SilverStone

Silverstone SX800-LTI V1.2, 80 Plus Titanium 800W Fully Modular SFX-L Power Supply, SST-SX800-LTI-X

Name: Silverstone SX800-LTI V1.2, 80 Plus Titanium 800W Fully Modular SFX-L Power Supply, SST-SX800-LTI-X
Brand: SilverStone
SKU: B0919Z8VVC
Price: 159.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$159.99

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View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The Silverstone SX800-LTI V1.2, 80 Plus Titanium 800W Fully Modular SFX-L Power Supply, SST-SX800-LTI-X is a niche pick — read recent reviews before buying in the power supplies category, priced around $159.99. Compare close alternatives before committing.

Since its launch in 2015, the SFX-L form factor has garnered popular recognition and support among enthusiasts with its larger 120mm fan able to achieve better balance of power and quietness in small form factor PCs than what was possible with standard SFX. And as a leader in power supply miniaturization, SilverStone has continued its efforts in advancing the SFX-L forward to reach ever higher limit. The SX800-LTI not only has unprecedented 800 watts of power output but also has the highest level of 80 PLUS efficiency with a Titanium rating. It includes all features available from top of the…

SpecPicks Verdict

SpecPicks scored Silverstone SX800-LTI V1.2, 80 Plus Titanium 800W Fully Modular… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. SilverStone's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ SFX-L form factor for use in small form factor computers
✓ Backed by SilverStone's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

SFX-L form factor for use in small form factor computers
1000W continuous power output rated for 24/7 operation
Class-leading single +12V rail with 66A and dual EPS 8pin connectors
Silent running 121mm dual ball bearing fan with advanced semi-fanless operation
High quality construction with all Japanese capacitors

Full Specifications

Brand	SilverStone
Wattage	800 watts
Fan Size	120 Millimeters
Model Name	SX800-LTI
Form Factor	SFX
Model Number	SST-SX800-LTI-X
Connector Type	EPS
Cooling Method	Air
Number of Fans	1
Output Wattage	800 Watts
Item Dimensions	5.12 x 4.92 x 2.5 inches
Mfr Part Number	SST-SX800-LTI-X
Compatible Devices	Desktop computer
Power Supply Design	Full Modular
Warranty Description	5 year limited manufacturer
Maximum Input Voltage	240 Volts (AC)
Minimum Input Voltage	100 Volts
Item dimensions L x W x H	5.12 x 4.92 x 2.5 inches
System Bus Connector Type	8 Pin
Connector Type Used on Cable	EPS

Ready to buy?

Silverstone SX800-LTI V1.2, 80 Plus Titanium 800W Fully Modular SFX-L Power Supply, SST-SX800-LTI-X is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.