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SilverStone SX750-G (SST-SX750-G)

Model-specific catalog entry for manufacturer identifier SST-SX750-G. Verify the entire printed model, suffix, hardware revision and region on the physical unit before selecting or servicing it.

Original local block schematic for SilverStone SX750-G (SST-SX750-G); not a service circuit or connector pinout
ORIGINAL LOCAL ART // NOT TO SCALE // NOT A PINOUT

HIGH-VOLTAGE SAFETY: Disconnect mains before external inspection. Never open or probe a PSU; dangerous voltage can remain after unplugging. Replace damaged, wet, burned, modified or unidentified units as complete assemblies or use qualified service.

Model-specific input, output & fit

Manufacturer model / SKUSilverStone SX750-G (SST-SX750-G); SST-SX750-G. Regional suffix or revision must match the physical label.
Form factor / efficiency / generationSFX; 80 PLUS Gold; SFX12V form factor; legacy ATX12V-family interface (not an SFX-L unit). Form factor is not proof of electrical compatibility.
AC input100–240 V AC, 47–63 Hz; current depends on voltage/load and exact regional label.
Maximum DC output750 W total continuous-output class as published by the manufacturer. A total wattage rating does not replace per-rail/combined limits or label verification.
DC output rails
Rail / groupMaximum current / ratingCombined ceiling
+3.3 V25 A130 W combined with +5 V
+5 V25 A130 W combined with +3.3 V
+12 V62.5 A750 W
−12 V0.3 A3.6 W
+5 VSB3 A15 W
Output connectors / cablesFully modular: 20+4-pin ATX ×1; EPS/ATX12V 4+4-pin ×2; PCIe 6+2-pin ×4; SATA ×8; peripheral 4-pin ×3; floppy ×1 (adapter/cable bundle per product specification). Check PSU label and SKU-specific box contents.
Mechanical envelope125 × 100 × 63.5 mm (width × depth × height; SFX). Confirm screw points, inlet/fan orientation, airflow, clearance and tolerance against the case drawing; do not force-fit.
Protection / limitsOver-current, over-voltage, under-voltage, over-power, short-circuit and thermal protections are model/revision specific. Use the correct manual; do not test protections or probe inside the unit.

Electrical compatibility & safe installation

  • This is an SFX 750-G, not the similarly named SX750-PT (SFX-L). Confirm the chassis SFX opening, no interference with the fan/intake, motherboard and GPU connector needs and total load. Use the exact SilverStone cable set; do not mix modular leads by brand or plug shape.
  • Confirm the AC mains supply is within the PSU input range and the region’s plug/cord/circuit requirements. Stop if the nameplate differs from this reference.
  • Check ATX motherboard, EPS CPU and GPU requirements, individual/combined rail ratings, total demand, transient excursions, thermal environment and case mounting separately; connector shape or nominal wattage alone does not establish suitability.
  • PSU-side modular pinouts are not standardized. Never transfer, splice, repin or adapt detachable cables unless the manufacturer explicitly approves the exact cable for this exact model and revision.
  • When using a high-current 16-pin GPU cable, follow PSU and GPU manufacturer seating, bend-radius, clearance and load guidance. Do not energize a connector that is loose, visibly damaged, overheated or under side pressure.
  • Do not open, repair, or electrically probe the PSU. Isolate power and replace a suspect unit; qualified technicians must follow the correct model-specific procedure.

Revision and sourcing notes

This entry describes only the listed SKU/model family. Manufacturers may change bundles, electrical tables, regional input ratings or cable generations without changing the marketing name. Verify the exact unit label and matching documentation; if any rating or connector count differs, use that exact manual/nameplate and do not install by assumption.

Published ratings describe a new compliant product, not the condition or remaining life of a used unit.

Manufacturer sources & standards

  1. SilverStone official product pageManufacturer product identity, nominal power, form factor and model-specific features. Match the printed SKU/revision on the unit.
  2. SilverStone official specifications / documentationManufacturer source for the electrical ratings, connector bundle, dimensions and installation constraints; open the edition matching the exact model and market.
  3. SilverStone further official referenceAdditional manufacturer source or technical guidance. If a referenced document is a product-specific manual, its instructions and unit label govern.
  4. Intel ATX desktop PSU design guideCompatibility context for standard ATX-family systems only; this document does not validate a specific cable pinout or proprietary interface.

Standards references apply only to the interface they cover. Model-specific manufacturer manual and unit label control installation; this reference is not a service procedure, certification, or pinout.