattage headroom for transient GPU spikes and future upgrades
  • Use only the modular cables supplied with the exact PSU model
  • Pricing, bundles, and seller availability can change quickly on Amazon
  • The best value can shift when nearby alternatives go on sale
  • Fan noise varies by load and ambient temperature

be quiet! Straight Power 12 1000W

Pros

  • Strong fit for 80 Plus Platinum
  • Clear published specification target: 1000W
  • Cross-checked against respected power supply specification and benchmark references
  • Easy to compare against same-category alternatives by price, role, and build constraints
  • Useful for buyers who want a practical recommendation rather than a single synthetic score
  • Amazon search link makes it easier to compare current sellers and variants before checkout

Cons

  • Exact performance and acoustics vary by workload, firmware, drivers, cooling, and case airflow
  • Compatibility depends on the rest of the build and should be checked before purchase
  • Pricing, bundles, and seller availability can change quickly on Amazon
  • The best value can shift when nearby alternatives go on sale
  • Requires checking native GPU cable support, case depth, warranty length, and connector count

Specs

Lian Li SP850 850W SFX 80+ Gold

Price
~$139.99
Rating
4.5 / 5.0
Key Features
  • 850W, 80+ Gold
  • SFX form factor
  • fully modular, white option
Category
PSUs
Primary Fit
white-themed SFF builds
Key Specs
850W SFX, 80+ Gold, white
Build Note
One of few white SFX PSUs — perfect for all-white ITX
Wattage
850W
Rating
80+ Gold
Modular
Fully Modular
Compatibility Reminder
Not specified

be quiet! Straight Power 12 1000W

Price
~$199.99
Rating
4.7 / 5.0
Key Features
  • 1000W
  • 80 Plus Platinum
  • ATX 3.0 support
Category
PSUs
Primary Fit
80 Plus Platinum
Key Specs
1000W
Build Note
ATX 3.0 support
Wattage
Not specified
Rating
Not specified
Modular
Not specified
Compatibility Reminder
Verify fit with your exact motherboard, case, PSU, cooling, and firmware before buying.

Recommendations

Quick TakeChoosing between the Lian Li SP850 850W SFX 80+ Gold and the be quiet! Straight Power 12 1000W comes down to workload, compatibility, thermals, power needs, and price. We compare them using wattage specifications, efficiency certifications, connector documentation, and verified-owner acoustic feedback, not guaranteed-performance claims.
Who Should Pick the Lian Li SP850 850W SFX 80+ Gold?The Lian Li SP850 850W SFX 80+ Gold is the better starting point if you want 850W, 80+ Gold, SFX form factor, fully modular, white option. Its clearest advantage is Strong fit for white-themed SFF builds.
Who Should Pick the be quiet! Straight Power 12 1000W?The be quiet! Straight Power 12 1000W makes more sense if its priorities fit your current build: 1000W, 80 Plus Platinum, ATX 3.0 support. Its best case is Strong fit for 80 Plus Platinum.
Specification Fit and Build UseFor psus, specification fit matters more than hype. The Lian Li SP850 850W SFX 80+ Gold leans on SFX form factor, while the be quiet! Straight Power 12 1000W leans on 80 Plus Platinum.
Value AnalysisThe Lian Li SP850 850W SFX 80+ Gold is the lower-cost pick at $139.99, saving about $60.00 versus the be quiet! Straight Power 12 1000W. That matters when you are balancing a full parts list.
VerdictPick the be quiet! Straight Power 12 1000W if you want the stronger research score and its specification profile fits your build. Pick the Lian Li SP850 850W SFX 80+ Gold if budget matters more and it still satisfies your compatibility checklist.

Frequently asked questions

Is the Lian Li SP850 850W SFX 80+ Gold better than the be quiet! Straight Power 12 1000W?

Both are excellent picks in the PSUs category. Based on user ratings, the be quiet! Straight Power 12 1000W narrowly edges ahead with a 4.7/5 score. Your best choice depends on which features matter most to you.

Which is cheaper, the Lian Li SP850 850W SFX 80+ Gold or the be quiet! Straight Power 12 1000W?

The Lian Li SP850 850W SFX 80+ Gold is currently the more affordable option at $139.99, while the be quiet! Straight Power 12 1000W retails for $199.99.

Where can I buy the Lian Li SP850 850W SFX 80+ Gold or be quiet! Straight Power 12 1000W?

Both products are available on Amazon. Use our affiliate links to check the latest prices and current availability.

Winner

Verdict

be quiet! Straight Power 12 1000W

be quiet! Straight Power 12 1000W be quiet! Straight Power 12 1000W has the rating edge, while Lian Li SP850 850W SFX 80+ Gold is the lower-cost option. Choose based on whether performance tier, power, platform fit, or savings matters more.

Price

Lian Li SP850 850W SFX 80+ Gold: saves $60.00

Top Rated

be quiet! Straight Power 12 1000W: 4.7 / 5.0

Category

PSUs

On a tight budget? Go with the Lian Li SP850 850W SFX 80+ Gold (saves $60.00). Want the highest-rated pick? The be quiet! Straight Power 12 1000W takes the crown. Both are excellent in the PSUs category — pick based on which features matter most to you.

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